The residual persistent part which forms the perisperm in the seeds of beet is :
1. Calyx
2. Endosperm
3. Nucellus
4. Integument

Subtopic:  Embryo | Seed |
 79%
From NCERT
NEET - 2022
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Which of the following can be expected if scientists succeed in introducing apomictic gene into hybrid varieties of crops?
1. Polyembryony will be seen and each seed will produce many plantlets.
2. Seeds of hybrid plants will show longer dormancy.
3. Farmers can keep on using the seeds produced by the hybrids to raise new crop year after year.
4. There will be segregation of the desired characters only in the progeny.
Subtopic:  Apomixis & Polyembryony |
 77%
From NCERT
NEET - 2022
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To ensure that only the desired pollens fall on the stigma in artificial hybridization process:
a: the female flower buds of plant producing unisexual flower need not be bagged.
b: there is no need to emasculate unisexual flowers of selected female parent.
c: emasculated flowers are to be bagged immediately after cross pollination.
d: emasculated flowers are to be bagged after removal of anthers.
e: bisexual flowers, showing protogyny are never selected for cross.
Choose the correct answer from the options given below:
1. (a), (b) and (c) only
2. (b), (c) and (d) only
3. (b), (c) and (e) only
4. (a), (d) and (e) only
Subtopic:  Pollen - Pistil Interaction |
 65%
From NCERT
NEET - 2022
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In general the egg apparatus of embryo sac in angiosperm consists of:
1. One egg cell, two synergids, three antipodal cells, two Polar nuclei
2. One egg cell, two synergids, two antipodal cells, three Polar nuclei
3. One egg cell, three synergids, two antipodal cells, two Polar nuclei
4. One egg cell, two synergids, two antipodal cells, two Polar nuclei
Subtopic:  Pistil: Female Gametophyte |
 89%
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 |
 50%
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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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 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 |
 86%
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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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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