| Column I (Structure of Earthworm) | Column II (Its location) | ||
| A. | Pairs of testis | 1. | 10th and 11th segment |
| B. | Pairs of seminal vesicles | 2. | 17th and 19th segment |
| C. | Pair of ovary | 3. | 13th segment |
| D. | Accessory gland | 4. | 11th and 12th segment |
A) A-1, B-4, C-3, D-2
B) A-2, B-4, C-3, D-1
C) A-4, B-1, C-3, D-2
D) A-2, B-3, C-1, D-4
Correct Answer: A
Solution :
Earthworm is hermaphrodite, so it has both testis and ovary. In earthworm, the fertilisation is external and cross (fertilisation). Testis mature earlier.
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