Explore topic-wise MCQs in Assertion and Reason.

This section includes 161 Mcqs, each offering curated multiple-choice questions to sharpen your Assertion and Reason knowledge and support exam preparation. Choose a topic below to get started.

101.

Assertion (A) : Tamil Nadu gets most of the rainfall in winter. Reason (R) : Tamil Nadu gets rainfall from retreating monsoons.

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. Both A and R are false
Answer» B. Both A and R are true but R is NOT the correct explanation of A.
Discussion
102.

Assertion (A) : Graphite is slippery and used as a lubricant. Reason (R) : Graphite has free electrons.

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. Both A and R are false
Answer» C. A is true but R is false.
Discussion
103.

Assertion (A) : In India, the judiciary is independent of the executive. Reason (R) : Judiciary favours the government and helps in the implementation of its plans.

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.
Answer» D. A is false but R is true.
Discussion
104.

Assertion (A) : Increase in carbon dioxide would melt polar ice. Reason (R) : Global temperature would rise.

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.
Answer» B. Both A and R are true but R is NOT the correct explanation of A.
Discussion
105.

Assertion (A) : The steam engine was invented by James Watt. Reason (R) : There was a problem of taking out water from flooded mines.

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.
Answer» B. Both A and R are true but R is NOT the correct explanation of A.
Discussion
106.

Assertion(A) : Most of the Himalayan rivers are perennial. Reason(R) : They are fed by melting snow.

A. R correctly explains A
B. R is true but A is fale
C. A is true but R is false
D. Both A and R are false
Answer» B. R is true but A is fale
Discussion
107.

Assertion (A) : Bangladesh imports jute from India. Reason (R) : Bangladesh has most of the jute mills.

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. Both A and R are false.
D. A is false but R is true.
Answer» D. A is false but R is true.
Discussion
108.

Assertion(A) : Indus valley people knew the art of navigation. Reason(R) : Indus valley seals indicate prevalence of overseas trade.

A. R is true but A is fale
B. A is true but R is false
C. Both A and R are false
D. R correctly explains A
Answer» E.
Discussion
109.

Assertion(A) : The pouring of kerosene oil on stagnant pools helps to eradicate malaria. Reason(R) : The kerosene oil is poisonous for the mosquitoes.

A. R correctly explains A
B. R is true but A is fale
C. A is true but R is false
D. Both A and R are false
Answer» D. Both A and R are false
Discussion
110.

Assertion(A) : The steam engine was invented by James Watt. Reason(R) : There was a problem of taking out water from flooded mines.

A. R correctly explains A
B. R is true but A is fale
C. A is true but R is false
D. Both A and R are false
Answer» B. R is true but A is fale
Discussion
111.

Assertion (A) : Clothes are not washed properly in hard water. Reason (A) : Hard water contains many minerals.

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.
Answer» C. A is true but R is false.
Discussion
112.

Assertion (A) : Red colour of blood is due to haemoglobin. Reason (R) : Haemoglobin is a red pigment.

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.
Answer» B. Both A and R are true but R is NOT the correct explanation of A.
Discussion
113.

Assertion: Mr. P got Nobel Prize for Peace last year. RI. Throughout his life, Mr. P worked for the welfare of the poor and upliftment of down-trodden without any selfish motives. RII. Mr. P wrote many books on peace.

A. Only RI and not RII is the reason for the assertion.
B. only RII and not RI is the reason for the assertion.
C. either RI or RII, but not both, is the reason for the assertion.
D. neither RI nor RII is the reason for the assertion.
Answer» B. only RII and not RI is the reason for the assertion.
Discussion
114.

Assertion: Insatiably curious children usually grow up to be genius. RI. They ask so many questions that they learn about most of the things much earlier than an average child. RII. Only a genius mind is full of curiosity.

A. Only RI and not RII is the reason for the assertion.
B. only RII and not RI is the reason for the assertion.
C. either RI or RII, but not both, is the reason for the assertion.
D. neither RI nor RII is the reason for the assertion.
Answer» B. only RII and not RI is the reason for the assertion.
Discussion
115.

Assertion: If a cat crosses one's path, it is a bad omen. RI. It is believed that cat brings bad luck. RII. Many people had accidents after a cat crossed their path.

A. Only RI and not RII is the reason for the assertion.
B. only RII and not RI is the reason for the assertion.
C. either RI or RII, but not both, is the reason for the assertion.
D. neither RI nor RII is the reason for the assertion.
Answer» C. either RI or RII, but not both, is the reason for the assertion.
Discussion
116.

Assertion: Most of the people in metropolitan cities lead an extremely busy life. RI. They are interested in earning lots of money at the earliest. RII. Having more than one source of income is keeping these people busy.

A. Only RI and not RII is the reason for the assertion.
B. only RII and not RI is the reason for the assertion.
C. either RI or RII, but not both, is the reason for the assertion.
D. both RI and RII are the reason for the assertion.
Answer» E.
Discussion
117.

Assertion(A) : The steam engine was invented by James Watt. Reason (R) : There was a problem of taking out water from flooded mines

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.
Answer» B. Both A and R are true but R is NOT the correct explanation of A.
Discussion
118.

Assertion: In the Indian film festival, many awards have been given to Hindi movies. RI. Judges of film festivals know the Hindi language better than any other regional language. RII. Hindi is a national language.

A. Only RI and not RII is the reason for the assertion.
B. only RII and not RI is the reason for the assertion.
C. either RI or RII, but not both, is the reason for the assertion.
D. neither RI nor RII is the reason for the assertion.
Answer» E.
Discussion
119.

Assertion: Students are showing great interest in taking their degrees from U.K. Universities with regard to management studies. RI. U.K. Universities have proved to be the best in grooming students for a career in management. RII. Other countries cannot provide the facilities for management courses as U.K. Universities provide.

A. Only RI and not RII is the reason for the assertion.
B. only RII and not RI is the reason for the assertion.
C. either RI or RII, but not both, is the reason for the assertion.
D. both RI and RII are the reason for the assertion.
Answer» E.
Discussion
120.

Assertion (A) : Inside the earth metals are present in molten state. Reason (R) : Earth absorbs the sun's rays.

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.
Answer» D. A is false but R is true.
Discussion
121.

Assertion (A) : Leakages in household gas cylinders can be detected. Reason (R) : LPG has a strong smell.

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.
Answer» D. A is false but R is true.
Discussion
122.

Assertion (A) : An atom is neutral despite the charged particles in it. Reason (R) : The neutrons do not have any charge.

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.
Answer» C. A is true but R is false.
Discussion
123.

Assertion (A) : Carbon dioxide turns lime water milky. Reason (R) : Carbon dioxide sullies the water.

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.
Answer» D. A is false but R is true.
Discussion
124.

Assertion (A) : In India, people elect their own representatives. Reason (R) : India is a democracy.

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.
Answer» B. Both A and R are true but R is NOT the correct explanation of A.
Discussion
125.

Assertion (A) : Bats can fly in the night. Reason (R) : Bats emit ultrasonics.

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.
Answer» B. Both A and R are true but R is NOT the correct explanation of A.
Discussion
126.

Assertion (A) : Gandhiji withdrew the non-cooperation movement Reason (R) : There was violence at the Chauri Chaura outrage

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.
Answer» B. Both A and R are true but R is NOT the correct explanation of A.
Discussion
127.

Assertion(A) : A little gap is left between iron rails. Reason (R) : Iron expands in summer.

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.
Answer» B. Both A and R are true but R is NOT the correct explanation of A.
Discussion
128.

Assertion (A) : In India, females have higher life expectancy than the males. Reason (R) : Females receive a better diet.

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. Both A and R are false.
Answer» E.
Discussion
129.

Assertion (A) : Appendix is a vestigial organ in human body. Reason (R) : It does not participate in digestion.

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 true but R is false.
Answer» B. Both A and R are true but R is NOT the correct explanation of A.
Discussion
130.

Assertion (A) : Silver is not used to make electric wires. Reason (R) : Silver is a bad conductor.

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.
Answer» D. A is false but R is true.
Discussion
131.

Assertion (A) : Shivaji developed the guerilla warfare. Reason (R) : Shivaji feared the Mughals.

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.
Answer» D. A is false but R is true.
Discussion
132.

Assertion (A) : Mohammad-bin-Tughluq is called the 'wisest fool'. Reason (R) : He had wise plans but implemented them foolishly.

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.
Answer» B. Both A and R are true but R is NOT the correct explanation of A.
Discussion
133.

Assertion (A) : The Indian Constitution came into force with effect from 26th January. 1950. Reason (R) : 26th January is celebrated as the Republic Day.

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.
Answer» C. A is true but R is false.
Discussion
134.

Assertion (A) : Razia Sultan was the daughter of Iltutmish. Reason (R) : Iltutmish was a rebel.

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.
Answer» D. A is false but R is true.
Discussion
135.

Assertion (A) : Weeds should not be allowed to grow along with the crops. Reason (R) : Weeds leave no space for plants to grow.

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.
Answer» D. A is false but R is true.
Discussion
136.

Assertion(A) : In India, the judiciary is independent of the executive. Reason (R) : Judiciary favours the government and helps in the implementation of its plans.

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.
Answer» D. A is false but R is true.
Discussion
137.

Assertion (A) : We feel colder on mountains than on plains. Reason (R) : Temperature decreases with altitude.

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.
Answer» B. Both A and R are true but R is NOT the correct explanation of A.
Discussion
138.

Assertion (A) : a Vaccines prevent diseases. Reason (R) : Vaccines must be given to children.

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.
Answer» C. A is true but R is false.
Discussion
139.

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.
Answer» B. Both A and R are true but R is NOT the correct explanation of A.
Discussion
140.

Assertion (A) : When the bus starts, the person inside it falls forward. Reason (R) : The bus pushes the man forward.

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. Both A and R are false.
Answer» E.
Discussion
141.

Assertion (A) : Himalayas once laid under the sea. Reason (R) : Fossils of marine creatures are traced on the Himalayas.

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.
Answer» B. Both A and R are true but R is NOT the correct explanation of A.
Discussion
142.

Assertion (A) : Most of the Himalayan rivers are perennial. Reason (R) : They are fed by melting snow.

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.
Answer» B. Both A and R are true but R is NOT the correct explanation of A.
Discussion
143.

Assertion (A) : Legumes revive the soil fertility. Reason (R) : Microbes in the root nodules of legumes fix the atmospheric nitrogen.

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.
Answer» B. Both A and R are true but R is NOT the correct explanation of A.
Discussion
144.

Assertion(A) : Graphite is slippery and used as a lubricant. Reason (R) : Graphite has free electrons.

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.
Answer» C. A is true but R is false.
Discussion
145.

Assertion (A) : We feel comfortable in hot and humid climate. Reason (R) : Sweat evaporates faster in humid climate

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. Both A and R are false.
Answer» E.
Discussion
146.

Assertion(A) : Tamil Nadu gets most of the rainfall in winter. Reason (R) : Tamil Nadu gets rainfall from retreating monsoons.

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.
Answer» B. Both A and R are true but R is NOT the correct explanation of A.
Discussion
147.

Assertion (A) : We prefer to wear white clothes in winter. Reason (R) : White clothes are good reflectors of heat.

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.
Answer» E.
Discussion
148.

Assertion(A) : Increase in carbon dioxide would melt polar ice. Reason (R) : Global temperature would rise

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.
Answer» B. Both A and R are true but R is NOT the correct explanation of A.
Discussion
149.

Assertion (A) : a Leaves of plants are green. Reason (R) : Plants contain chromoplasts, the green pigment.

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.
Answer» D. A is false but R is true.
Discussion
150.

Assertion (A) : There is no vaccine for AIDS. Resson (R) : The AIDS virus changes its genetic code

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.
Answer» B. Both A and R are true but R is NOT the correct explanation of A.
Discussion