AIIMS Botany Reproductive Health Class 12 Questions

Mark the correct statement

Assertion : IUT is the transfer of embryo with more than 8 blastomeres into the fallopian tubes. Reason : This is a very popular method of forming embryos in vivo.

Assertion: In MOET, hormones with progesterone like activity are given to the cow to induce superovulation. Reason: After mating, the embryos at 4-6 celled stages are recovered and transferred to surrogate mothers.

Which of the following contraceptive also provides protection from contacting STDs and AIDS ?

Assertion: Barrier methods prevent physical meeting of sperms and ova. Reason: This prevents conception.

Assertion: Cu T is a intrauterine device Reason: It decreases sperm motility.

Which of the following contraceptive devices make uterus unsuitable for implantation?

Assertion: Periodic abstinence is a natural method where couples abstain from coitus. Reason: Coitus from day 5–10 should be avoided because this is the time of ovulation.