Question

For question numbers 14, 15 and 16 two statements are given- one labelled Assertion (A)

and the other labelled 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 : After white washing the walls, a shiny white finish on walls is obtained

after two to three days.

Reason: Calcium Oxide reacts with Carbon dioxide to form Calcium Hydrogen

Carbonate which gives shiny white finish.

15. Assertion: The sex of the children is determined by what they inherit from their father

and not their mother.

Reason: Y chromosome present in males determines the sex of child.

OR

Assertion: Mendel said that the characteristics or traits of organisms are carried from

one generation to the next by internal factors which occur in pairs.

Reason: These internal factors are called genes.

16. Assertion: Damage to the ozone layer is the cause for concern.

Reason: Depletion of ozone is caused by carbon monoxide​

Answer 1

btt what is this............