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 |
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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 |
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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: Microsporangium |
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Function of filiform apparutus is to :

1. Recognize the suitable pollen at stigma

2. Stimulate division of genrative cell

3. Producer nectar

4. Guide the entry of pollen tube

Subtopic:  Pistil: Female Gametophyte |
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Non- albuminous seed is produced in:

1. Maize

2. Castor

3. Wheat

4. Pea

Subtopic:  Seed |
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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 |
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Megasporangium is equivalent to :
 
1. Fruit
 
2. Nucellus
 
3. Ovule
 
4. Embryo sac

 

Subtopic:  Pistil: Ovule |
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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 |
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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 |
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Both, autogamy and geitonogamy are prevented in

1. Papaya

2. Cucumber

3. Castor

4. Maize

Subtopic:  Pollination & Outbreeding Devices |
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