A polyestrous animal is
1. Man
2. Cat
3. Rabbit
4. Horse

Subtopic:  Sexual Reproduction |
From NCERT
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Reproduction is a characteristic but not an all-inclusive defining property of living organisms. Which of the following statements can be used to justify this fact regarding living organisms?
I. Some organisms are capable of reproducing by both sexual and asexual means.
II. The usage of the term ‘reproduction’ is not clear in the context of unicellular organisms.
III. Many organisms like mules do not reproduce at all.
IV. No non-living object is capable of reproducing or replicating by itself.

1. Only I and IV
2. Only II and III
3. Only I, II and III
4. Only II, III and IV

Subtopic:  Introduction |
From NCERT
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There is no natural death in:
1. Aspergillus niger
2. Escherechia coli
3. Obelia
4. Planaria

Subtopic:  Asexual Reproduction |
 64%
From NCERT
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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%
From NCERT
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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%
From NCERT
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Vegetative propagation in Pistia/Water Hyacinth occurs by
1. Sucker
2. Runner
3.Offset
4. Stolon

Subtopic:  Asexual Reproduction |
 91%
From NCERT
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Which one represents male gamete?
1. Antipodals
2. Synergids
3. Endosperm
4. Pollen grain

Subtopic:  Sexual Reproduction |
 91%
From NCERT
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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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Which one of the following pairs is wrongly matched while the remaining three are correct?
1. Agave - Bulbils
2. Penicillium - Conidia
3. Water hyacinth - Runner
4. Bryophyllum – Leaf buds

Subtopic:  Asexual Reproduction |
 93%
From NCERT
AIPMT - 2011

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Which one of the following generates new genetic combinations leading to variation?
1. Nucellar polyembryony
2. Vegetative reproduction
3. Parthenogenesis
4. Sexual reproduction

Subtopic:  Sexual Reproduction |
 94%
From NCERT
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