| (i) Organism P is a unicellular green alga. |
| (ii) Organism Q is a parasitic protozoan. |
| (iii) Organism Q causes diseases in human beings. |
| (iv) Both the organisms P and Q cannot synthesise their own food. |
A) (i) and (ii) only
B) (ii), (iii) and (iv) only
C) (i), (ii) and (iii) only
D) (i), (ii), (iii) and (iv)
Correct Answer: C
Solution :
P is Chlamydomonas, a unicellular green alga that synthesise its own food. Q is Giardia, a parasitic protozoan that causes disease giardiasis in human beings.
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