Students can practice the NCERT MCQ Questions for Class 6 Science Chapter 14 Water with Answers Pdf free download is available here. Revise all the concepts easily by taking help from the MCQ Questions for Class 6 Science with Answers are prepared based on the latest exam pattern. Students can refer to these Water Class 6 MCQs Questions with Answers and assess their preparation level.
Water Class 6 MCQs Questions with Answers
I. Choose the correct option.
Question 1.
How much percentage of water does a human body contains?
(a) 60%
(b) 70%
(c) 80%
(d) 90%
Answer
Answer: (b) 70%
Question 2.
Water is used for
(a) bathing
(b) cooking
(c) drinking
(d) all of these
Answer
Answer: (d) all of these
Question 3.
The water in oceans cannot be used because
(a) it is salty
(b) it is harmful
(c) it is toxic
(d) it is acidic
Answer
Answer: (a) it is salty
Question 4.
Which of the following are the sources of water?
(a) Rivers
(b) Ponds
(c) Lakes
(d) All of these
Answer
Answer: (d) All of these
Question 5.
The place where underground water comes out on the surface of earth on its own is called
(a) rainwater
(b) spring
(c) sea level
(d) glacier
Answer
Answer: (b) spring
Question 6.
Which of the following is the largest source of water?
(a) Sea
(b) Ocean
(c) Pond
(d) Lake
Answer
Answer: (b) Ocean
Question 7.
Potable water is
(a) ocean water
(b) groundwater
(c) river water
(d) pond water
Answer
Answer: (b) groundwater
Question 8.
Which is not a part of water cycle?
(a) Cloud formation
(b) Rain
(c) Drinking by animals
(d) Sun
Answer
Answer: (c) Drinking by animals
Question 9.
Which one of the following is a purest form of water?
(a) River water
(b) Groundwater
(c) Rainwater
(d) Ocean water
Answer
Answer: (c) Rainwater
Question 10.
The process of conversion of water into vapours is called
(a) transpiration
(b) evaporation
(c) condensation
(d) none of these
Answer
Answer: (b) evaporation
Question 11.
The process by which plants lose water is
(a) photosynthesis
(b) translocation
(c) transpiration
(d) transportation
Answer
Answer: (c) transpiration
Question 12.
The amount of water recommended by the UN for drinking, washing, cooking and maintaining proper hygiene is
(a) 50 litres per person per day
(b) 60 litres per person per day
(c) 70 litres per person per day
(d) 80 litres per person per day
Answer
Answer: (a) 50 litres per person per day
Question 13.
Boiling point of water is
(a) 100°C
(b) 99°C
(c) 101°C
(d) 102°C
Answer
Answer: (a) 100°C
Question 14.
The water which had escaped from the earth as vapour returns to the earth in the form of
(a) precipitation
(b) evaporation
(c) infiltration
(d) condensation
Answer
Answer: (a) precipitation
Question 15.
Heavy rains may cause
(a) floods
(b) drought
(c) rainlessness
(d) both (a) and (c)
Answer
Answer: (a) floods
Question 16.
Which is a result of condensation of water vapours?
(a) Rain
(b) Snowfall
(c) Hail
(d) Tiny water droplets
Answer
Answer: (d) Tiny water droplets
Question 17.
When we step out from an air-conditioned car, on a humid day, our spectacles becomes misty and we cannot see anything clearly. This happens due to a process known as
(a) decantation
(b) evaporation
(c) precipitation
(d) condensation
Answer
Answer: (d) condensation
II. Fill in the Blanks
Question 1.
More than ………………. of the earth’s surface is covered with water.
Answer
Answer: two-thirds
Question 2.
………………. is needed for drinking, bathing, washing our clothes and many more functions.
Answer
Answer: Water
Question 3.
About ………………. of the total earth’s water is available for use.
Answer
Answer: 0.01%
Question 4.
“Catch water where it falls” is the basic idea behind ………………. harvesting.
Answer
Answer: rainwater
Question 5.
The rivers get their water from the melting of snow lying on the peaks of snow mountains called ……………….
Answer
Answer: glaciers
Question 6.
Region below the ground which is saturated with water is known as ……………….
Answer
Answer: water table
Question 7.
The water cycle is also known as ……………….
Answer
Answer: hydrologic cycle
Question 8.
Ice, water and ………………. are the three states of same material.
Answer
Answer: gas
Question 9.
Water is considered as ………………. resource on the earth.
Answer
Answer: renewable
Question 10.
Water vapours get continuously added to atmosphere due to evaporation and ……………….
Answer
Answer: transpiration
Question 11.
The process of conversion of vapours into liquid is known as ……………….
Answer
Answer: condensation
Question 12.
Falling of rain is also called ……………….
Answer
Answer: precipitation
Question 13.
Water drops present on grass during winter morning is called ……………….
Answer
Answer: dew
Question 14.
Ocean act as a ………………. for large number of plants and animals.
Answer
Answer: habitat
Question 15.
Lack of rain causes ……………….
Answer
Answer: drought
III. True or False
Question 1.
Chemically lodestone is oxides of iron.
Answer
Answer: True
Question 2.
It is possible to obtain an isolated south pole of a magnet.
Answer
Answer: False
Question 3.
Magnetite is a natural magnet.
Answer
Answer: True
Question 4.
Magnet was discovered by Newton.
Answer
Answer: False
Question 5.
A wooden material can be magnetised.
Answer
Answer: False
Question 6.
If we break a bar magnet into two then each piece will have two poles.
Answer
Answer: True
Question 7.
Compass needle is made of a magnet.
Answer
Answer: True
Question 8.
Heat cannot destroy magnetic properties of a magnet.
Answer
Answer: False
Question 9.
There is a maximum attraction in middle of a bar magnet.
Answer
Answer: False
Question 10.
Our earth behaves as a huge magnet.
Answer
Answer: True
IV. Match the items given in column I suitably with those given in column II.
| Column I | Column II |
| 1. Ice | (a) Due to lack of rain |
| 2. Oceans | (b) Due to excess of rain |
| 3. Drought | (c) The solid form of water |
| 4. Flood | (d) Sources of saline water |
| 5. Purest form of water | (e) Present in human beings |
| 6. 70% water | (f) Are covered with ice |
| 7. 90% water | (g) Rainwater |
| 8. Poles | (h) Present in tomatoes |
| 9. Water cycle | (i) Formed during winters |
| 10. Dew | (j) Continuous movement of water in Earth’s atmosphere |
Answer
Answer:
| Column I | Column II |
| 1. Ice | (c) The solid form of water |
| 2. Oceans | (d) Sources of saline water |
| 3. Drought | (a) Due to lack of rain |
| 4. Flood | (b) Due to excess of rain |
| 5. Purest form of water | (g) Rainwater |
| 6. 70% water | (e) Present in human beings |
| 7. 90% water | (h) Present in tomatoes |
| 8. Poles | (f) Are covered with ice |
| 9. Water cycle | (j) Continuous movement of water in Earth’s atmosphere |
| 10. Dew | (i) Formed during winters |
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