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Science Assertion (A) & Reason (B) MCQ

Nutrition in Animals · Gujarat Board (GSEB) STD 7 (GSEB - English Medium). 7 questions.

Questions

Assertion (A) & Reason (B) MCQ

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7 questions · auto-graded multiple-choice test.

MCQ 11 Mark
The following questions consist of two statements.
Assertion (A) and Reason (R). Answer the following questions by selecting the appropriate option given below.
Assertion (A) Boiled and chewed rice does not give blue-black colour with iodine solution.
Reason (R) Boiled and chewed rice contains starch.
  • 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
  • ✓
    A is true, but R is false
  • D
    A is false, but R is true
Answer
Correct option: C.
A is true, but R is false
(C) A is true, but R is false. R can be corrected as Boiled and chewed rice does not give blue-black colour with iodine solution because they do not contain starch. Saliva converts starch into glucose after chewing boiled rice for some time.
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MCQ 21 Mark
The following questions consist of two statements.
Assertion (A) and Reason (R). Answer the following questions by selecting the appropriate option given below.
Assertion (A) Human beings cannot digest cellulose.
Reason (R) Humans do not have cellulose digesting bacteria.
  • ✓
    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
Correct option: A.
Both A and R are true and R is the correct explanation of A
A
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MCQ 31 Mark
The following questions consist of two statements.
Assertion (A) and Reason (R). Answer the following questions by selecting the appropriate option given below.
Assertion (A) Pancreas secrete bile juice.
Reason (R) Liver is the largest gland in our body.
  • 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
  • ✓
    A is false, but R is true
Answer
Correct option: D.
A is false, but R is true
(D) A is false, but R is true. A can be corrected as Liver secretes bile juice.
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MCQ 41 Mark
The following questions consist of two statements.
Assertion (A) and Reason (R). Answer the following questions by selecting the appropriate option given below.
Assertion (A) The inner lining of stomach is protected from the effect of hydrochloric acid.
Reason (R) The inner lining of the stomach secrete mucus.
  • ✓
    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
Correct option: A.
Both A and R are true and R is the correct explanation of A
A
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MCQ 51 Mark
The following questions consist of two statements.
Assertion (A) and Reason (R). Answer the following questions by selecting the appropriate option given below.
Assertion (A) Bread taste sour when chewed for some time.
Reason (R) Bread contains starch.
  • 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
  • ✓
    A is false, but R is true
Answer
Correct option: D.
A is false, but R is true
(D) A is false, but R is true. A can be corrected as Bread tastes sweet when chewed for some time.
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MCQ 61 Mark
The following questions consist of two statements
Assertion (A) and Reason (R). Answer these questions by selecting the appropriate option given below.
Assertion (A) Herbivorous animals like cows, that eat grass are called ruminants.
Reason (R) The partially digested food called cud is brought back into the mouth of the cow.
  • A
    Both A and R are true and R is the correct explanation of A
  • ✓
    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
Correct option: B.
Both A and R are true, but R is not the correct explanation of A
(B) Both A and R are true, but R is not the correct explanation of A
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MCQ 71 Mark
The following questions consist of two statements
Assertion (A) and Reason (R). Answer these questions by selecting the appropriate option given below.
Assertion (A) Ingestion of food is difficult without teeth.
Reason (R) Teeth helps in breaking down the food into small pieces.
  • ✓
    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
Correct option: A.
Both A and R are true and R is the correct explanation of A
(A) Both A and R are true and R is the correct explanation of A
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