Which of the following is incorrect for wind-pollinated plants?

1. Well exposed stamens and stigma

2. Many ovules in each ovary

3. Flowers are small and not brightly colored

4. Pollen grains are light and non-sticky

Subtopic:  Pollination & Outbreeding Devices |
 72%
From NCERT
NEET - 2020
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In some plants, the thalamus contributes to fruit formation. Such fruits are termed as:

1. False fruits

2. Aggregate fruits

3. True fruits

4. Parthenocarpic fruits

Subtopic:  Seed |
 90%
From NCERT
NEET - 2020
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The term used for transfer of pollen grains from anthers of one plant to stigma of a different plant which during pollination, brings genetically different types of pollen grains to stigma, is:

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

Subtopic:  Pollination & Outbreeding Devices |
 86%
From NCERT
NEET - 2021
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In some members of which of the following pairs of families, pollen grains retain their viability for months after release?

1. Poaceae; Solanaceae

2. Rosaceae; Leguminosae

3. Poaceae; Rosaceae

4. Poaceae; Leguminosae

Subtopic:  Stamen: Male Gametophyte |
 81%
From NCERT
NEET - 2021
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In water hyacinth and water lily, pollination takes place by:

1. Water currents only

2. Wind and water

3. Insects and water

4. Insects or wind

Subtopic:  Pollination & Outbreeding Devices |
 71%
From NCERT
NEET - 2020
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The body of the ovule is fused within the funicle at :

1. Micropyle 2. Nucellus
3. Chalaza 4. Hilum
Subtopic:  Pistil: Ovule |
 80%
From NCERT
NEET - 2020
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The plant parts which consist of two generations, one within the other, are:

a. Pollen grains inside the anther
b. Germinated pollen grain with two male gametes
c. Seed inside the fruit
d. Embryo sac inside the ovule


1. (a), (b), and (c)

2. (c) and (d)

3. (a) and (d) 

4. (a) only 

Subtopic:  Post Pollination Events |
NEET - 2020
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A typical angiospermic embryo sac is:

1. 8 - nucleate, 8 - celled
2. 7 - nucleate, 8 - celled
3. 8 - nucleate, 7 - celled
4. 7 - nucleate, 6 - celled

Subtopic:  Pistil: Female Gametophyte |
 92%
From NCERT
NEET - 2021
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Identify the incorrect statement related to Pollination: 
 
1. Moths and butterflies are the most dominant pollinating agents among insects 
2. Pollination by water is quite rare in flowering plants 
3. Pollination by wind is more common amongst abiotic pollination 
4. Flowers produce foul odours to attract flies and beetles to get pollinated 
Subtopic:  Pollination & Outbreeding Devices |
 77%
From NCERT
NEET - 2022
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Given below are two statements:

Statement I: Cleistogamous flowers are invariably autogamous.
Statement II: Cleistogamy is disadvantageous as there is no chance for cross pollination.


In the light of the above statements, choose the correct answer from the options given below:
1. Statement I is incorrect but Statement II is correct.
2. Both Statement I and Statement II are correct.
3. Both Statement I and Statement II are incorrect.
4. Statement I is correct but Statement II is incorrect.

Subtopic:  Pollination & Outbreeding Devices |
 84%
From NCERT
NEET - 2022
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