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Which of the following statements are correct with reference to the frog ? I. Eyes are bulged and covered by nictitating membrane. II. Membranous tympanum recieves the sound signals. III. The frog never drinks water. IV. A pair of nostrils is present above the mouth.A. I and IIB. III and IVC. I and IVD. All of these |
| Answer» Correct Answer - D | |