Non- albuminous seed is produced in:

1. Maize

2. Castor

3. Wheat

4. Pea

Subtopic:  Seed |
 74%
From NCERT
AIPMT - 2014
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Perisperm differs from endosperm in:
 
1. having no reserve food
2. being a diploid tissue
3. its formation by fusion of secondary nucleus with several sperms
4. being a haploid tissue

 

Subtopic:  Seed |
 66%
AIPMT - 2013
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Megasporangium is equivalent to:
1. Fruit
2. Nucellus
3. Ovule
4. Embryo sac

Subtopic:  Pistil: Ovule |
 72%
From NCERT
AIPMT - 2013
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Advantage of cleistogamy is:

1. More vigorous offspring

2. No dependence of pollinator

3. Vivipary

4. Higher genetic variability

Subtopic:  Pollination & Outbreeding Devices |
 88%
From NCERT
AIPMT - 2013
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Which one of the following statements is correct?

1. Sporogenous tissue is haploid

2. Endothecium produces the microspores

3. Tapetum nourishes the developing pollen

4. Hard outer layer of pollen is called intine

Subtopic:  Stamen: Microsporangium |
 92%
From NCERT
AIPMT - 2013
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Both, autogamy and geitonogamy are prevented in:

1. Papaya

2. Cucumber

3. Castor

4. Maize

Subtopic:  Pollination & Outbreeding Devices |
 90%
From NCERT
AIPMT - 2012
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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 |
 97%
From NCERT
AIPMT - 2012
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The gynoecium consists of many free pistils in flowers of:

1. Aloe

2. Tomato

3. Papaver

4. Michelia

Subtopic:  Pistil: Female Gametophyte |
 71%
From NCERT
AIPMT - 2012
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Even in the absence of pollinating agents, seed-setting is assured in:

1. Commelina

2. Zostera

3. Salvia

4. Fig

Subtopic:  Pollination & Outbreeding Devices |
 77%
From NCERT
AIPMT - 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 |
 90%
From NCERT
AIPMT - 2012
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