Q. No.Which are the various stages of sexual reproduction?
1.
Growth, Development, Differentiation
2.
Pre fertilization, Fertilization, Post fertilization
3.
Fertilization, Post Fertilization, Pre Fertilization
4.
Gametogenesis, Gamete transfer, Gamete Fertilization
Identify A and B
1. A-Archegoniphore, B-Anthediophore
2. A- Anthediophore, B- Archegoniphore
3. A-Anthridium, B-Style
4. A-Ovary, B-Blastopore
Identify A and B
1. A- Antheridium, B-Oogonium
2. A-Oogonium, B- Antheridium
3. A-Ovary, B- Endosperm
4. A- Ovary, B-Seed
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 A and B are true
Birds like turkey undergo _________ to produce offspring.
| 1. | Sexual reproduction |
| 2. | Asexual reproduction |
| 3. | Parthenogenesis |
| 4. | Lay egg |
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 A and C |
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 |
Vegetative phase in plants is same as ___________ in animal.
| 1. | Sexual phase | 2. | Juvenile phase |
| 3. | Reproductive phase | 4. | Syngamy phase |
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