Grafting is impossible in monocot-because
1.Vascular bundles are scattered
2.Meristemis absent
3.Collateralopen vascular bundle
4. Radial vascular bundle

Subtopic:  Asexual Reproduction |
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Name the fungus which is shown in the figure

1. Conidia
2. Penicillium
3. Algae
4. Zoospore

Subtopic:  Asexual Reproduction |
From NCERT
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Identify X

1. Stem
2. Runner
3. Offset
4. Bud

Subtopic:  Asexual Reproduction |
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Identify A and B

 

1. A-Archegoniphore, B-Anthediophore
2.A- Anthediophore, B- Archegoniphore
3. A-Anthridium, B-Style
4. A-Ovary, B-Blastopore

Subtopic:  Events during Sexual reproduction |
 88%
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Identify A and B

1. A- Antheridium, B-Oogonium
2. A-Oogonium, B- Antheridium
3. A-Ovary, B- Endosperm
4. A- Ovary, B-Seed

Subtopic:  Events during Sexual reproduction |
 84%
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Organism in which both male and female gametes are motile are
1. Algae
2. Fungi
3. Fish
4. Both 1 and 2

Subtopic:  Events during Sexual reproduction |
 82%
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The most vital event of sexual reproduction is perhaps the fusion of gametes. This process called _________ results in the formation of a diploid _________.
1. Syngamy, Zygote
2. Fertilization, Zygote
3. Copulation, Foetus
4. Both 1 and 2 are true

Subtopic:  Events during Sexual reproduction |
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Birds like turkey undergo _________ to produce offspring.
1. Sexual reproduction
2. Asexual reproduction
3. Parthenogenesis
4. Lay egg

Subtopic:  Events during Sexual reproduction |
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Small aquatic animals produce large number of gametes in surrounding water
1. to enhance the chances of syngamy
2. to produce large number of offspring
3. offspring are extremely vulnerable to predators threatening their survival
4. Both 1 and 3

Subtopic:  Events during Sexual reproduction |
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Every sexually reproducing organism, including human beings begin life as a _________ called zygote.
1. Single cell
2. Double cell one from each parent
3.Blastopore
4. Megaspore

Subtopic:  Events during Sexual reproduction |
 87%
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