Question

(1) Both A and R are true and R is the correct explanation of A.
(ii) Both A and R are true and R is not the correct explanation of A.
(1) A is true but R is false.
(iv) A is false but R is true.
Asertion (A) : Silkworm developing inside the cocoon is not allowed to mature
Reason(R) Breaking of cocoon causes damage to its silk threads and hence lowers the
quality of silk
Assertion (A) : Concave mirrors are used by dentists.
Reason (R) Concave mirrors produce a diminished image of the object when they are
close to it.​

Answer 1

Answer:

1. both a and r is true

2.ii option