AIIMS Zoology 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.

Saheli, is an oral contractive pill that has very high contraceptive value with little side effects. It is because

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.

In assisted reproductive technology where gametes have been fertilized in vitro, which of the following is practicable for embryo transplantation in Fallopian tube?

Assertion : Now-a-days amniocentesis is banned. Reason : Amniocentesis gives the information of any abnormality in the foetus and many other complications regarding pregnancy can be detected.

Which of the following is correct regarding HIV, hepatitis B, gonorrhoea, trichomoniasis?

Contraceptive oral pills help in birth control by

Assertion: Amniocentesis is a process of foetal sex determination. Reason: Metabolic errors and other diseases can be diagnosed prenatally by this process.

Amniocentesis is