Correct the following statements:

$(a)$ Surgical methods of contraception prevent gamete formation.

$(b)$ All sexually transmitted diseases are completely curable.

$(c)$ Oral pills are very popular contraceptives among the rural women.

$(d)$ In $\mathrm{E. T.}$ techniques, embryos are always transferred into the uterus.

Assertion : $HIV$ infection can be avoided by use of condoms.

Reason : Condoms secrete anti-viral interferons.

Location – function : $HIV$ Antigen and Amniotic bag

Give differences : Family planning methods and family planning programmes.

Explain the Word Difference :  Termination of pregnancy / abortion  and contraception