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11.

Which of the following is not a non-chordate:

A.	Silver-fish	B.	Cuttle-fish
C.	Cray-fish	D.	Hag-fish

12.

Spider makes its web from the fluid that comes out of its:

A.	Mouth	B.	Legs
C.	Salivary glands	D.	Posterior part of abdomen

13.

In binomial nomenclature, name of animals is written in two words which designate:

A.	Order and family	B.	Family and genus
C.	Species and variety	D.	Genus and family

14.

Which of the following group of animals has porous body:

A.	Protozoa	B.	Cnidaria
C.	Echinodermata	D.	Porifera

15.

Which of the following characters established the living nature of sponges:

A.	Skeleton	B.	Diploblastic body
C.	Water current through the body	D.	None of these

16.

Which of the following is acoelomate phylum:

A.	Platyhelminthes	B.	Nematoda
C.	Arthropoda	D.	Echinodermata

17.

Which of the following is a group of pseudocoelomates:

A.	Annelida	B.	Arthropoda
C.	Mollusca	D.	Nematoda

18.

Most important character of group Arthropoda is that they have:

A.	3 parts of legs	B.	Jointed legs
C.	Shell over the body	D.	None of these

19.

Binomial system of nomenclautre was introduced by:

A.	Cuvier	B.	Lamarck
C.	Aristotle	D.	Linnaeus

20.

Which of the following is a true fish:

A.	Cuttle-fish	B.	Silver-fish
C.	Jelly-fish	D.	Seahorse