Cross pollination in true genetic sense is 

(1) allogamy

(2) cleistogamy

(3) geitonogamy

(4) autogamy

Subtopic:  Pollination & Outbreeding Devices |
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Seed of castor is

(1) non-endospermic, exalbuminous

(2) endospermic albuminous

(3) endospermic exalbuminous

(4) non-endospermic albuminous.

Subtopic:  Seed |
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Ubisch bodies are secreted from

(1) ovule

(2) tapetum

(3) both of these

(4) none of these

Subtopic:  Stamen: Anther |
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Aleurone layer is

(1) haploid

(2) diploid

(3) triploid

(4) tetraploid

Subtopic:  Seed |
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Edible part of apple is the

(1) thalamus

(2) mesocarp

(3) epicarp

(4) endocarp

Subtopic:  Fruit |
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Pollination by bat is called

(1) ornithophily

(2) chitopteriphily

(3) malacophily

(4) anemophily

Subtopic:  Pollination & Outbreeding Devices | Post Pollination Events |
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During formation of which of the following free nuclear division occurs?

(1) Flower

(2) Endosperm

(3) Gametes

(4) Fruit

Subtopic:  Endosperm |
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Xenia and metaxenia terms are related with

(1) pollen culture

(2) xylem and phloem

(3) endosperm

(4) embryo

Subtopic:  Endosperm |
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Pollen grains are able to withstand extremes of temperature and dessication because their exine is composed of

(1) cutin

(2) suberin

(3) sporopollenin

(4) callose

Subtopic:  Stamen: Male Gametophyte |
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The pollen tube usually enters the embryo sac

(1) through one of the synergids

(2) by directly penetrating the egg

(3) between one synergid and central cell

(4) by knocking off the antipodal cells

Subtopic:  Post Pollination Events |
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