Non-albuminous seed is produced in

(1) maize

(2) castor

(3) wheat

(4) pea

Subtopic:  Seed |
 70%
From NCERT
NEET - 2014
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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 

Subtopic:  Stamen: Anther | Stamen: Microsporangium |
 89%
From NCERT
NEET - 2013
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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

Subtopic:  Stamen: Male Gametophyte |
 96%
From NCERT
NEET - 2012
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Even in absence of pollinating agents seed-setting is assured in

(1) Commellina

(2) Zostera

(3) Salvia

(4) fig

Subtopic:  Pollination & Outbreeding Devices |
 73%
From NCERT
NEET - 2012
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The coconut water and the edible part of coconut are equivalent to

(1) endosperm

(2) endocarp

(3) mesocarp

(4) embryo

Subtopic:  Endosperm |
 92%
From NCERT
NEET - 2012
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Wind pollination is common in

(1) lilies

(2) grasses

(3) orchids

(4) legumes

Subtopic:  Pollination & Outbreeding Devices |
 83%
From NCERT
NEET - 2011
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Nucellar polyembryony is reported in species of

(1) Gossypium

(2) Triticum

(3) Brassica

(4) Citrus

Subtopic:  Apomixis & Polyembryony |
 81%
From NCERT
NEET - 2011
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In which one of the following pollination is autogamous?

(1) Xenogamy

(2) Chasmogamy

(3) Cleistogamy

(4) Geitonogamy

Subtopic:  Pollination & Outbreeding Devices |
 76%
From NCERT
NEET - 2011
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Apomictic embryos in Citrus arise from

(1) synergids

(2) maternal sporophytic tissue in ovule

(3) antipodal cells

(4) diploid egg

Subtopic:  Apomixis & Polyembryony |
 68%
From NCERT
NEET - 2010
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Transfer of pollen grains from the anther to the stigmaof another flower of the same plant is called

(1) xenogamy

(2) geitonogamy

(3) karyogamy

(4) autogamy

Subtopic:  Pollination & Outbreeding Devices |
 91%
From NCERT
NEET - 2010
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