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Question

Statement -1: Carbon dioxide is insoluble in water.
Staement -2 Haemoglobin has a high affinity for oxygen.

A
Both the statements are true.
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B
Both the statements are false.
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C
Statement -1 is true and Statement -2 is false
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D
Statement -1 is false and Statement -2 is true
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Solution

The correct option is A Statement -1 is false and Statement -2 is true
Carbon dioxide dissolves in water as the water molecules form a cage like structure around carbon dioxide. In fact aquatic plants utilize carbon dioxide that is dissolved in water for photosynthesis.
Haemoglobin is a protein with Iron-Haeme centre due to which it binds strongly to oxygen. Each haemoglobin molecule can carry four oxygen molecules.
So, the correct answer is, Statement-1 is false and Statement-2 is true'.

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