Tuesday, June 23, 2015

CBSE CLass 6 Science CH14 Water (MCQs)


CBSE CLass 6 Science CH14 Water (MCQs)

Q1: The process of changing water into ice is called __________.

(a) sublimation
(b) evaporation
(c) condensation
(d) precipitation

Q2: The process of falling down of water in the form of rain, snow or hail is called _________.

(a) sublimation
(b) evaporation
(c) condensation
(d) precipitation

Q3: How much water is lost approximately through transpiration by wheat plants that give us one kilogram of wheat?

(a) 5 litres
(b) 50 litres
(c) 500 litres
(d) 5000 litres

Q4: Which of the following will lead to reduction in availability of ground water?

(a) plantation
(b) rain water harvesting
(c) constructing more lakes
(d) building concrete roads

Q5: When ice water is pored into a glass, tiny water droplets of water appear on the outerside of glass due to _________.

(a) condensation
(b) evaporation
(c) sublimation
(d) transpiration

Q6: The circulation of water between ocean and land is known as the _______.

(a) oxygen cycle
(b) water cycle
(c) nitrogen cycle
(d) none of these

Q7: Water freezes at ____ to solid state called snow or ice.

(a) 0°C
(b) 10°C
(c) 25°C
(d) 100°C

Q8: The water fit for drinking is called _______.

(a) river water
(b) rain water
(c) potable water
(d) ground water

Q9: Which of the following is purest form of water?

(a) rain water
(b) sea water
(c) lake water
(d) river water

Q10: Oceans and seas cover _______ of the earth.

(a) half
(b) one third
(c) two third
(d) three fourth

1: (c) condensation
2: (d) precipitation
3: (c) 500 litres
4: (d) building concrete roads
5: (a) condensation
6: (b) water cycle
7: (a) 0°C
8: (c) potable water
9: (a) rain water
10: (c) two third

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