Identify the set of correct statements:
A: The flowers of Vallisneria are colourful and produce nectar.
B: The flowers of waterlily are not pollinated by water.
C: In most of water-pollinated species, the pollen grains are protected from wetting.
D: Pollen grains of some hydrophytes are long and ribbon like.
E: In some hydrophytes, the pollen grains are carried passively inside water.
Choose the correct answer from the options given below:
1. A, B, C and D only
2. A, C, D and E only
3. B, C, D and E only
4. C, D and E only
Subtopic:  Pollination & Outbreeding Devices |
 75%
Level 2: 60%+
NEET - 2024
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Identify the correct description about the given figure:
                  
1. Water pollinated flowers showing stamens with mucilaginous covering.
2. Cleistogamous flowers showing autogamy.
3. Compact inflorescence showing complete autogamy.
4. Wind pollinated plant inflorescence showing flowers with well exposed stamens.
Subtopic:  Pollination & Outbreeding Devices |
 83%
Level 1: 80%+
NEET - 2024
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The junction between ovule and funicle is represented by :
1. Nucellus 2. Integument
3. Chalaza 4. Hilum
Subtopic:  Pistil: Ovule |
 94%
Level 1: 80%+
NEET - 2024
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Which of the following represents the female gametophyte?
1. Ovule
2. Embryo sac
3. Nucellus
4. Endosperm
Subtopic:  Pistil: Ovule |
 78%
Level 2: 60%+
NEET - 2024
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What is the function of the ears in the corn cob?
1. To protect seeds 2. To attract insects
3. To trap pollen grains 4. To disperse pollen grains 
Subtopic:  Pollination & Outbreeding Devices |
 79%
Level 2: 60%+
NEET - 2023
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In angiosperm, the haploid, diploid and triploid structures of a fertilized embryo sac sequentially are :
1. Synergids, antipodals and Polar nuclei
2. Synergids, Primary endosperm nucleus and zygote
3. Antipodals, synergids, and primary endosperm nucleus
4. Synergids, Zygote and Primary endosperm nucleus
Subtopic:  Double Fertilization |
 82%
Level 1: 80%+
NEET - 2023
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Large, colorful, fragrant flowers with nectar are seen in:
1. wind pollinated plants 2. insect pollinated plants 
3. bird pollinated plants  4. bat pollinated plants  
Subtopic:  Pollination & Outbreeding Devices |
 89%
Level 1: 80%+
NEET - 2023
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In which of the following sets of families, the pollen grain are viable for months?
1. Solanaceae, Poaceae and Liliaceae
2. Brassicaceae, Liliaceae and Poaceae
3. Rosaceae, Liliaceae and Poaceae
4. Leguminosae, Solanaceae and Rosaceae
Subtopic:  Stamen: Microsporangium | Stamen: Male Gametophyte |
 84%
Level 1: 80%+
NEET - 2023
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Transfer of pollen grains from anther to stigma of another flower of same plant is known as:
1. Geitonogamy 2. Xenogamy
3. Autogamy 4. Cleistogamy
Subtopic:  Pollination & Outbreeding Devices |
 88%
Level 1: 80%+
NEET - 2023
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In angiosperms, the correct sequence of events leading to the formation of female gametophyte in the ovule is:
A. 3 successive free nuclear divisions in functional megaspore.
B. Degeneration of 3 megaspores
C. Meiotic division in megaspore mother cell
D. Migration of 3 nuclei towards each pole.
E. Formation of a wall resulting in seven celled embryosac. 
Choose the correct answer from the options given below:
1. (A), (B), (C), (D), (E) 2. (C), (E), (A), (D), (B)
3. (B), (C), (A), (D), (E) 4. (C), (B), (A), (D), (E)
Subtopic:  Pistil: Ovule | Pistil: Female Gametophyte |
 77%
Level 2: 60%+
NEET - 2023
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