The number of chromosomes in the shoot-tip cells of a maize plant is 20. The number of chromosomes in the microspore mother cells of the same plant shall be:

1. 20

2. 10

3. 40

4. 15

Subtopic:  Sexual Reproduction |
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The product of sexual reproduction generally generates:
1. Large biomass
2. Longer viability of seeds
3. Prolonged dormancy
4. New genetic combinations leading to variations

Subtopic:  Sexual Reproduction |
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The process of sexual reproduction which involves meiosis and syngamy is:

1. Apomixis 2. Amphimixis
3. Agamospermy 4. Diplospory

Subtopic:  Sexual Reproduction |
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A polyestrous animal is
1. Man
2. Cat
3. Rabbit
4. Horse

Subtopic:  Sexual Reproduction |
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Planaria possesses high capacity of
1. Regeneration
2. Alternation of generations
3. Bioluminescence
4. Metamorphosis

Subtopic:  Asexual Reproduction |
 92%
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In which one pair from the pairs given below, both the plants can be vegetatively propagated by leaf segments?
1. Agave and Kalanchoe
2. Bryophyllum and Kalanchoe
3. Asparagus and Bryophyllum
4.Chrysanthemum and Agave

Subtopic:  Asexual Reproduction |
 76%
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Vegetative propagation in Mint occurs by
1. Sucker
2. Runner
3. Offset
4. Rhizome

Subtopic:  Asexual Reproduction |
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Vegetative propagation in Pistia/Water Hyacinth occurs by
1. Sucker
2. Runner
3.Offset
4. Stolon

Subtopic:  Asexual Reproduction |
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Common between vegetative reproduction and apomixis is
1. Both applicable to dicots
2. Both bypass flowering phase
3. Both occur around the year
4.Both produce progeny identical to parent

Subtopic:  Asexual Reproduction |
 86%
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Which is wrongly matched?
1. Agave – bulbils
2. Penicillium – conidia
3. Water Hyacinth – runner
4. Bryophyllum – leaf buds

Subtopic:  Asexual Reproduction |
 93%
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