KINGDOM PLANTAE

question_answer1) Which group dominates land at present

A) Bryophyta

B) Pteridophyta

C) Gymnosperms

D) Angiosperms

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question_answer2) Which of the following features would distinguish a monocot from a dicot plant

A) Aestivation

B) Vernation

C) Phyllotaxy

D) Venation

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question_answer3) Which one of the following is a saprophyte

A) Viscum

B) Balanophora

C) Monotropa

D) Loranthus

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question_answer4) Heterotropic nutrition is found in [CPMT 1985]

A) Opuntia

B) Drosera

C) Vallisnaria

D) Pistia

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question_answer5) Tap roots are commonly found in [CPMT 1985]

A) Gymnosperms

B) Angiosperms

C) Dicots

D) Monocots

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question_answer6) Triploid condition is only present in

A) Bryophytes

B) Pteridophytes

C) Gymnosperms

D) Angiosperms

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question_answer7) Haustoria are found in [NCERT 1978]

A) Symbionts

B) Parasites

C) Saprophytes

D) All the above

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question_answer8) We can demarcate a facultative parasite as one which [CPMT 1973, 80, 81, 84; MP PMT 1984]

A) Inevitably requires living host

B) Only requires dead organic matter to live

C) Is actually a parasite but can also become saprophyte

D) Is actually a saprophyte but can also become a parasite

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question_answer9) An angiosperm is different from a gymnosperm in the absense of [CPMT 1992]

A) Vascular tissue

B) Ovary

C) Seed

D) Naked ovule

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question_answer10) Which of the following is considered as more evolved [CPMT 1992]

A) Dicot plant

B) Monocot plant

C) Data are incomplete

D) Both (a) and (b)

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question_answer11) Angiosperms and gymnosperms resemble in having

A) Vessels in wood

B) Mode of fertilization

C) Siphonogamy

D) Nature of endosperm

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question_answer12) Cuscuta is a [CPMT 1994, 2003]

A) Total stem parasite

B) Partial root parasite

C) Saprophyte

D) Partial saprophyte

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question_answer13) Largest flower Rafflesia is [BHU 1983; RPMT 1995; CPMT 1998]

A) Total stem parasite

B) Total root parasite

C) Partial stem parasite

D) Partial root parasite

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question_answer14) Angiosperm contains [AFMC 1996]

A) Trachieds

B) Vessels

C) Both (a) and (b)

D) None of these

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question_answer15) Insectivorous plants are

A) Heterotrophic

B) Saprophytic

C) Parasitic

D) Autotrophic

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question_answer16) Angiosperm, to which the largest flowers belong, is [CBSE PMT 1999]

A) Total stem parasite

B) Partial stem parasite

C) Total root parasite

D) Partial root parasite

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question_answer17) A pair of insectivorous plants is [CBSE PMT 1999]

A) Drosera and Rafflesia

B) Nepenthes and bladder wart

C) Dionaea and Viscum

D) Venus fly trap and Rafflesia

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question_answer18) The plant which bears clinging roots are [CBSE PMT 1999]

A) Trapa

B) Orchid

C) Screw pine

D) Podostemon

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question_answer19) In which of the following secondary growth takes place [MP PMT 2001]

A) Riccia

B) Funaria

C) Selaginella

D) None of these

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question_answer20) An angiosperm differs from a gymnosperm by possessing [MHCET 2002]

A) Ovule

B) Xylem vessels

C) Xylem tracheids

D) Seed

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question_answer21) Which of the following is a saprophytic angiosperm [MHCET 2001]

A) Cuscuta

B) Neottia

C) Agaricus

D) Mango

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question_answer22) Plants lacking corolla are placed under [MHCET 2001]

A) Monochlamydae

B) Gamopetale

C) Polychlamydae

D) Polypetalae

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question_answer23) Which of the following is/are grouped under phanerogams [BHU 2004]

A) Angiosperms

B) Gymnosperms

C) Pteridophytes

D) Both (a) and (b)

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question_answer24) The stele found in monocot is [DPMT 2004]

A) Haplostele

B) Atactostele

C) Dictyostele

D) Actinostele

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question_answer25) Vessels and Companion cells are characteristics of [BCECE 2005]

A) Angiosperm

B) Gymnosperm

C) Pteridophyta

D) Fern

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question_answer26) Which of the following contain xylem vessel [Haryana PMT 2005; MP PMT 2005]

A) Bryophyte

B) Pteridophyta

C) Bryophyta

D) Angiosperm

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question_answer27) Seed are found in [MP PMT 2005]

A) Angiosperm

B) Bryophyta

C) Pteridophyta

D) Algae

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question_answer28) Which is not a monocot [BHU 2005]

A) Rose

B) Orchids

C) Palms

D) Banana

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question_answer29) Which of the following is the tallest tree of the world [HP PMT 2005]

A) Eucalyptus regnans

B) Sequoia sempervirens

C) Pinus logifolia

D) Pinus roxburgii

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ASSERTION AND REASON QUESTIONS

question_answer1) Read the assertion and reason carefully to mark the correct option out of the options given below: Assertion : Heterotrichous filaments are more advanced than branched filaments. Reason : Heterotrichous filaments have prostrate and projecting system.

A) If both the assertion and the reason are true and the reason is a correct explanation of the assertion

B) If both the assertion and reason are true but the reason is not a correct explanation of the assertion

C) If the assertion is true but the reason is false

D) If both the assertion and reason are false

E) If the assertion is false but reason is true

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question_answer2) Assertion : Bryophytes and tracheophytes have an embryo stage in their life cycle. Reason : Embryophyta are terrestrial plants.

A) If both the assertion and the reason are true and the reason is a correct explanation of the assertion

B) If both the assertion and reason are true but the reason is not a correct explanation of the assertion

C) If the assertion is true but the reason is false

D) If both the assertion and reason are false

E) If the assertion is false but reason is true

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question_answer3) Assertion : Algae is a collective term for all those chlorophyll bearing organisms which are thalloid. Reason : Presently algae are grouped in three kingdom.

A) If both the assertion and the reason are true and the reason is a correct explanation of the assertion

B) If both the assertion and reason are true but the reason is not a correct explanation of the assertion

C) If the assertion is true but the reason is false

D) If both the assertion and reason are false

E) If the assertion is false but reason is true

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question_answer4) Assertion : Algae and fungi are grouped in thallophyta. Reason : Algae and fungi show no differentiation in thallus.

A) If both the assertion and the reason are true and the reason is a correct explanation of the assertion

B) If both the assertion and reason are true but the reason is not a correct explanation of the assertion

C) If the assertion is true but the reason is false

D) If both the assertion and reason are false

E) If the assertion is false but reason is true

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question_answer5) Assertion : Each group of algae has a characteristic colour. Reason : Each group of algae show predominance of one pigment.

A) If both the assertion and the reason are true and the reason is a correct explanation of the assertion

B) If both the assertion and reason are true but the reason is not a correct explanation of the assertion

C) If the assertion is true but the reason is false

D) If both the assertion and reason are false

E) If the assertion is false but reason is true

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question_answer6) Assertion : Only red algae are able to flourish at the great depth of sea. Reason : Red algae has the pigments r-phycoerythrin and r-phycocyanin.

A) If both the assertion and the reason are true and the reason is a correct explanation of the assertion

B) If both the assertion and reason are true but the reason is not a correct explanation of the assertion

C) If the assertion is true but the reason is false

D) If both the assertion and reason are false

E) If the assertion is false but reason is true

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question_answer7) Assertion : Spermatangium of red algae bears trichogyne. Reason : Trichogyne helps in reproduction.

A) If both the assertion and the reason are true and the reason is a correct explanation of the assertion

B) If both the assertion and reason are true but the reason is not a correct explanation of the assertion

C) If the assertion is true but the reason is false

D) If both the assertion and reason are false

E) If the assertion is false but reason is true

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question_answer8) Assertion : Spirogyra is slippery in touch. Reason : Spirogyra consists a gelatinous sheath.

A) If both the assertion and the reason are true and the reason is a correct explanation of the assertion

B) If both the assertion and reason are true but the reason is not a correct explanation of the assertion

C) If the assertion is true but the reason is false

D) If both the assertion and reason are false

E) If the assertion is false but reason is true

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question_answer9) Assertion : Isogamy is a primitive type of sexual reproduction. Reason : The gametes are of different sizes.

A) If both the assertion and the reason are true and the reason is a correct explanation of the assertion

B) If both the assertion and reason are true but the reason is not a correct explanation of the assertion

C) If the assertion is true but the reason is false

D) If both the assertion and reason are false

E) If the assertion is false but reason is true

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question_answer10) Assertion : Spirogyra shows anisogamy. Reason : Gametes are identified on the basis of their motility.

A) If both the assertion and the reason are true and the reason is a correct explanation of the assertion

B) If both the assertion and reason are true but the reason is not a correct explanation of the assertion

C) If the assertion is true but the reason is false

D) If both the assertion and reason are false

E) If the assertion is false but reason is true

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question_answer11) Assertion : Meiospores form genetically and functionally different progenies. Reason : Mitospores form progenies identical to parents.

A) If both the assertion and the reason are true and the reason is a correct explanation of the assertion

B) If both the assertion and reason are true but the reason is not a correct explanation of the assertion

C) If the assertion is true but the reason is false

D) If both the assertion and reason are false

E) If the assertion is false but reason is true

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question_answer12) Assertion : Pyrenoids are utilised during starvation. Reason : Pyrenoids are proteinaceous bodies.

A) If both the assertion and the reason are true and the reason is a correct explanation of the assertion

B) If both the assertion and reason are true but the reason is not a correct explanation of the assertion

C) If the assertion is true but the reason is false

D) If both the assertion and reason are false

E) If the assertion is false but reason is true

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question_answer13) Assertion : In green algae, the eye-spot is present in the cell. Reason : Eye-spot is meant for respiration.

A) If both the assertion and the reason are true and the reason is a correct explanation of the assertion

B) If both the assertion and reason are true but the reason is not a correct explanation of the assertion

C) If the assertion is true but the reason is false

D) If both the assertion and reason are false

E) If the assertion is false but reason is true

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question_answer14) Assertion : Chlorella could be utilised to keep the air in space vehicles. Reason : The space travellers feed on Chlorella soup.

A) If both the assertion and the reason are true and the reason is a correct explanation of the assertion

B) If both the assertion and reason are true but the reason is not a correct explanation of the assertion

C) If the assertion is true but the reason is false

D) If both the assertion and reason are false

E) If the assertion is false but reason is true

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question_answer15) Assertion : All the cells Ulothrix filament are alike. Reason : Ulothrix filament is unbranched.

A) If both the assertion and the reason are true and the reason is a correct explanation of the assertion

B) If both the assertion and reason are true but the reason is not a correct explanation of the assertion

C) If the assertion is true but the reason is false

D) If both the assertion and reason are false

E) If the assertion is false but reason is true

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question_answer16) Assertion : Zygospore of Ulothrix forms meiozoospores and meioaplanospores. Reason : Both are motile.

A) If both the assertion and the reason are true and the reason is a correct explanation of the assertion

B) If both the assertion and reason are true but the reason is not a correct explanation of the assertion

C) If the assertion is true but the reason is false

D) If both the assertion and reason are false

E) If the assertion is false but reason is true

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question_answer17) Assertion : Spirogyra shows haplontic life cycle. Reason : Zygotic meiosis occurs in Spirogyra.

A) If both the assertion and the reason are true and the reason is a correct explanation of the assertion

B) If both the assertion and reason are true but the reason is not a correct explanation of the assertion

C) If the assertion is true but the reason is false

D) If both the assertion and reason are false

E) If the assertion is false but reason is true

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question_answer18) Assertion : Red algae contribute in producing coral reef. Reason : Some red algae secrete and deposit calcium carbonate our their walls. [AIIMS 2004]

A) If both the assertion and the reason are true and the reason is a correct explanation of the assertion

B) If both the assertion and reason are true but the reason is not a correct explanation of the assertion

C) If the assertion is true but the reason is false

D) If both the assertion and reason are false

E) If the assertion is false but reason is true

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question_answer19) Assertion : The sex organs in the bryophytes are jacketed. Reason : Bryophytes are land plants.

A) If both the assertion and the reason are true and the reason is a correct explanation of the assertion

B) If both the assertion and reason are true but the reason is not a correct explanation of the assertion

C) If the assertion is true but the reason is false

D) If both the assertion and reason are false

E) If the assertion is false but reason is true

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question_answer20) Assertion : All bryophytes are land dwellers. Reason : Water is necessary to complete their life-cycle.

A) If both the assertion and the reason are true and the reason is a correct explanation of the assertion

B) If both the assertion and reason are true but the reason is not a correct explanation of the assertion

C) If the assertion is true but the reason is false

D) If both the assertion and reason are false

E) If the assertion is false but reason is true

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question_answer21) Assertion : The bryophytes exist in two phases - gametophyte and sporophyte. Reason  : The sporophyte is nutritionally independent.

A) If both the assertion and the reason are true and the reason is a correct explanation of the assertion

B) If both the assertion and reason are true but the reason is not a correct explanation of the assertion 

C) If the assertion is true but the reason is false

D) If both the assertion and reason are false

E) If the assertion is false but reason is true

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question_answer22) Assertion : Unlike thallophytes, bryophytes show formation of embryo. Reason : The embryo gives rise to gametophyte plant of bryophytes.

A) If both the assertion and the reason are true and the reason is a correct explanation of the assertion

B) If both the assertion and reason are true but the reason is not a correct explanation of the assertion

C) If the assertion is true but the reason is false

D) If both the assertion and reason are false

E) If the assertion is false but reason is true

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question_answer23) Assertion : Bryophytes possess archegonium as a female sex organ. Reason : Algae also possess the archegonium.

A) If both the assertion and the reason are true and the reason is a correct explanation of the assertion

B) If both the assertion and reason are true but the reason is not a correct explanation of the assertion

C) If the assertion is true but the reason is false

D) If both the assertion and reason are false

E) If the assertion is false but reason is true

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question_answer24) Assertion : The embryo of bryophyte is independent. Reason : The zygote of thallophyte is dependent.

A) If both the assertion and the reason are true and the reason is a correct explanation of the assertion

B) If both the assertion and reason are true but the reason is not a correct explanation of the assertion

C) If the assertion is true but the reason is false

D) If both the assertion and reason are false

E) If the assertion is false but reason is true

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question_answer25) Assertion : Liverworts fail to spread to a new locality through fragmentation. Reason : Gemmae are helpful in propagating liverworts in different locality.

A) If both the assertion and the reason are true and the reason is a correct explanation of the assertion

B) If both the assertion and reason are true but the reason is not a correct explanation of the assertion

C) If the assertion is true but the reason is false

D) If both the assertion and reason are false

E) If the assertion is false but reason is true

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question_answer26) Assertion : Riccia is many cells thick. Reason : Riccia has both assimilatory region and storage region.

A) If both the assertion and the reason are true and the reason is a correct explanation of the assertion

B) If both the assertion and reason are true but the reason is not a correct explanation of the assertion

C) If the assertion is true but the reason is false

D) If both the assertion and reason are false

E) If the assertion is false but reason is true

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question_answer27) Assertion : Sporogonium of Riccia is totally dependent on the gametophyte. Reason : Sporogonium of Marchantia is partly dependent on the gametophyte.

A) If both the assertion and the reason are true and the reason is a correct explanation of the assertion

B) If both the assertion and reason are true but the reason is not a correct explanation of the assertion

C) If the assertion is true but the reason is false

D) If both the assertion and reason are false

E) If the assertion is false but reason is true

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question_answer28) Assertion : The primary protonema of moss by death and decay of cells may break into fragments. Reason : Each fragment gives rise to leafy gametophyte.

A) If both the assertion and the reason are true and the reason is a correct explanation of the assertion

B) If both the assertion and reason are true but the reason is not a correct explanation of the assertion

C) If the assertion is true but the reason is false

D) If both the assertion and reason are false

E) If the assertion is false but reason is true

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question_answer29) Assertion : Paroicous mosses have both sex organs intermingled together. Reason : Autoicous mosses bear sex organs on different branches.

A) If both the assertion and the reason are true and the reason is a correct explanation of the assertion

B) If both the assertion and reason are true but the reason is not a correct explanation of the assertion

C) If the assertion is true but the reason is false

D) If both the assertion and reason are false

E) If the assertion is false but reason is true

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question_answer30) Assertion : Sperms of Riccia are biflagellate. Reason : Sperms show swimming nature.

A) If both the assertion and the reason are true and the reason is a correct explanation of the assertion

B) If both the assertion and reason are true but the reason is not a correct explanation of the assertion

C) If the assertion is true but the reason is false

D) If both the assertion and reason are false

E) If the assertion is false but reason is true

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question_answer31) Assertion : The sporogonium of Riccia is the simplest among the liverworts. Reason : Sporophyte consists of capsule only.

A) If both the assertion and the reason are true and the reason is a correct explanation of the assertion

B) If both the assertion and reason are true but the reason is not a correct explanation of the assertion

C) If the assertion is true but the reason is false

D) If both the assertion and reason are false

E) If the assertion is false but reason is true

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question_answer32) Assertion : The young stem of Funaria is photosynthetic. Reason : It contain hydroids.

A) If both the assertion and the reason are true and the reason is a correct explanation of the assertion

B) If both the assertion and reason are true but the reason is not a correct explanation of the assertion

C) If the assertion is true but the reason is false

D) If both the assertion and reason are false

E) If the assertion is false but reason is true

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question_answer33) Assertion : The growth of Funaria stem occurs by a single cell. Reason : It's position is apical.

A) If both the assertion and the reason are true and the reason is a correct explanation of the assertion

B) If both the assertion and reason are true but the reason is not a correct explanation of the assertion 

C) If the assertion is true but the reason is false

D) If both the assertion and reason are false

E) If the assertion is false but reason is true

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question_answer34) Assertion : Funaria multiplied vegetatively by means of bulbils. Reason : Bulbils and tubers are two different structures.

A) If both the assertion and the reason are true and the reason is a correct explanation of the assertion

B) If both the assertion and reason are true but the reason is not a correct explanation of the assertion

C) If the assertion is true but the reason is false

D) If both the assertion and reason are false

E) If the assertion is false but reason is true

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question_answer35) Assertion : Gemmae formation in Funaria occurs in favourable condition. Reason : The gemmae form on the stem and leaves.

A) If both the assertion and the reason are true and the reason is a correct explanation of the assertion

B) If both the assertion and reason are true but the reason is not a correct explanation of the assertion

C) If the assertion is true but the reason is false

D) If both the assertion and reason are false

E) If the assertion is false but reason is true

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question_answer36) Assertion : Funaria is monoecious. Reason : Cross fertilization occurs in Funaria.

A) If both the assertion and the reason are true and the reason is a correct explanation of the assertion

B) If both the assertion and reason are true but the reason is not a correct explanation of the assertion

C) If the assertion is true but the reason is false

D) If both the assertion and reason are false

E) If the assertion is false but reason is true

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question_answer37) Assertion : Antheridia of Funaria are sunk in pit. Reason : Its antheridial cluster is surrounded by perigonial leaves.

A) If both the assertion and the reason are true and the reason is a correct explanation of the assertion

B) If both the assertion and reason are true but the reason is not a correct explanation of the assertion

C) If the assertion is true but the reason is false

D) If both the assertion and reason are false

E) If the assertion is false but reason is true

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question_answer38) Assertion : The peristome is a fringe of teeth-like projections found at the mouth of the capsule. Reason : It may be of two types nematodontous and orthodontus.

A) If both the assertion and the reason are true and the reason is a correct explanation of the assertion

B) If both the assertion and reason are true but the reason is not a correct explanation of the assertion

C) If the assertion is true but the reason is false

D) If both the assertion and reason are false

E) If the assertion is false but reason is true

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question_answer39) Assertion : Paraphyses are also called perigonial leaves. Reason : They are associated with the antheridia.

A) If both the assertion and the reason are true and the reason is a correct explanation of the assertion

B) If both the assertion and reason are true but the reason is not a correct explanation of the assertion

C) If the assertion is true but the reason is false

D) If both the assertion and reason are false

E) If the assertion is false but reason is true

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question_answer40) Assertion : The archegonia of Funaria are arranged into a terminal cluster. Reason : The archegonial cluster is surrounded by perigonial leaves.

A) If both the assertion and the reason are true and the reason is a correct explanation of the assertion

B) If both the assertion and reason are true but the reason is not a correct explanation of the assertion

C) If the assertion is true but the reason is false

D) If both the assertion and reason are false

E) If the assertion is false but reason is true

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question_answer41) Assertion : Mosses are used as pollution indicators. Reason : They absorb metals.

A) If both the assertion and the reason are true and the reason is a correct explanation of the assertion

B) If both the assertion and reason are true but the reason is not a correct explanation of the assertion

C) If the assertion is true but the reason is false

D) If both the assertion and reason are false

E) If the assertion is false but reason is true

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question_answer42) Assertion : Mosses are evolved from algae. Reason : Protonema of mosses is similar to some green algae. [AIIMS 2001]

A) If both the assertion and the reason are true and the reason is a correct explanation of the assertion

B) If both the assertion and reason are true but the reason is not a correct explanation of the assertion

C) If the assertion is true but the reason is false

D) If both the assertion and reason are false

E) If the assertion is false but reason is true

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question_answer43) Assertion : The sorus of pteridium is of coenosorus type. Reason : Pteridium lacks sori.

A) If both the assertion and the reason are true and the reason is a correct explanation of the assertion

B) If both the assertion and reason are true but the reason is not a correct explanation of the assertion

C) If the assertion is true but the reason is false

D) If both the assertion and reason are false

E) If the assertion is false but reason is true

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question_answer44) Assertion : Coenosorus lacks true indusium. Reason : Indusium covers sori.

A) If both the assertion and the reason are true and the reason is a correct explanation of the assertion

B) If both the assertion and reason are true but the reason is not a correct explanation of the assertion

C) If the assertion is true but the reason is false

D) If both the assertion and reason are false

E) If the assertion is false but reason is true

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question_answer45) Assertion : Ramenta are scales which cover young rhizome and leaves of Dryopteris. Reason : Pteridium lacks rementa.

A) If both the assertion and the reason are true and the reason is a correct explanation of the assertion

B) If both the assertion and reason are true but the reason is not a correct explanation of the assertion

C) If the assertion is true but the reason is false

D) If both the assertion and reason are false

E) If the assertion is false but reason is true

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question_answer46) Assertion : Indusium dries in mature sours and releases sporangia. Reason : Mature sporangium releases spores by the structures-annulus and stomium.

A) If both the assertion and the reason are true and the reason is a correct explanation of the assertion

B) If both the assertion and reason are true but the reason is not a correct explanation of the assertion

C) If the assertion is true but the reason is false

D) If both the assertion and reason are false

E) If the assertion is false but reason is true

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question_answer47) Assertion : Both bryophytes and pteridophytes contain well-developed antheridia. Reason : Biflagellate sperms are formed by their antheridia.

A) If both the assertion and the reason are true and the reason is a correct explanation of the assertion

B) If both the assertion and reason are true but the reason is not a correct explanation of the assertion

C) If the assertion is true but the reason is false

D) If both the assertion and reason are false

E) If the assertion is false but reason is true

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question_answer48) Assertion : Water is not required for fertilization process in ferns. Reason : Malic acid of archegonial neck attracts antherozoids.

A) If both the assertion and the reason are true and the reason is a correct explanation of the assertion

B) If both the assertion and reason are true but the reason is not a correct explanation of the assertion

C) If the assertion is true but the reason is false

D) If both the assertion and reason are false

E) If the assertion is false but reason is true

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question_answer49) Assertion : Sporophytes of pteridophyta are dominant individual. Reason : They do not show the formation of true root.

A) If both the assertion and the reason are true and the reason is a correct explanation of the assertion

B) If both the assertion and reason are true but the reason is not a correct explanation of the assertion

C) If the assertion is true but the reason is false

D) If both the assertion and reason are false

E) If the assertion is false but reason is true

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question_answer50) Assertion : Homosporous pteridophytes are exosporic. Reason : Heterosporous pteridophytes are endosporic.

A) If both the assertion and the reason are true and the reason is a correct explanation of the assertion

B) If both the assertion and reason are true but the reason is not a correct explanation of the assertion

C) If the assertion is true but the reason is false

D) If both the assertion and reason are false

E) If the assertion is false but reason is true

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question_answer51) Assertion : In leptosporangiate development, sporangia are formed from a group of initials. Reason : Eusporangiate development of sporangia starts from single initial.

A) If both the assertion and the reason are true and the reason is a correct explanation of the assertion

B) If both the assertion and reason are true but the reason is not a correct explanation of the assertion

C) If the assertion is true but the reason is false

D) If both the assertion and reason are false

E) If the assertion is false but reason is true

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question_answer52) Assertion : Adiantum caudatom is called walking fern. Reason : It can reproduce by its leaf tips.

A) If both the assertion and the reason are true and the reason is a correct explanation of the assertion

B) If both the assertion and reason are true but the reason is not a correct explanation of the assertion

C) If the assertion is true but the reason is false

D) If both the assertion and reason are false

E) If the assertion is false but reason is true

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question_answer53) Assertion : Gymnosperms seeds are naked. Reason : They lack ovary wall.

A) If both the assertion and the reason are true and the reason is a correct explanation of the assertion

B) If both the assertion and reason are true but the reason is not a correct explanation of the assertion

C) If the assertion is true but the reason is false

D) If both the assertion and reason are false

E) If the assertion is false but reason is true

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question_answer54) Assertion : Cycas has two types of root-tap root system and coralloid roots. Reason : Coralloid root contains Anabaena.

A) If both the assertion and the reason are true and the reason is a correct explanation of the assertion

B) If both the assertion and reason are true but the reason is not a correct explanation of the assertion

C) If the assertion is true but the reason is false

D) If both the assertion and reason are false

E) If the assertion is false but reason is true

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question_answer55) Assertion : Xylem of gymnosperms consists of tracheids and no vessels. Reason : Phloem of gymnosperms consists of phloem parenchyma, companion cells and sieve tubes.

A) If both the assertion and the reason are true and the reason is a correct explanation of the assertion

B) If both the assertion and reason are true but the reason is not a correct explanation of the assertion

C) If the assertion is true but the reason is false

D) If both the assertion and reason are false

E) If the assertion is false but reason is true

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question_answer56) Assertion : All living species of Cycas are dioecious. Reason : Cycas contains male and female cones on the same plant.

A) If both the assertion and the reason are true and the reason is a correct explanation of the assertion

B) If both the assertion and reason are true but the reason is not a correct explanation of the assertion

C) If the assertion is true but the reason is false

D) If both the assertion and reason are false

E) If the assertion is false but reason is true

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question_answer57) Assertion : The male of Cycas change in size when the microspores became mature. Reason : The microspores are dispersed by wind.

A) If both the assertion and the reason are true and the reason is a correct explanation of the assertion

B) If both the assertion and reason are true but the reason is not a correct explanation of the assertion

C) If the assertion is true but the reason is false

D) If both the assertion and reason are false

E) If the assertion is false but reason is true

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question_answer58) Assertion : The female cone of Cycas is not true cone. Reason : Its formation checks the growth of the stem.

A) If both the assertion and the reason are true and the reason is a correct explanation of the assertion

B) If both the assertion and reason are true but the reason is not a correct explanation of the assertion

C) If the assertion is true but the reason is false

D) If both the assertion and reason are false

E) If the assertion is false but reason is true

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question_answer59) Assertion : The interval between pollination and fertilization is about 4 months in Cycas. Reason : Cycas show retention of swimming sperm.

A) If both the assertion and the reason are true and the reason is a correct explanation of the assertion

B) If both the assertion and reason are true but the reason is not a correct explanation of the assertion

C) If the assertion is true but the reason is false

D) If both the assertion and reason are false

E) If the assertion is false but reason is true

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question_answer60) Assertion : Cycas embryo has many cotyledons. Reason : Compound suspensor is formed due to fusion of suspensors of proembryos.

A) If both the assertion and the reason are true and the reason is a correct explanation of the assertion

B) If both the assertion and reason are true but the reason is not a correct explanation of the assertion

C) If the assertion is true but the reason is false

D) If both the assertion and reason are false

E) If the assertion is false but reason is true

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question_answer61) Assertion : Pinus has a pyramidal appearance. Reason : The older parts of long shoot have scars of fallen dwarf shoots.

A) If both the assertion and the reason are true and the reason is a correct explanation of the assertion

B) If both the assertion and reason are true but the reason is not a correct explanation of the assertion

C) If the assertion is true but the reason is false

D) If both the assertion and reason are false

E) If the assertion is false but reason is true

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question_answer62) Assertion : In gymnosperms, plants show well-developed vessels and fibres. Reason : Companion cells are absent in gymnosperm.

A) If both the assertion and the reason are true and the reason is a correct explanation of the assertion

B) If both the assertion and reason are true but the reason is not a correct explanation of the assertion

C) If the assertion is true but the reason is false

D) If both the assertion and reason are false

E) If the assertion is false but reason is true

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question_answer63) Assertion : ?Upper Carboniferous? period is also called ?Age of Ferns?. Reason : Ferns dominated during the period.

A) If both the assertion and the reason are true and the reason is a correct explanation of the assertion

B) If both the assertion and reason are true but the reason is not a correct explanation of the assertion

C) If the assertion is true but the reason is false

D) If both the assertion and reason are false

E) If the assertion is false but reason is true

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question_answer64) Assertion : Pinus is heterosporous. Reason : Microspore and megaspore are present in them.

A) If both the assertion and the reason are true and the reason is a correct explanation of the assertion

B) If both the assertion and reason are true but the reason is not a correct explanation of the assertion

C) If the assertion is true but the reason is false

D) If both the assertion and reason are false

E) If the assertion is false but reason is true

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question_answer65) Assertion : The scale leaves on the long shoots are called cataphylls. Reason : Cataphylls lack mid rib.

A) If both the assertion and the reason are true and the reason is a correct explanation of the assertion

B) If both the assertion and reason are true but the reason is not a correct explanation of the assertion

C) If the assertion is true but the reason is false

D) If both the assertion and reason are false

E) If the assertion is false but reason is true

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question_answer66) Assertion : Pinus shows formation of annual rings. Reason : Pinus grows in area of environmental fluctuation.

A) If both the assertion and the reason are true and the reason is a correct explanation of the assertion

B) If both the assertion and reason are true but the reason is not a correct explanation of the assertion

C) If the assertion is true but the reason is false

D) If both the assertion and reason are false

E) If the assertion is false but reason is true

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question_answer67) Assertion : The mesophyll of Pinus shows no distinction as mesophyll and palisade. Reason : Parenchymatous cells are present in mesophyll of Pinus.

A) If both the assertion and the reason are true and the reason is a correct explanation of the assertion

B) If both the assertion and reason are true but the reason is not a correct explanation of the assertion

C) If the assertion is true but the reason is false

D) If both the assertion and reason are false

E) If the assertion is false but reason is true

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question_answer68) Assertion : Pinus is monoecious. Reason : Each sporophyll bears only one microsporangia.

A) If both the assertion and the reason are true and the reason is a correct explanation of the assertion

B) If both the assertion and reason are true but the reason is not a correct explanation of the assertion

C) If the assertion is true but the reason is false

D) If both the assertion and reason are false

E) If the assertion is false but reason is true

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question_answer69) Assertion : Male cone of Pinus is equivalent to stamens of angiosperms. Reason : Male cone bears pollen grains.

A) If both the assertion and the reason are true and the reason is a correct explanation of the assertion

B) If both the assertion and reason are true but the reason is not a correct explanation of the assertion

C) If the assertion is true but the reason is false

D) If both the assertion and reason are false

E) If the assertion is false but reason is true

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question_answer70) Assertion : The female cones are same in number as male cones. Reason : Male and female cones appears alternately on the same branch of the Pinus.

A) If both the assertion and the reason are true and the reason is a correct explanation of the assertion

B) If both the assertion and reason are true but the reason is not a correct explanation of the assertion

C) If the assertion is true but the reason is false

D) If both the assertion and reason are false

E) If the assertion is false but reason is true

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question_answer71) Assertion : The female cones take much time to mature. Reason : The seeds are shed when the cone is 22 months old.

A) If both the assertion and the reason are true and the reason is a correct explanation of the assertion

B) If both the assertion and reason are true but the reason is not a correct explanation of the assertion

C) If the assertion is true but the reason is false

D) If both the assertion and reason are false

E) If the assertion is false but reason is true

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question_answer72) Assertion : Pinus embryo has two cotyledons. Reason : Pinus shows polyembryony.

A) If both the assertion and the reason are true and the reason is a correct explanation of the assertion

B) If both the assertion and reason are true but the reason is not a correct explanation of the assertion

C) If the assertion is true but the reason is false

D) If both the assertion and reason are false

E) If the assertion is false but reason is true

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question_answer73) Assertion : Pinus displays the alternation of generations. Reason : The gametophyte is dependent upon the sporophyte phase.

A) If both the assertion and the reason are true and the reason is a correct explanation of the assertion

B) If both the assertion and reason are true but the reason is not a correct explanation of the assertion

C) If the assertion is true but the reason is false

D) If both the assertion and reason are false

E) If the assertion is false but reason is true

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question_answer74) Assertion : Cedrus deodara yields highly-valued timber. Reason : Cedrus deodara is resistant to pathogen attack.

A) If both the assertion and the reason are true and the reason is a correct explanation of the assertion

B) If both the assertion and reason are true but the reason is not a correct explanation of the assertion

C) If the assertion is true but the reason is false

D) If both the assertion and reason are false

E) If the assertion is false but reason is true

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question_answer75) Assertion : Pinus wood is used as fuel wood. Reason : Pinus wood can easily be ignited.

A) If both the assertion and the reason are true and the reason is a correct explanation of the assertion

B) If both the assertion and reason are true but the reason is not a correct explanation of the assertion

C) If the assertion is true but the reason is false

D) If both the assertion and reason are false

E) If the assertion is false but reason is true

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question_answer76) Assertion : In Pinus, pollination is anemophilous Reason : Pinus bear winged pollen grains.

A) If both the assertion and the reason are true and the reason is a correct explanation of the assertion

B) If both the assertion and reason are true but the reason is not a correct explanation of the assertion

C) If the assertion is true but the reason is false

D) If both the assertion and reason are false

E) If the assertion is false but reason is true

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question_answer77) Assertion : Angiosperms and gymnosperms both are flowering plants. Reason : Both form seeds.

A) If both the assertion and the reason are true and the reason is a correct explanation of the assertion

B) If both the assertion and reason are true but the reason is not a correct explanation of the assertion

C) If the assertion is true but the reason is false

D) If both the assertion and reason are false

E) If the assertion is false but reason is true

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question_answer78) Assertion : Angiosperms are most recent plants. Reason : Angiosperms lack archegonia.

A) If both the assertion and the reason are true and the reason is a correct explanation of the assertion

B) If both the assertion and reason are true but the reason is not a correct explanation of the assertion

C) If the assertion is true but the reason is false

D) If both the assertion and reason are false

E) If the assertion is false but reason is true

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question_answer79) Assertion : Double fertilization is unique to angiosperms. Reason : Triple fusion occurs in double fertilization.

A) If both the assertion and the reason are true and the reason is a correct explanation of the assertion

B) If both the assertion and reason are true but the reason is not a correct explanation of the assertion

C) If the assertion is true but the reason is false

D) If both the assertion and reason are false

E) If the assertion is false but reason is true

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question_answer80) Assertion : Angiosperm and Gymnosperms both are spermatophyta. Reason : Angiosperm and Gymnosperms both form triploid endosperm.

A) If both the assertion and the reason are true and the reason is a correct explanation of the assertion

B) If both the assertion and reason are true but the reason is not a correct explanation of the assertion

C) If the assertion is true but the reason is false

D) If both the assertion and reason are false

E) If the assertion is false but reason is true

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question_answer81) Assertion : Flower is aggregation of sporophylls. Reason : Sporophylls are modified in angiosperms.

A) If both the assertion and the reason are true and the reason is a correct explanation of the assertion

B) If both the assertion and reason are true but the reason is not a correct explanation of the assertion

C) If the assertion is true but the reason is false

D) If both the assertion and reason are false

E) If the assertion is false but reason is true

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question_answer82) Assertion : Fertilized ovule forms seed. Reason : Ripened ovary forms fruit.

A) If both the assertion and the reason are true and the reason is a correct explanation of the assertion

B) If both the assertion and reason are true but the reason is not a correct explanation of the assertion

C) If the assertion is true but the reason is false

D) If both the assertion and reason are false

E) If the assertion is false but reason is true

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question_answer83) Assertion : Angiosperms lack flagellate male gametes. Reason : Sperms are not dependent on water for fertilization.

A) If both the assertion and the reason are true and the reason is a correct explanation of the assertion

B) If both the assertion and reason are true but the reason is not a correct explanation of the assertion

C) If the assertion is true but the reason is false

D) If both the assertion and reason are false

E) If the assertion is false but reason is true

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question_answer84) Assertion : Angiosperms are mostly terrestrial. Reason : Angiosperms are found in plains only.

A) If both the assertion and the reason are true and the reason is a correct explanation of the assertion

B) If both the assertion and reason are true but the reason is not a correct explanation of the assertion

C) If the assertion is true but the reason is false

D) If both the assertion and reason are false

E) If the assertion is false but reason is true

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question_answer85) Assertion : Stamens are comparable to microsporophylls. Reason : Ovules are comparable to megasporophylls.

A) If both the assertion and the reason are true and the reason is a correct explanation of the assertion

B) If both the assertion and reason are true but the reason is not a correct explanation of the assertion

C) If the assertion is true but the reason is false

D) If both the assertion and reason are false

E) If the assertion is false but reason is true

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question_answer86) Assertion : More dicot species are known than that of monocot species. Reason : Two cotyledons are present in the dicot plants.

A) If both the assertion and the reason are true and the reason is a correct explanation of the assertion

B) If both the assertion and reason are true but the reason is not a correct explanation of the assertion

C) If the assertion is true but the reason is false

D) If both the assertion and reason are false

E) If the assertion is false but reason is true

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question_answer87) Assertion : Biennial plants flower in two year. Reason : The biennial plants live for two years.

A) If both the assertion and the reason are true and the reason is a correct explanation of the assertion

B) If both the assertion and reason are true but the reason is not a correct explanation of the assertion

C) If the assertion is true but the reason is false

D) If both the assertion and reason are false

E) If the assertion is false but reason is true

View Solution play_arrow

question_answer88) Assertion : Angiosperms contain microsporophyll and megasporophyll. Reason : Microsporophyll and megasporophyll forms microspore and megaspore respectively.

A) If both the assertion and the reason are true and the reason is a correct explanation of the assertion

B) If both the assertion and reason are true but the reason is not a correct explanation of the assertion

C) If the assertion is true but the reason is false

D) If both the assertion and reason are false

E) If the assertion is false but reason is true