100+ Assertion and Reason Quiz Questions and Answers - 2
Question: 6
Assertion (A) : Tides indicate the regular and periodic rise and fall in sea level.
Reason (R) : Tides are caused by the gravitational pull of the moon and the sun.
(A) Both A and R are true but R is not the correct explanation of A.
(B) Both A and R are true and R is the correct explanation of A.
(C) A is true but R is false.
(D) A is false but R is true.
Ans: B
R explains A fully.
Question: 7
Assertion (A) : Areas near the Equator receive rainfall throughout the year.
Reason (R) : Higher temperatures and high humidity cause conventional rain in most afternoon near the Equator.
(A) Both A and R are true and R is the correct explanation of A.
(B) Both A and R are true but R is not the correct explanation of A.
(C) A is true but R is false.
(D) A is false but R is true.
Ans: A
R is the correct explanation of A.
Question: 8
Assertion (A) :An electric bulb makes a 'bang' when it is broken.
Reason (R) : The air inside the bulb rushes out immediately on breaking.
(A) Both A and R are true and R is the correct explanation of A.
(B) Both A and R are true but R is not the correct explanation of A.
(C) A is true but R is false.
(D) A is false but R is true.
Ans: C
There is a vaccum inside the electric bulb. When the bulb breaks, air rushes in at great speed from all sides to fill the vacuum, thus producing a 'bang'.
Question: 9
Assertion (A) : Cut fruits and vegetables should not be kept in open for long.
Reason (R) : Their vitamin content is ruined.
(A) Both A and R are true and R is the correct explanation of A.
(B) Both A and R are true but R is not the correct explanation of A.
(C) A is true but R is false.
(D) A is false but R is true.
Ans: A
When cut fruits and vegetables are kept in open, the vitamins in them get oxidized and remain of no use.
Question: 10
Assertion (A) : Water kept in earthen pots gets cooled in summer.
Reason (R) : Evaporation causes cooling.
(A) Both A and R are true and R is the correct explanation of A.
(B) Both A and R are true but R is not the correct explanation of A.
(C) A is true but R is false.
(D) A is false but R is true.
Ans: A
Earthen pots have pores through which water evaporates, causing cooling.
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