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51.

Earthworm is a:

A.	Free living animal	B.	Burrowing animal
C.	Fixed animal	D.	Planktonic animal

52.

Ring-like divisions over the body of earthworm are called:

A.	Metameres	B.	Sarcomeres
C.	Blastomeres	D.	None of these

53.

Segments in earthworm are about:

A.	100 - 120	B.	40 - 50
C.	200 - 300	D.	None of these

54.

Which of these segments in earthworm bear clitellum:

A.	14, 15, 16	B.	17, 18, 19
C.	20, 21, 22	D.	33, 34, 35

55.

Pair of gonopores in earthworm are found in segment:

A.	14	B.	15
C.	16	D.	None of these

56.

Which of these segments in earthworm has pair of gonopors:

A.	18	B.	17
C.	16	D.	15

57.

Male gonopores in Pheretima are:

A.	One pair	B.	Two pairs
C.	Single	D.	None of these

58.

Female gonopores in pheretima are:

A.	One pair	B.	Two pairs
C.	Single	D.	Three pairs

59.

Copulatory papillae in earthworm are:

A.	One pair	B.	Two pairs
C.	Absent	D.	Single

60.

In earthworm the copulatory papillae are found in segments:

A.	17 and 18	B.	17 and 19
C.	18 and 19	D.	15 and 16