MCQ
Lungs of frog are:
- ADense spongy
- ✓Thin-walled flexible and hollow sac like
- CThick-walled inelastic and hollow sac like
- DThick-walled, inelastic solids
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| Column-$I$ (Type of Protozoans) | Column-$II$ (Examples) |
| $A$. Amoeboid protozoans | $I$. Paramecium |
| $B$. Ciliated protozoans | $II$. Plasmodium |
| $C$. Flagellated protozoa | $III$. Amoeba |
| $D$. Sporozoans | $IV$. Trypanosoma |