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Q. No.Which of the following statement is not correct?
1.
Rhizome is a condensed form of stem
2.
The apical bud in rhizome always remains above the ground
3.
The rhizome is aerial with no distinct nodes and internodes
4.
The rhizome is thick, prostrate and branched
Subtopic: Asexual Reproduction |
56%
Level 3: 35%-60%
NEET - 2022
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When two parents participate in the reproductive process and also involve _____A______ of ____B_______ , it is called sexual reproduction. Choose the option which fills the blanks A and B correctly.
| A | B | |
| 1. | Isolation | Male and female gametes |
| 2. | Fusion | Male gametes |
| 3. | Gametogenesis | Only female gametes |
| 4. | Fusion | Male and female gametes |
Subtopic: Sexual Reproduction |
93%
Level 1: 80%+
Please attempt this question first.
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Subtopic: Sexual Reproduction | Events during Sexual reproduction |
59%
Level 3: 35%-60%
NEET - 2013
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In which plant, adventitious buds arises from the notches present at margins of leaves and help in vegetative propagation?
1. Banana
2. Bryophyllum
3. Water hyacinth
4. Sugarcane
1. Banana
2. Bryophyllum
3. Water hyacinth
4. Sugarcane
Subtopic: Asexual Reproduction |
90%
Level 1: 80%+
Please attempt this question first.
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Match List-I with List-II
Choose the correct answer from the options given below:
| List-I | List-II |
| (a) Chlamydomonas | (i) Conidia |
| (b) Penicillium | (ii) Zoospores |
| (c) Hydra | (iii) Gemmules |
| (d) Sponge | (iv) Buds |
| (a) | (b) | (c) | (d) | |
| 1. | (i) | (iv) | (iii) | (ii) |
| 2. | (ii) | (i) | (iv) | (iii) |
| 3. | (iii) | (ii) | (i) | (iv) |
| 4. | (iv) | (iii) | (ii) | (i) |
Subtopic: Asexual Reproduction |
91%
Level 1: 80%+
NEET - 2022
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Assertion(A): Formation of vegetative propagules in plants does not involve two parents.
Reason(R): Vegetative propagation is a type of asexual reproduction.
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true, but (R) is not the correct explanation of (A).
3. (A) is true, but (R) is false.
4. (A) is false, but (R) is true.
Reason(R): Vegetative propagation is a type of asexual reproduction.
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true, but (R) is not the correct explanation of (A).
3. (A) is true, but (R) is false.
4. (A) is false, but (R) is true.
Subtopic: Asexual Reproduction |
Level 4: Below 35%
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Assertion(A): Water hyacinth can propagate vegetatively at a phenomenal rate.
Reason(R): It is very difficult to get rid off water hyacinth once introduced into the water body.
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true, but (R) is not the correct explanation of (A).
3. (A) is true, but (R) is false.
4. (A) is false, but (R) is true.
Reason(R): It is very difficult to get rid off water hyacinth once introduced into the water body.
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true, but (R) is not the correct explanation of (A).
3. (A) is true, but (R) is false.
4. (A) is false, but (R) is true.
Subtopic: Asexual Reproduction |
53%
Level 3: 35%-60%
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Assertion(A): Dioecious organisms must have a special mechanism for gamete transfer.
Reason(R): Male and female gametes are produced in different individuals.
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true, but (R) is not the correct explanation of (A).
3. (A) is true, but (R) is false.
4. (A) is false, but (R) is true.
Reason(R): Male and female gametes are produced in different individuals.
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true, but (R) is not the correct explanation of (A).
3. (A) is true, but (R) is false.
4. (A) is false, but (R) is true.
Subtopic: Events during Sexual reproduction |
69%
Level 2: 60%+
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Assertion(A): Seasonal breeders are reproductively active throughout their reproductive phase.
Reason(R): Seasonal breeders do wait for favorable seasons for reproduction.
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true, but (R) is not the correct explanation of (A).
3. (A) is true, but (R) is false.
4. (A) is false, but (R) is true.
Reason(R): Seasonal breeders do wait for favorable seasons for reproduction.
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true, but (R) is not the correct explanation of (A).
3. (A) is true, but (R) is false.
4. (A) is false, but (R) is true.
Subtopic: Sexual Reproduction |
60%
Level 2: 60%+
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Assertion(A): Pollen grains have to be transferred to stigma after fertilization.
Reason(R): Pollen grains are the carriers of male gametes.
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true, but (R) is not the correct explanation of (A).
3. (A) is true, but (R) is false.
4. (A) is false, but (R) is true.
Reason(R): Pollen grains are the carriers of male gametes.
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true, but (R) is not the correct explanation of (A).
3. (A) is true, but (R) is false.
4. (A) is false, but (R) is true.
Subtopic: Events during Sexual reproduction |
71%
Level 2: 60%+
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