 
			 
			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) | |