CBSE Class 7 Social – MCQ and Online Tests – Unit 5 – Water
Every year CBSE students attend Annual Assessment exams for 6,7,8,9,11th standards. These exams are very competitive to all the students. So our website provides online tests for all the 6,7,8,9,11th standards’ subjects. These tests are also very effective and useful for those who preparing for any competitive exams like Olympiad etc. It can boost their preparation level and confidence level by attempting these chapter wise online tests.
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CBSE Class 7 Social – MCQ and Online Tests – Unit 5 – Water
Question 1.
Which day of the year is celebrated as Water Day?
(a) 26 January
(b) 15 January
(c) 15 August
(d) 22 March
Answer
Answer: (d) 22 March
Question 2.
The largest Tsunami wave travels at the speed of
(a) more than 700 km per hour
(b) more than 500 km per hour
(c) more than 250 km per hour
(d) more than 100 km per hour
Answer
Answer: (a) more than 700 km per hour
Question 3.
Which one of the following is an artificial enclosure for keeping small house plants?
(a) Terrarium
(b) Thermosphere
(c) Climate
(d) Evaporation
Answer
Answer: (a) Terrarium
Question 4.
Sea water contains
(a) 97.3% of salt
(b) 2% of salt
(c) 0.68% of salt
(d) 0.973% of salt
Answer
Answer: (a) 97.3% of salt
Question 5.
Which is the process through which water continuously changes its form?
(a) Water cycle
(b) Food cycle
(c) Rain
(d) All of these
Answer
Answer: (a) Water cycle
Question 6.
The rhythmic rise and fall of ocean water twice in a day is known as
(a) tide
(b) wave
(c) ocean current
(d) none of these
Answer
Answer: (a) tide
Question 7.
The movements that occur in oceans can be broadly called
(a) wave
(b) circulation
(c) water cycle
(d) all of these
Answer
Answer: (b) circulation
Question 8.
Which is the Japanese word which means ‘Harbour Waves’?
(a) Tsunami
(b) Sea wave
(c) Ocean wave
(d) None of these
Answer
Answer: (a) Tsunami
Question 9.
When did Tsunami strike the Indian ocean?
(a) 26 December, 2004
(6) 26 December, 2005
(c) 26 December, 2006
(d) 26 December, 2007
Answer
Answer: (a) 26 December, 2004
Question 10.
Which water is salty?
(a) River water
(b) Pond water
(c) Rain water
(d) Sea water
Answer
Answer: (d) Sea water
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