Which one of the following statements is not correct?
| 1. | Offspring produced by asexual reproduction is called clone |
| 2. | Microscopic motile asexual reproductive structures are called zoospores |
| 3. | In potatoes, bananas, and ginger, the plantlets arise from the internodes present in the modified stem |
| 4. | Water hyacinth growing in standing water drains oxygen from water that leads to the death of fish |
Offsets are produced by:
| 1. | Meiotic divisions |
| 2. | Mitotic divisions |
| 3. | Parthenocarpy |
| 4. | Parthenogenesis |
Which one of the following generates new genetic combinations leading to variation?
1. Vegetative reproduction
2. Parthenogenesis
3. Sexual reproduction
4. Nucellar polyembryony
Match Column I with column II and select the correct option using the codes given below:
|
|
Column I |
|
Column II |
|
A. |
Pistils fused together |
1. |
Gametogenesis |
|
B. |
Formation of gametes |
2. |
Pistillate |
|
C. |
Hyphae of higher ascomycetes |
3. |
Syncarpous |
|
D. |
Unisexual female flower |
4. |
Dikaryotic |
Codes:
|
|
A |
B |
C |
D |
|
(1) |
4 |
3 |
2 |
1 |
|
(2) |
2 |
1 |
4 |
3 |
|
(3) |
1 |
2 |
4 |
3 |
|
(4) |
3 |
1 |
4 |
2 |