Home
Class 10
BIOLOGY
Assertion (A): Coal and petroleum are ca...

Assertion (A): Coal and petroleum are categorized as natural resources, so should be used judiciously.
Reason (R): They are formed from the degradation of bio-mass subjected to various biological and geological processes over a million of years.

A

Both assertion (A) and reason (R) are true and reason (R) is the correct explanation of assertion (A).

B

Both assertion (A) and reason (R) are true but reason (R) is not the correct explanation of assertion (A).

C

Assertion (A) is true but reason (R) is false.

D

Assertion (A) is false but reason (R) is true.

Text Solution

Verified by Experts

Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • NEW CHAPTERS AND QUESTIONS BASED ON LATEST TYPOLOGIES INTRODUCED BY CBSE FOR 2021-22 EXAMINATION

    OSWAL PUBLICATION|Exercise MANAGEMENT OF NATURAL RESOURCES (SELF ASSESSMENT -2 ) (C. Very Short Answer Type Questions )|3 Videos
  • NEW CHAPTERS AND QUESTIONS BASED ON LATEST TYPOLOGIES INTRODUCED BY CBSE FOR 2021-22 EXAMINATION

    OSWAL PUBLICATION|Exercise MANAGEMENT OF NATURAL RESOURCES (SELF ASSESSMENT -2 ) (Long Answer Type Questions )|2 Videos
  • NEW CHAPTERS AND QUESTIONS BASED ON LATEST TYPOLOGIES INTRODUCED BY CBSE FOR 2021-22 EXAMINATION

    OSWAL PUBLICATION|Exercise MANAGEMENT OF NATURAL RESOURCES (SELF ASSESSMENT -2 ) (OBJECTIVE TYPE QUESTIONS) (A. Multiple Choice Questions)|3 Videos
  • MANAGEMENT OF NATURAL RESOURCES

    OSWAL PUBLICATION|Exercise CASE-BASED MCQs|15 Videos
  • NTSE 2019 - 20

    OSWAL PUBLICATION|Exercise (BIOLOGY) WHY DO WE FALL ILL (STAGE - 1)|2 Videos