Cross pollination in true genetic sense is 

(1) allogamy

(2) cleistogamy

(3) geitonogamy

(4) autogamy

Subtopic:  Pollination & Outbreeding Devices |
 65%
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NEET 2023 - Target Batch - Aryan Raj Singh
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Seed of castor is

(1) non-endospermic, exalbuminous

(2) endospermic albuminous

(3) endospermic exalbuminous

(4) non-endospermic albuminous.

Subtopic:  Seed |
 74%
From NCERT
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NEET 2023 - Target Batch - Aryan Raj Singh
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NEET 2023 - Target Batch - Aryan Raj Singh

Ubisch bodies are secreted from

(1) ovule

(2) tapetum

(3) both of these

(4) none of these

Subtopic:  Stamen: Anther |
 76%
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NEET 2023 - Target Batch - Aryan Raj Singh
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Aleurone layer is

(1) haploid

(2) diploid

(3) triploid

(4) tetraploid

Subtopic:  Seed |
 76%
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NEET 2023 - Target Batch - Aryan Raj Singh
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Edible part of apple is the

(1) thalamus

(2) mesocarp

(3) epicarp

(4) endocarp

Subtopic:  Fruit |
 84%
From NCERT
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NEET 2023 - Target Batch - Aryan Raj Singh
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NEET 2023 - Target Batch - Aryan Raj Singh

Pollination by bat is called

(1) ornithophily

(2) chitopteriphily

(3) malacophily

(4) anemophily

Subtopic:  Pollination & Outbreeding Devices | Post Pollination Events |
 68%
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NEET 2023 - Target Batch - Aryan Raj Singh
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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 |
 94%
From NCERT
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NEET 2023 - Target Batch - Aryan Raj Singh
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NEET 2023 - Target Batch - Aryan Raj Singh

Xenia and metaxenia terms are related with

(1) pollen culture

(2) xylem and phloem

(3) endosperm

(4) embryo

Subtopic:  Endosperm |
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NEET 2023 - Target Batch - Aryan Raj Singh
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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 |
 98%
From NCERT
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NEET 2023 - Target Batch - Aryan Raj Singh
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NEET 2023 - Target Batch - Aryan Raj Singh

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 |
 89%
From NCERT
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NEET 2023 - Target Batch - Aryan Raj Singh
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To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh