Geitonogamy involves:

1. Pollination of a flower by the pollen from another flower of the same plant.
2. Pollination of a flower by the pollen from another same flower.
3. Pollination of a flower by the pollen from a flower of another plant in the same population.
4. Pollination of a flower by the pollen from a flower of another plant belonging to a distant population.

Subtopic:  Pollination & Outbreeding Devices |
 89%
From NCERT
AIPMT - 2014
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Male gametophyte with least number of cells is present in:

1. Pteris

2. Funaria

3. Lilium

4. Pinus

Subtopic:  Stamen: Male Gametophyte |
AIPMT - 2014
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Pollen tablets are available in the market for:

1. In vitro fertilization 2. Breeding programmes
3. Supplementing food 4. Ex-situ conservation
Subtopic:  Stamen: Male Gametophyte |
 91%
From NCERT
AIPMT - 2014
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Function of filiform apparatus is to:

1. Recognize the suitable pollen at the stigma
2. Stimulate division of generative cell
3. Producer nectar
4. Guide the entry of the pollen tube

Subtopic:  Pistil: Female Gametophyte |
 94%
From NCERT
AIPMT - 2014
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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 |
 73%
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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