Practice mode / Biological Molecules Specific heat of vaporization of water is: A Option A: 574 Kcal/kg B Option B: 674 Kcal/kg C Option C: 774 Kcal/kg Correct answer A. 574 Kcal/kg Show answer Report a problem How we write and check questions
Question 01 / Biological Molecules The property of water due to which it works as a temperature stabilizer and hence protect living organisms from sudden thermal changes is: A Option A: High specific heat of vaporization B Option B: High specific heat capacity C Option C: Its Dipole nature D Option D: Its liquid state Correct answer B. High specific heat capacity Show answer Open question
Question 02 / Biological Molecules The number of calories required to raise the temperature of 1g of water from 15 to 16?C is called? A Option A: Specific Heat of Vaporization B Option B: Specific Heat capacity C Option C: Caloric Heat D Option D: Both A and C Correct answer B. Specific Heat capacity Show answer Open question
Question 03 / Biological Molecules Which of the following substance is most favourable to form structural component of biological membranes? A Option A: Hydrophilic Carbohydrates B Option B: Hydrophobic fats. C Option C: Both a and b D Option D: None of these Correct answer B. Hydrophobic fats. Show answer Open question
Question 04 / Biological Molecules Which statement is true about an aqueous medium? A Option A: Ionic as well as non-ionic substances retain their identity in aqueous media. B Option B: Enzymes cannot perform catalysis in this medium. C Option C: Ions and molecules move randomly and are therefore in a more favourable state to react with other molecules and ions. D Option D: It is a less favourable medium for chemical reactions. Correct answer C. Ions and molecules move randomly and are therefore in a more favourable state to react with other molecules and ions. Show answer Open question
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