Questions

Assertion (A) & Reason (B) MCQ

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4 questions · timed · auto-graded

MCQ 11 Mark
Assertion (A): The soil formed due to weathering of lateritic rocks is called laterite soil.
Reason (R): It is found in hot and dry regions leading to excessive leaching.
  • A
    Both A and R are true and R is the correct explanation of A
  • B
    Both A and R are true and R is the not 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.
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MCQ 21 Mark
Assertion (A): Alluvial soils are formed ex situ.
Reason (R): Ex situ soils are found where they are formed.
  • A
    Both A and R are true and R is the correct explanation of A
  • B
    Both A and R are true and R is the not 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.
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MCQ 31 Mark
Assertion (A): Laterite soils are very infertile
Reason (R): Laterite soil is acidic and we must use chemical fertilizers in it.
  • A
    Both A and R are true and R is the correct explanation of A
  • B
    Both A and R are true and R is the not 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.
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MCQ 41 Mark
Assertion (A): Soils differ from place to place.
Reason (R): Many factors like climate, relief, parent rock etc are not same everywhere.
  • Both A and R are true and R is the correct explanation of A
  • B
    Both A and R are true and R is the not 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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Assertion (A) & Reason (B) MCQ - Geography STD 10 Questions - Vidyadip