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Q. No.Both multiple fission and binary fission are seen in:
1. Escherechia coli
2. Plasmodium falciparum
3. Amoeba
4. Penicillum
Subtopic: Asexual Reproduction |
86%
From NCERT
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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
52%
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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%
From NCERT
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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%
From NCERT
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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%
From NCERT
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Subtopic: Sexual Reproduction | Events during Sexual reproduction |
84%
From NCERT
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Identify the incorrectly matched pair:
| 1. | Encystation and multiple fission | Amoeba |
| 2. | Buds | Hydra |
| 3. | Gemmules | Cnidarians |
| 4. | Conidia | Penicillium |
Subtopic: Asexual Reproduction |
93%
From NCERT
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Identify the asexual reproductive structure associated with penicillium :
1. Buds
2. Zoospores
3. Conidia
4. Gemmules
1. Buds
2. Zoospores
3. Conidia
4. Gemmules
Subtopic: Asexual Reproduction |
86%
From NCERT
NEET - 2022
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NEET 2023 - Target Batch - Aryan Raj Singh
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NEET 2023 - Target Batch - Aryan Raj Singh
Which of the following is/are vegetative propagule(s) ?
(a) Eyes of Potato
(b) Zoospore of Chlamydomonas
(c) Rhizome of Ginger
(d) Buds in Hydra
(e) Bulbil of Agave
Choose the most appropriate answer from the options given below :
1. (e) only
2. (a), (c), (e) only
3. (a), (b), (c), (d) only
4. (b), (d) only
Subtopic: Asexual Reproduction |
79%
From NCERT
NEET - 2022
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NEET 2023 - Target Batch - Aryan Raj Singh
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NEET 2023 - Target Batch - Aryan Raj Singh
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 |
87%
From NCERT
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