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 |
 80%
From NCERT
NEET - 2021
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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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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 |
 71%
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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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 |
 76%
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. I is incorrect but II is correct.
2. Both I and II are correct.
3. Both I and II are incorrect.
4. I is correct but II is incorrect.

Subtopic:  Pollination & Outbreeding Devices |
 83%
From NCERT
NEET - 2022
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Which part of the fruit, labelled in the given figure makes it a false fruit?

1. D-Seed
2. A-Mesocarp
3. B-Endocarp
4. C-Thalamus

Subtopic:  Fruit |
 85%
From NCERT
NEET - 2022
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What will be the ploidy of endosperm of a seed produced after crossing tetraploid female plant with tetraploid male plant? 
1. Pentaploid 
2. Hexaploid 
3. Diploid 
4. Triploid 

Subtopic:  Post Pollination Events |
 56%
NEET - 2022
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Which of the following set represents the correct labeling of A,B, C and D with respect to the given diagram? 
         

1. A- Seed Coat,  B- Cotyledon, C- Endosperm, D - Hypocotyle 
2. A -Seed Coat,  B- Scutellum, C- Endocarp, D - Mesocarp
3. A- Seed Coat,  B- Scutellum, C- Microphyle, D - Endocarp 
4. A-Pericarp, B - Coleoptile 
Subtopic:  Seed |
 74%
From NCERT
NEET - 2022
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Bee-keeping helps to improve the yield of following crops Except ____________. 
1. Jowar 
2. Sunflower 
3. Apple 
4. Mustard 

Subtopic:  Pollination & Outbreeding Devices |
 51%
NEET - 2022
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NEET 2023 - Target Batch - Aryan Raj Singh
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