(A) Earthworms are hermaphrodites and perform cross-fertilization. During copulation,two earthworms come together and attach their ventral surfaces in

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(A) Earthworms are hermaphrodites and perform cross-fertilization. During copulation,two earthworms come together and attach their ventral surfaces in opposite directions. This process involves the exchange of sperms between the two individuals. The entire process of copulation in earthworms typically lasts for about $1$ hour.

Class 11 Biology Structural Organisation in Animals Anatomy of Earthworm

Easy

The copulation period of an Earthworm is:

A
One hour
B
Two hours
C
Four hours
D
About one week

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Structural Organisation in Animals

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Anatomy of Earthworm

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The copulation period of an Earthworm is:

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Assertion : Typhlosole increases the effective area of absorption in the intestine.Reason : Typhlosole,present in the intestine,is the characteristic feature of cockroach.

Blood from the seminal vesicles and reproductive organs is collected by the ..........

Select the correct option regarding blood plasma/fluid for humans and earthworms.

What are worm castings?

In $Pheretima$,lymph glands produce:

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Assertion : Typhlosole increases the effective area of absorption in the intestine.
Reason : Typhlosole,present in the intestine,is the characteristic feature of cockroach.