Question

Man does not live on food alone. Water is vital for human health and fitness. Although it is not a nutrient per se as are carbohydrates , fats, proteins, vitamins and minerals. It ,in fact, is a key nutrient as no life is possible without it. We can do without food for weeks but we cannot live without water longer than a couple of days. Water approximates 60% of the body weight of human adults. Water is an excellent solvent, It dissolves varied products of digestion and transports them to the rest of the body. Likewise, it dissolves diverse metabolic wastes and helps drain them out of the body. Water also distribute/ dissipate the body heat efficiently, thereby regulating body's temperature. Water accomplishes this role ideally because it has high thermal conductivity ensuring rapid heat transfer from one part to another. Drinking a lot of water is an inexpensive way to stay healthy. Even excess of water is harmless. Water therapy - drinking a litre or so the first thing in the morning is kidney friendly.
The water regulation in the body is affected by hypothalamus in two ways i.e., by creating the sensation of thirst which makes us drink water and by controlling the excretion of water as urine. If water regulation fails, medical emergency ensues.
(i)The percentage of water content in a human body is ----
1 point
60%
80%
70%
(ii) ---is an inexpensive component and helps us to stay healthy.
1 point
Minerals
Vitamins
Water
(iii) Water is called a key nutrient because
1 point
it dissolves different products of digestion.
no life is possible without it.
dissipates the body heat.
(iv) Thermal conductivity ensures
1 point
dissolves food easily
raises temperature of the body.
rapid heat transfer from one part to another.
(v) Water is essential for health because
1 point
man cannot live by food alone.
we cannot live without water for long.
controls thirst and excretion of water.
(vi) Water is an ideal constituent of the body fluids because--
1 point
it is an excellent solvent
it drains wastes out of the body.
it dissolves food easily.
(vii) Which word in the passage is an antonym of 'harmful'
1 point
harmless
excess
therapy
(viii) The word 'regulation' in the last line means
1 point
Official rule
control
diverse
(ix) Find the word in the passage which is the opposite of 'similar'
1 point
dissipate
diverse
sustain
(x) Which of the following statements is not true ?
1 point
Water regulates body temperature.
Excess water is not harmless..
Excess water is not harmful..
Other:
(xi) Which activity is considered as water therapy ?
1 point
Rapid heat transfer from one part to another.
Drinking a litre of water in the morning.
Water regulating body's temperature..
(xii) Which of the following is possibly the most appropriate title for the above passage ?
1 point
Importance of water in life
Misuse of water
Water Scarcity

Answer 1

Answer:

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