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31.

Infective stage of Ascaris lumbricoides to man is:

A.	Fertilized egg prior to development	B.	Embryonated eggs
C.	Larva after third moult	D.	Larva after fourth moult

32.

In which of these sexual dimorphism is found:

A.	Ascaris	B.	Fasciola
C.	Taenia	D.	All of these

33.

Body cavity of Ascaris is:

A.	Haemocoel	B.	Coelom
C.	Pseudocoel	D.	Paracoel

34.

Moulting of second instar larva of Ascaris takes place in:

A.	Intestine	B.	Sand
C.	Blood vessel	D.	Lungs

35.

Which of these will respire anaerobically:

A.	Insects under soil	B.	Worms living in intestine
C.	Foetus inside the uterus	D.	Amoeba in stagnant water

36.

Sexual dimorphism is distinct in Ascaris because of:

A.	Pineal setae	B.	Postanal glands
C.	Buccal margins	D.	None of these

37.

Female Ascaris can be identified by the:

A.	Straight posterior end and anus	B.	Cloacal aperture
C.	Two pineal setae and cloaca	D.	Pre and postanal papillae

38.

Male and Female Ascaris respectively have:

A.	Two testes and one ovary	B.	One testes and two ovary
C.	Two testes and two ovary	D.	One testes and one ovary

39.

A pseudocoel is present in which of these:

A.	Liver-fluke	B.	Tape-worm
C.	Round-worm	D.	Earthworm

40.

Second instar larva in Ascaris is found in:

A.	Human lungs	B.	Human intestine
C.	Human liver	D.	Embryonate eggs