

MCQOPTIONS
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1. |
The reason for extinction of animals is: |
A. | Adaptation |
B. | Climatic change. |
C. | The rate of contraction increases as osmolarity decreases because amount of water entering X by osmosis increases. |
D. | Deficiency of carbon dioxide |
E. | None of these |
Answer» C. The rate of contraction increases as osmolarity decreases because amount of water entering X by osmosis increases. | |