Function of filiform apparatus is to 

(1) recognise the suitable pollen at stigma

(2) stimulate division of generative cell

(3) produce nectar

(4) guide the entry of pollen tube

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Non-albuminous seed is produced in

(1) maize

(2) castor

(3) wheat

(4) pea

Concept Questions :-

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Which one of the following statement is correct?

(1) Hard outer layer of pollen is called intine

(2) Sporogenous tissue is haploid

(3) Endothecium produces the microspores

(4) Tapetum nourishes the developing pollen 

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Product of sexual reproduction generally generates

(1) longer viability of seeds

(2) prolonged dormancy

(3) new genetic combination leading to variation

(4) large biomass

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An organic substance that can withstand environmental extremes and cannot be degraded by any enzyme is

(1) cuticle

(2) sporopollenin

(3) lignin

(4) cellulose

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Even in absence of pollinating agents seed-setting is assured in

(1) Commellina

(2) Zostera

(3) Salvia

(4) fig

Concept Questions :-

Pollination & Outbreeding Devices
Post Pollination Events
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The coconut water and the edible part of coconut are equivalent to

(1) endosperm

(2) endocarp

(3) mesocarp

(4) embryo

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Filiform apparatus is a characteristic feature of

(1) egg

(2) synergid

(3) zygote

(4) suspensor

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Wind pollination is common in

(1) lilies

(2) grasses

(3) orchids

(4) legumes

Concept Questions :-

Pollination & Outbreeding Devices
Post Pollination Events
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Nucellar polyembryony is reported in species of

(1) Gossypium

(2) Triticum

(3) Brassica

(4) Citrus

Concept Questions :-

Apomixis & Polyembryony
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