Match the following.
Column – I Column – II
(a) Amoeboid protozoans (i) Marine forms have silica shells on their surface.
(b) Flagellated protozoans (ii) Free living, parasitic, parasitic form cause diseases like sleeping sickness.
(c) Ciliated protozoans (iii) They have a cavity that opens to outside.
(d) Sporozoans (iv) They have an infectious spore like stage in their like cycle.
(a) (b) (c) (d)
1 ii i iv iii
2 iv iii ii i
3 iii ii iv i
4 i ii iii iv

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answer is D.

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Detailed Solution

Amoeboid protozoans	-	Marine forms have silica shells on their surface.
Flagellated protozoans	-	Free living, parasitic, parasitic form cause diseases like sleeping sickness.
Ciliated protozoans	-	They have a cavity that opens to outside.
Sporozoans	-	They have an infectious spore like stage in their like cycle.

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	Column – I		Column – II
(a)	Amoeboid protozoans	(i)	Marine forms have silica shells on their surface.
(b)	Flagellated protozoans	(ii)	Free living, parasitic, parasitic form cause diseases like sleeping sickness.
(c)	Ciliated protozoans	(iii)	They have a cavity that opens to outside.
(d)	Sporozoans	(iv)	They have an infectious spore like stage in their like cycle.