FREE NEET Biology Practice MCQ Test: Reproductive Health Exercise 4 Questions Answers With Detailed Explanations [PDF]

Answer: (d)

Answer: (b)

The given figure is of male condom. A male condom is a thin sheath that covers the penis during intercourse and protects against sexually transmitted infection (STI) and preventing direct contact between the penis and vagina, as well as collecting the semen and preventing it from entering the vagina.

Answer: (c)

IMR (Infant Mortility Rate) and MMR (Maternal Mortility Rate) both are responsible for affecting the growth rate inversely. it means decline in IMR as well as MMR will result in high population growth and vice-versa. Here, increased IMR will result in decline in growth rate. while, decreased MMR will cause rapid increase in growth rate.

Therefore, IMR increased and MMR has been decreased in a population, it will not cause any significant change in growth rate.

Answer: (a)

Amniocentesis is a fetal sex determination test in which amniotic fluid containing fetal cells which surrounds the developing embryo is extracted and cells are tested for chromosomal pattern to identify genetic disorders, if any. Jaundice is not a chromosomal disorder thus cannot be tested by amniocentesis.

Answer: (b)

Tubectomy also referred to as tubal sterilization is a surgical procedure done on women as a permanent method of contraception. In this method fallopian tubes are blocked so that the ova or eggs are prevented from travelling to the uterus from the ovary. This prevents any future pregnancies to occur after the surgical procedure. Cervix Vagina Ovary Fallopian tubes Uterus

Answer: (b)

Answer: (d)

Sterilization techniques can be considered as the safest birth control measures. It provides a permanent and sure birth control. It is called vasectomy in male and tubectomy in female.

Answer: (d)

Answer: (a)

Amniocentesis or amniotic fluid test or AFT is a medical procedure which is used in prenatal diagnosis of chromosomal abnormalities and foetal infections. This is the same procedure used for sex determination.

Answer: (b)

Answer: (c)

Answer: (c)

The use of condoms during coitus is some of the simple precautions to avoid contracting STDs like AIDS and syphilis.

Answer: (b)

STDs are more common in 15-24 years age group. Gonorrhoea, syphilis, genital herpes, chlamydiasis, genital warts, trichomoniasis, hepatitis-B and AIDS are some of the common STDs. Haemophilia is sex-linked recessive disease, which show its transmission from unaffected carrier female to some of male progeny. Sickle cell anaemia is an autoimmune linked recessive trait in which both the partners are carrier for the gene.

Answer: (a)

This Statement gives incorrect information regarding vasectomy.It can be corrected as Sperms are produced by testes in the male reproduction system and sent to the epididymis by vasa efferentia and are temporarily stored here. These sperms do not reach to seminal vesicle when vas deferens is cut and tied in vasectomy.

Answer: (b)

Answer: (a)

Copper-T is an intrauterine device (IUD) used by women as a birth control. An IUD is a small device which is placed inside the uterus. The vertical and horizontal arms of the Copper - T contain copper which is slowly released into the uterine cavity. Copper stops sperm from making their way up through the uterus into the tubes, and it reduces the ability of sperm to fertilise the egg. It also prevents a fertilised egg (blastocyst) from successfully implanting in the lining of the uterus if fertilisation has occurred.

Answer: (b)

Answer: (d)

The described sterilization process is called vasectomy in which a small incision was done on the scrotum and a part of vas deferens is removed or tied up. Due to this gamete transport is blocked and thereby prevents conception.

Answer: (b)

Hepatitis B is an infectious disease caused by the hepatitis B virus (HBV) which affects the liver. HIV (human immunodeficiency virus) is a virus that attacks the immune system, the body's natural defence system. Without a strong immune system, the body has trouble fighting off disease. Both the diseases can also be transmitted by sharing of injection needles, surgical instruments, etc., with infected persons, transfusion of blood, or from an infected mother to the foetus too.

Answer: (c)

Condoms or Femidoms are barriers made up of thin rubber/ latex sheath that are used to cover the penis in the male or vagina and cervix in the female, just before coitus. So, that the ejaculated semen would not enter into the female reproductive tract.