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Q. No.Which structure in flowering plants carry male gametes of the ovule?
1. Pollen grain
2. Stigma
3. Pollen tube
4. Anther
Subtopic: Events during Sexual reproduction |
58%
From NCERT
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External fertilisation is common in
1. Most aquatic organisms
2. Birds and reptiles
3. Seed bearing plants
4. Many terrestrial organisms
1. Most aquatic organisms
2. Birds and reptiles
3. Seed bearing plants
4. Many terrestrial organisms
Subtopic: Events during Sexual reproduction |
77%
From NCERT
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Choose the incorrect about gemmules:
| 1. | They resist desiccation |
| 2. | They are internal buds |
| 3. | They are asexual structures which produce by binary fission |
| 4. | They can give rise to new organisms |
Subtopic: Asexual Reproduction |
53%
From NCERT
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Reproduction without actual fertilisation is called as?
1. Parthenogenesis
2. Parthenocarpy
3. Presudo-reproduction
4. All of these
1. Parthenogenesis
2. Parthenocarpy
3. Presudo-reproduction
4. All of these
Subtopic: Sexual Reproduction |
60%
From NCERT
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Reproduction without actual fertilization is called as:
1. Parthenogenesis
2. Parthenocarpy
3. Pseudo-reproduction
4. All of the above
1. Parthenogenesis
2. Parthenocarpy
3. Pseudo-reproduction
4. All of the above
Subtopic: Sexual Reproduction |
81%
From NCERT
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Select the correct statement w.r.t papaya plants.
1. They bear bisexual flowers
2. Flowers are either pistillate or staminate
3. Plants are monoecious
4. A plant bears both pistillate and staminate flowers
1. They bear bisexual flowers
2. Flowers are either pistillate or staminate
3. Plants are monoecious
4. A plant bears both pistillate and staminate flowers
Subtopic: Events during Sexual reproduction |
65%
From NCERT
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In a majority of sexually reproducing organisms, male and female gametes are
1. Motile
2. Genetically and morphologically similar
3. Genetically identical
4. Morphologically distinct types
1. Motile
2. Genetically and morphologically similar
3. Genetically identical
4. Morphologically distinct types
Subtopic: Events during Sexual reproduction |
72%
From NCERT
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The fusion of gametes occurs inside the body of all given organisms, except
1. Pteridophytes
2. Bryophytes
3. Gymnosperms
4. Most of the algae
1. Pteridophytes
2. Bryophytes
3. Gymnosperms
4. Most of the algae
Subtopic: Events during Sexual reproduction |
77%
From NCERT
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One of the main process related to pre-fertilisation events is
1. Formation of gametes
2. Embryogenesis
3. Syngamy
4. Karyogamy
1. Formation of gametes
2. Embryogenesis
3. Syngamy
4. Karyogamy
Subtopic: Events during Sexual reproduction |
84%
From NCERT
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Subtopic: Asexual Reproduction |
93%
From NCERT
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