Phylum Coelenterata

Which of the following pairs are correctly matched?

	Animals	Morphological features
A.	Crocodile	4-chambered heart
B.	Sea urchin	Parapodia
C.	Obelia	Metagenesis
D.	Lemur	Thecodont

1. A, C, and D

2, B, C, and D

3. Only A and D

4. Only A and B

Metagenesis refers to?

1.	The presence of different morphic forms
2.	Alternation of generation between asexual and sexual phases of an organism
3.	Occurrence of a drastic change in the form during post-embryonic development
4.	Presence of a segmented body and parthenogenic mode of reproduction

Match the following

	List-I		List-II
(a)	Physalia	i.	Pearl oyster
(b)	Limulus	ii.	Portuguese Man of War
(c)	Ancylostoma	iii.	Living fossil
(d)	Pinctada	iv.	Hookworm

Choose the correct answer from the options given below:

Options:	(a)	(b)	(c)	(d)
1.	ii	iii	iv	i
2.	i	iv	iii	ii
3.	ii	iii	i	iv
4.	iv	i	iii	ii

Read the following statements.

(a)	Metagenesis is observed in Helminths.
(b)	Echinoderms are triploblastic and coelomate animals.
(c)	Round worms have organ-system level of body organization.
(d)	Comb plates present in ctenophores help in digestion.
(e)	Water vascular system is characteristic of Echinoderms.

Choose the correct answer from the options given below:

1. (a), (d) and (e) are correct

2. (b), (c) and (e) are correct

3. (c), (d) and (e) are correct

4. (a), (b) and (c) are correct

Match List-I with List-II.

	List-I		List-II
A.	Taenia	I.	Nephridia
B.	Paramoecium	II.	Contractile vacuole
C.	Periplaneta	III.	Flame cells
D.	Pheretima	IV.	Urecose gland

Choose the correct answer from the options given below:

Options:	A	B	C	D
1.	II	I	IV	III
2.	I	II	III	IV
3.	I	II	IV	III
4.	III	II	IV	I