Q. No.
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 |
Asexually produced organism inheriting all the character of parent is
| 1. | Offspring | 2. | Clone |
| 3. | Variety | 4. | Hybrid |
Binary fission is a type of
| 1. | Nuclear fragmentation |
| 2. | Vegetative propagation |
| 3. | Sexual reproduction |
| 4. | Asexual reproduction |
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