Which one of the following may require pollinators, but is genetically similar to autogamy?

1. Geitonogamy 2. Xenogamy
3. Apogamy 4. Cleistogamy

Subtopic:  Pollination & Outbreeding Devices |
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Which of the following are the important floral rewards to the animal pollinators?
1. Colour and large size of flower
2. Nectar and pollen grains
3. Floral fragrance and calcium crystals
4. Protein pellicle and stigmatic exudates

 

Subtopic:  Pollination & Outbreeding Devices |
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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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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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Both, autogamy and geitonogamy are prevented in

1. Papaya

2. Cucumber

3. Castor

4. Maize

Subtopic:  Pollination & Outbreeding Devices |
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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 |
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Plants with ovaries having only one or a few ovules, are generally pollinated by : 

1.  Butterflies 

2.  Birds 

3. Wind 

4. Bees 

Subtopic:  Pollination & Outbreeding Devices |
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Wind pollination is common

1.  lilies

2.  grasses

3.  orchids

4.  legumes

Subtopic:  Pollination & Outbreeding Devices |
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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 |
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Transfer of pollen grains from the anther to the stigma of another flower of the same plant is called

1. xenogamy

2. geitonogamy

3. karyogamy

4. autogamy

Subtopic:  Pollination & Outbreeding Devices |
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