NEET2009ZoologyStructural Organisation in AnimalsActual
Which one of the following correctly describes the location of some body parts in the earthworm pheretima?
Options
- ATwo pairs of accessory glands in 16-18 segments
- BFour pairs of spermathecae in 4-7 segments
- COne pair of ovaries attached at intersegmental septum of 14^ th and 15^ th segments
- DTwo pairs of testes in 10^ th and 11^ th segments
Correct answer
D. Two pairs of testes in 10^ th and 11^ th segments
Step-by-step solution
In earthworm, two pairs of testes are found in 10^ th and 11^ th segments, accessory glands in 17^ th and 19^ th segments, four pairs of spermatheca from 6^ th -9^ th segment and one pair of ovarises in 13^ th segment.