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31.

Archaeocytes and interstitial cells are found respectively in:

A.	Sponges and coelentrates	B.	Annelids and molluscs
C.	Molluscs and arthropods	D.	None of these

32.

Sponges have skeleton of:

A.	Spicules	B.	Spongius fibres
C.	Both (a) & (b)	D.	None of these

33.

Lion is found

A.	Only in Zoos	B.	Only in India
C.	Only in Africa	D.	Both (b) & (c)

34.

Platyhelminthes are characterized by:

A.	Absence of coelom due to development of parenchyma	B.	Totally parasitic mode of life
C.	Presence of well developed and branched intestine	D.	None of these characters

35.

All eumetazoa are:

A.	Diploblastic	B.	Triploblastic
C.	Both (a) & (b)	D.	None of these

36.

Which of the following group is not bilaterally symmetrical group of animals:

A.	Mollusca	B.	Arthropods
C.	Annelids	D.	Echinodermata

37.

In which of the following animals radial symmetry is seen:

A.	Earthworm	B.	Starfish
C.	Tape-worm	D.	Mussel

38.

Which of the following groups of animals are caracterized by "soft-body":

A.	Annelids	B.	Arthropods
C.	Molluscs	D.	Echinoderms

39.

Flame cells are characteristic of:

A.	Platyhelminthes	B.	Annelids
C.	Molluscs	D.	Arthropods

40.

Septal nephridia are found in:

A.	Earthworm	B.	Cockroach
C.	Starfish	D.	Housefly