The testes in Pheretima mature earlier than the ovaries. Hence they are

hermaphrodites

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protandrous

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bisexual

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monoecious

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Solution

The correct option is B protandrous
Earthworms are bisexual or monoecious or hermaphrodites i.e both male and female reproductive organs are present in the same individual.
The testes mature earlier than the ovaries to prevent self-fertilisation. This condition is known as protandry and the organism is said to be protandrous.

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Similar questions

	Column I		Column II
A.	Protandry	(i)	Ovaries mature earlier than testes
B.	Protogyny	(ii)	Testes mature earlier than ovaries
C.	Metameric segmentation	(iii)	Scorpion
D.	Radial symmetry	(iv)	Nereis
E.	Book lungs	(v)	Aurelia

In girls, the ovaries and eggs become mature and ovaries begin to release ovum by the process of :

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