Which of the following is not an adaptation of polar bear? (i) They have large ears. (ii) They have a very strong sense of smell. (iii) They are good swimmers. (iv) Their feet are adapted for grasping the branches of trees firmly.

• A. (i) and (ii)
• B. (ii) and (iii)
• C. (i) and (iv)
• D. (iii) and (iv)
• E. None of these