Question

r question numbers 14, 15 and 16, two statements are given- one labeled

Assertion (A) and the other labeled Reason (R). Select the correct answer to these

questions from the codes (a), (b), (c)and (d) as given below:

a) Both A and R are true, and R is correct explanation of the assertion.

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

c) A is true, but R is false.

d) A is false, but R is true.

14. Assertion: Calcium carbonate when heated gives calcium oxide and water. 1

Reason: On heating calcium carbonate, decomposition reaction takes place.



15. Assertion: In food chain top consumers have high amount of harmful 1

chemicals.

Reason: These chemicals are not degradable & get accumulated progressively

at each trophic level.

16. Assertion: Humans have two different sex chromosomes, X and Y. 1

Reason: male offspring will inherit X chromosome from either of its parents​

Answer 1

he you are student not a thiv please ask your answers your relatives teachers