MCQOPTIONS
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| 1. |
One of the main functions of frog's skin is [CBSE PMT 1991] |
| A. | Diffusion of respiratory gases |
| B. | Absorption of ultraviolet rays to produce vitamin D |
| C. | Storage of excess food in the form of subcutaneous fat |
| D. | Excretion of nitrogenous waste in the form of uric acid |
| Answer» B. Absorption of ultraviolet rays to produce vitamin D | |