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Reasoning Aptitude

ASSERTION AND REASON MCQs

Assertion And Reason

Total Questions : 239 | Page 5 of 24 pages
Question 41.

choose the correct alternative from the following :

Assertion (A) :  Africa has one of the largest water power potential in the world.

Reason (R) :  A large number of hydel power projects have been constructed in Africa.


  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.


Question 42.

choose the correct alternative from the following :

Assertion (A) : Goitre is a common disease in mountainous regions.

Reason (R) : The diet of the people in mountains lacks iodine content.


  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.

Goitre is commonly caused in mountainous regions because goitre is caused by deficiency

of iodine and diet in mountainous areas lacks iodine.


Question 43.

choose the correct alternative from the following :

Assertion (A) : Roughage prevents constipation.

Reason (R) : Roughage adds bulk to the food.


  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.

Roughage adds bulk to the food and makes its passage through the stomach easier,

thus preventing constipation.


Question 44.

choose the correct alternative from the following :

Assertion (A) : India has a tropical monsoon type climate.

Reason (R) : India is located exactly between the tropical latitudes.


  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.


Question 45.

choose the correct alternative from the following :

Assertion (A) : Sprouting should not be done before consuming the grains.

Reason (R) : Sprouting kills many vital vitamins.


  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.

Sprouted grains should be consumed because sprouting enhances the nutrient content

of the grains.


Question 46.

choose the correct alternative from the following :

Assertion (A) : Milk production in India is low as compared to other countries of the world.

Reason (R) : The animal rearers in India are poor.


  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.

Milk production in India is low as compared to other countries of the world because

of lack of good breed and improper feed. However, R is untrue.


Question 47.

choose the correct alternative from the following :

Assertion (A) : Seeds should be treated with fungicide before being sown.

Reason (R) : Seeds do not germinate, unless treated with fungicide solution.


  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.

Seeds are treated with fungicides before sowing to avoid seed-borne diseases. However,

seeds may germinate, even if not treated with fungicide solution.


Question 48.

choose the correct alternative from the following :

Assertion (A) : DDT has nowadays lost its use as an insecticide.

Reason (R) : DDT is harmful to man.


  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.

DDT has lost its use as an insecticide because insects have developed immunity

against it. However, it is true that DDT is harmful to man.


Question 49.

choose the correct alternative from the following :

Assertion (A) : Earthworms are not good for agriculture.

Reason (R) : Earthworms break down the soil into fine particles and make it soft.


  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 D. -> A is false but R is true.

Earthworms help in agriculture because they make the soil soft and porous.


Question 50.

choose the correct alternative from the following :

Assertion (A) : The body of the fish is streamlined.

Reason (R) : The streamlined body helps the fish to cut its way through the water.


  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.

The fish possesses a streamlined body which helps it to cut its way through the water.


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