Question

1. Man cannot live for more than a couple of days
a) without food
b) without water c) without oxygen d) without fruits
2. Water is an excellent solvent because
a) It regulates excretion of urine
b) It dissolves metabolic wastes
c) It drains wastes out of the body
d) More substances are soluble in it than in any other liquid.
3. The high thermal conductivity of water helps to
a) Dissolve food
b) Dissolve metabolic wastes c) Regulate body temperature

d) Sustain life-supporting chemical reaction
4. The total amount of water in a man weighing 70 kg is
a) Approximately 70 litres b) Approximately 60 litres c) Approximately 40 litres d) Approximately 50 litres
5. High specific-heat of water means
a) It has high thermal conductivity
b) It takes less heat to raise its temperature c) It takes more heat to raise its temperature d) It distributes the body heat efficiently
6. Drinking a litre of water in the morning is called
a) Hypothalamus b) water regulation c) kidney therapy d) water therapy

Answer 1

Answer:

1) - c)

2) - d)

3) - c)

4) - a)

5) - d)

6) - a)