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Reasoning Aptitude

ASSERTION AND REASON MCQs

Assertion And Reason

Total Questions : 239 | Page 6 of 24 pages
Question 51.

choose the correct alternative from the following :

Assertion (A) : Food materials should not be soaked in water for a long time.

Reason (R) :  Washing leads to loss of Vitamin A and Vitamin D from the foodstuff.


  1.    Both A and R are true and R is the correct explanation of A.
  2.    Both A and R are true but R is not the correct explanation of A.
  3.    A is true but R is false.
  4.    A is false but R is true.
  5.    Both A and R are false.
 Discuss Question
Answer: Option C. -> A is true but R is false.

Food materials should not be soaked in water for long since washing lead* to loss

of water soluble Vitamin B and Vitamin C.


Question 52.

choose the correct alternative from the following :

Assertion (A) : Buddha left home after his marriage.

Reason (R) : He wished to be free of all worldly ties and become an ascetic.


  1.    Both A and R are true and R is the correct explanation of A.
  2.    Both A and R are true but R is not the correct explanation of A.
  3.    A is true but R is false.
  4.    A is false but R is true.
  5.    Both A and R are false.
 Discuss Question
Answer: Option A. -> Both A and R are true and R is the correct explanation of A.

Buddha left home even after his marriage because he wished to free himself of all

worldly ties and bocome an ascetic.


Question 53.

choose the correct alternative from the following :

Assertion (A) : Most of the ancient civilisations grew near the rivers.

Reason (R) : The main occupation of man was agriculture.


  1.    Both A and R are true and R is the correct explanation of A.
  2.    Both A and R are true but R is not the correct explanation of A.
  3.    A is true but R is false.
  4.    A is false but R is true.
  5.    Both A and R are false.
 Discuss Question
Answer: Option B. -> Both A and R are true but R is not the correct explanation of A.

Most ancient civilisations grew near the rivers, because of fertile land and availability

of water necessary for agriculture, the main occupation of man.


Question 54.

choose the correct alternative from the following :

Assertion (A) : In the upper course, the main work of the river is erosion.

Reason (R) : River flows swiftly in the upper course.


  1.    Both A and R are true and R is the correct explanation of A.
  2.    Both A and R are true but R is not the correct explanation of A.
  3.    A is true but R is false.
  4.    A is false but R is true.
  5.    Both A and R are false.
 Discuss Question
Answer: Option A. -> Both A and R are true and R is the correct explanation of A.

 In its upper course, the river rushes down a steep slope and so flows swiftly, causing

mainly erosion in this region.


Question 55.

choose the correct alternative from the following :

Assertion (A) :  Pluto is the coldest planet.

Reason (R) : It receives slanting rays of the sun.


  1.    Both A and R are true and R is the correct explanation of A.
  2.    Both A and R are true but R is not the correct explanation of A.
  3.    A is true but R is false.
  4.    A is false but R is true.
  5.    Both A and R are false.
 Discuss Question
Answer: Option C. -> A is true but R is false.

Pluto, being faxthest from the sun, hardly gets the sun's rays. So, Pluto is the coldest

planet.


Question 56.

choose the correct alternative from the following :

Assertion  (A) : Safety fuses are made up of materials having a high melting point.

 Reason (R) : Safety fuses should be resistant to electric current.


  1.    Both A and R are true and R is the correct explanation of A.
  2.    Both A and R are true but R is not the correct explanation of A.
  3.    A is true but R is false.
  4.    A is false but R is true.
  5.    Both A and R are false.
 Discuss Question
Answer: Option E. -> Both A and R are false.

Safety fuses are made up of materials having a low melting point so that when

excess current flows through the circuit, the fuse melts breaking the circuit and thus

prevents appliances.


Question 57.

choose the correct alternative from the following :

Assertion : Pressure cookers are fitted with ebonite handles.

Reason (R) : Ebonite is strong.


  1.    Both A and R are true and R is the correct explanation of A.
  2.    Both A and R are true but R is not the correct explanation of A.
  3.    A is true but R is false.
  4.    A is false but R is true.
  5.    Both A and R are false.
 Discuss Question
Answer: Option C. -> A is true but R is false.

 The handles of pressure cookers are made of ebonite because it being a bad conductor

of heat, does not heat up.


Question 58.

choose the correct alternative from the following :

Assertion (A) : India is a democratic country.

Reason (R) : India has a Constitution of its own.


  1.    Both A and R are true and R is the correct explanation of A.
  2.    Both A and R are true but R is not the correct explanation of A.
  3.    A is true but R is false.
  4.    A is false but R is true.
  5.    Both A and R are false.
 Discuss Question
Answer: Option B. -> Both A and R are true but R is not the correct explanation of A.

 India is a democratic country because its government is the government of the people.

for the people and by the people. It is also true that India has its own Constitution.


Question 59.

choose the correct alternative from the following :

Assertion (A) : Water kept in earthen pots gets cooled in summer.

Reason (R) : Evaporation causes cooling.


  1.    Both A and R are true and R is the correct explanation of A.
  2.    Both A and R are true but R is not the correct explanation of A.
  3.    A is true but R is false.
  4.    A is false but R is true.
  5.    Both A and R are false.
 Discuss Question
Answer: Option A. -> Both A and R are true and R is the correct explanation of A.

Earthen pots have pores through which water evaporates, causing cooling.


Question 60.

choose the correct alternative from the following :

Assertion (A) : Eskimos reside in igloos.

Reason (R) : No other material except snow is available.


  1.    Both A and R are true and R is the correct explanation of A.
  2.    Both A and R are true but R is not the correct explanation of A.
  3.    A is true but R is false.
  4.    A is false but R is true.
  5.    Both A and R are false.
 Discuss Question
Answer: Option C. -> A is true but R is false.

Eskimos live in 6now houses called igloos because snow, being a bad conductor of

heat, these houses are warm inside.


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