The property of water due to which it works as a temperature stabilizer and hence protect living organisms from sudden thermal changes is_______________?
Correct answer: B. High specific heat capacity
- A. High specific heat of vaporization
- B. High specific heat capacity
- C. Its Dipole nature
- D. Its liquid state
Explanation
Water has a high specific heat capacity, so it absorbs or releases considerable heat with only a small change in its own temperature. This buffers sudden thermal changes in cells and organisms. Students often choose high specific heat of vaporization, which refers to the heat needed to convert water into vapour and mainly explains cooling by sweating or transpiration.
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About Biological Importance of Water
Water supports life through its polarity, hydrogen bonding and ability to dissolve ionic and polar substances. Its high specific heat, heat of vaporization, cohesion, adhesion and incompressibility help regulate temperature, transport materials and maintain structure, while hydrolysis and osmosis depend directly on water.
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