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Q. No.Which of the following plants is monoecious?
1. Marchantia polymorpha
2. Cycas circinalis
3. Carica papaya
4. Chara
Subtopic: Sexual Reproduction |
71%
Level 2: 60%+
NEET - 2021
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NEET 2026 - Target Batch - Vital
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Read the following statements A & B and choose the correct option :
Statement A: Asexual reproduction is a fast process.
Statement B: Progeny of sexually reproducing organisms shows variations due to crossing over.
1. Both statements A and B are correct
2. Both statements A and B are incorrect
3. Only statement A is correct
4. Only statement B is correct
Subtopic: Introduction |
85%
Level 1: 80%+
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Examine the figure (A-D) given below and select the right option out of 1-4, in which all the four structures A, B, C, and D are identified correctly:
Options
| A | B | C | D | |
| 1. | Runner | Archegoniophore | Synergid | Antheridium |
| 2. | Offset | Antheridiophore | Antipodals | Oogonium |
| 3. | Sucker | Seta | Megaspore mother cell |
Gamma cup |
| 4. | Rhizome | Sporangiophore | Polar cell | Globule |
Subtopic: Asexual Reproduction | Events during Sexual reproduction |
89%
Level 1: 80%+
AIPMT - 2010
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Subtopic: Asexual Reproduction |
90%
Level 1: 80%+
NEET - 2020
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NEET 2026 - Target Batch - Vital
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The sobriquet ‘terror of Bengal’ is given to water hyacinth because:
| 1. | it reproduces asexually at a phenomenal rate making it an invasive species in water bodies. |
| 2. | it is very damaging competitor to the jute crop in West Bengal. |
| 3. | it produces secondary metabolites such as cardiac glycosides causing death of cattle feeding on it. |
| 4. | it flowers once in a decade and when it does it produces a lot of toxins in aquatic bodies. |
Subtopic: Asexual Reproduction |
86%
Level 1: 80%+
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Both multiple fission and binary fission are seen in:
1. Escherechia coli
2. Plasmodium falciparum
3. Amoeba
4. Penicillum
1. Escherechia coli
2. Plasmodium falciparum
3. Amoeba
4. Penicillum
Subtopic: Asexual Reproduction |
86%
Level 1: 80%+
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If the number of chromosomes in a meiocyte of apple is 34, what would be the number of chromosomes in its somatic cells?
1. 17
2. 34
3. 51
4. 68
1. 17
2. 34
3. 51
4. 68
53%
Level 3: 35%-60%
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In some plants buds can grow where it normally would not. One such location may be in the margins of leaves. Name a plant where such buds are used as vegetative propagules:
1. Eichhornia crassipes
2. Bryophyllum
3. Rhizophora
4. Amorphophallus
1. Eichhornia crassipes
2. Bryophyllum
3. Rhizophora
4. Amorphophallus
Subtopic: Asexual Reproduction |
90%
Level 1: 80%+
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In diploid organisms, specialized cells called meiocytes undergo meiosis. At the end of meiosis:
1. all gametes produced are genetically identical
2. four gametes are always produced from a meiocyte in all organisms
3. only one set of chromosomes gets incorporated into each gamete
4. 50 % of gametes will have odd number and 50 % of gametes will have even number of chromosomes
1. all gametes produced are genetically identical
2. four gametes are always produced from a meiocyte in all organisms
3. only one set of chromosomes gets incorporated into each gamete
4. 50 % of gametes will have odd number and 50 % of gametes will have even number of chromosomes
Subtopic: Sexual Reproduction | Events during Sexual reproduction |
51%
Level 3: 35%-60%
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Which of the following is not correctly matched?
| Vegetative propagule | Example | |
| 1. | Eye | Ginger |
| 2. | Bulbil | Agave |
| 3. | Leaf buds | Bryophyllum |
| 4. | Offset | Water hyacinth |
Subtopic: Asexual Reproduction |
92%
Level 1: 80%+
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