

MCQOPTIONS
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1. |
Which of the following animals breathe through gills? (i) (ii) (iii) (iv) |
A. | (iv) only |
B. | Only (i) and (iii) |
C. | |
D. | Only (i), (ii) and (iii) |
Answer» D. Only (i), (ii) and (iii) | |