Class 7 Science MCQ Water A Precious Resource

Question : The total water:

(a) in the lakes and rivers of the world remains constant
(b) under the ground remains constant
(c) in the seas and oceans of the world remains constant
(d) of the world remains constant

Question : The World Water Day is on:

(a) 22nd March
(b) 23rd March
(c) 21st March
(d) 24th March

Question : Earth appears blue because:

(a) 81% of the earth’s surface is covered with water
(b) 91% of the earth’s surface is covered with water
(c) 61% of the earth’s surface is covered with water
(d) none of these

Question : Snow and ice, is present as ice caps in the form of:

(a) liquid
(b) solid
(c) gas
(d) none of these

Question : Water is present in lakes in the form of:

(a) solid
(b) liquid
(c) gas
(d) none of these

Question : The water vapour is present in the air, in the form of:

(a) solid
(b) liquid
(c) gas
(d) none of these

Question : The solid parts of the earth’s crust called:

(a) atmosphere
(b) lithosphere
(c) hydrosphere
(d) none of these

Question : To minimise the wastage of water is:

(a) wash cloth with machine
(b) wash the floor everyday.
(c) turn off taps while brushing
(d) none of these

Question : ‘Every Drop Counts’ is a slogan related to

(a) counting of drops of any liquid
(b) counting of water drops
(c) importance of counting
(d) importance of water

Question : Which of the following inhibits the seepage of rainwater into ground?

(a) A pukka floor
(b) playground
(c) Grass lawn
(d) Forest land

Question : Water and forest are:

(a) non-renewable resources
(b) water cycle
(c) renewable resources
(d) none of these

Question : River Yamuna is polluted near Delhi due to

(a) Thermal plant on its bank
(b) Water animals
(c) Addition of untreated sewage
(d) Rivers joining it

Question : The amount of water recommended by the United Nations for drinking, washing, cooking and maintaining proper hygiene per person per day is a minimum of

(a) 5 litres
(b) 15 litres
(c) 30 litres
(d) 50 litres

Question : What percent of your body weight is water?

(a) 50%
(b) 60%
(c) 70%
(d) 80%

Question : Which of the following is a way to use water economically?

(a) construction of bawris
(b) Rainwater harvesting
(c) Drip irrigation
(d) Infiltration

Question : The process of ground water getting stored between the layers of hard rock below the water table is known as

(a) Infiltration
(b) Aquifer
(c) Water table
(d) Bawri

Question : Which one of the following is the cause of the depletion of water table?

(a) Increasing population
(b) Agricultural activities
(c) Increasing industries
(d) All of these

Question : Activities which involve wastage of water are

(a) Washing
(b) Using the taps which are Leaking
(c) Bathing
(d) All of the above

Question : The process of seeping of water into the ground is called

(a) aquifer
(b) infiltration
(c) water cycle
(d) all of these

Question : People obtain ground water through:

(a) wells
(b) hand pump
(c) both (a) and (c)
(d) none of these

Question : On which of the following day is World Water Day observed

(a) 22 March
(b) 14 November
(c) 2 October
(d) 21 December

Question : People obtain ground water through:

(a) wells
(b) hand pump
(c) both (a) and (c)
(d) none of these

Question : Which of the following doesn’t show water shortage?

(a) Taps running dry
(b) Long queues for getting water
(c) Marches and protests for demand of water
(d) Three buckets of water per person per day

Question : Water is found in

(a) solid form
(b) liquid form
(c) gaseous form
(d) all of these

Question : Rainwater harvesting is one of the ways to conserve

(a) fresh water
(b) sea water
(c) potable water
(d) rainwater

Question : In which season water scarcity is most acute?

(a) Summer season
(b) Winter season
(c) Rainy season
(d) Autumn season

Question : Which Of The Following Statement Is Or Are Correct?

(a) Water is essential for the existence of life.
(b) Without water, there would be no living things on the earth.
(c) Actually about 71% of the earth’s surface is covered with water.
(d) All the above

Question : Select the one that is incorrect for vermin processing toilet.

(a) It is a new method arid has been recently tested in India.
(b) It is a novel, low water use toilet that is safe for processing of human waste
(c) In it the human excreta is treated by round worms and cockroaches
(d) In if the human excreta is completely converted to vermi-cakes

Question : The traditional way of collecting water was:

(a) bawaris
(b) well
(c) rivers
(d) none of these

Question : Plants loose water in form of

(a) Liquid
(b) Gases
(c) Snow
(d) Water vapour

Question : Water cycle does not involve which of the following?

(a) Evaporation
(b) Condensation
(c) Formation of clouds
(d) Rainwater harvesting

Question : Main source of water on earth is:

(a) rain
(b) snow
(c) glaciers
(d) all the above

Question : There is acute shortage of water due to

(a) Lack of technique to purify water
(b) Growing population and overuse
(c) Melting of ice at poles
(d) Pollution of rivers