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Reproduction in Human Beings

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Which of the following is the odd one out?

  1. Fallopian tube

  2. Salpinges

  3. Uterine tubes

  4. Ovary

  5. Oviduct


Correct Option: D
Explanation:

Yes, it is the correct answer as all are terms used for fallopian tubes except ovary. It is an ovum-producing reproductive organ.

Which of the following statement is/are false regarding somatic cells and gametes?

  1. Somatic cells are diploid cells, whereas the gametes are haploid cells.

  2. Somatic cells form external structures of the body, whereas gametes form internal.

  3. Somatic cells do not fuse during sexual reproduction, whereas gametes fuse during sexual reproduction giving rise to a diploid zygote.

  4. Somatic cells are found almost everywhere in the body, whereas gametes are restricted to certain parts.

  5. None of these


Correct Option: B
Explanation:

Yes, it is the answer as the statement is false. Somatic cells form internal and external structures of the body, whereas gametes do not.

Diploid cells reproduce by _________ making daughter cells that are ___________.

  1. mitosis, different

  2. meiosis, different

  3. mitosis, exact replica

  4. meiosis, exact replica

  5. all are true, it depends on the type of diploid cells


Correct Option: C
Explanation:

Yes, it reproduces by mitosis and  gives rise to identical daughter cells with equal number of chromosomes.

Which of the following statements is/are true regarding the uterus?

(a) It is a tube like hollow organ. (b) The embryo gets implanted here. (c) The wall of uterus provides nutrition to the foetus. (d) The baby passes from here into the fallopian tube.

  1. a and b

  2. a and d

  3. b and c

  4. c and d

  5. a, b and c


Correct Option: C
Explanation:

Yes, it is correct as both b and c are true. Uterus is a pear-shaped hollow muscular organ, where the embryo gets implanted and develops into a newborn baby. The wall of the uterus provides safety and nutrition to the growing foetus.

Which of the following passes the hereditary information from parents to offspring?

  1. Mitochondria

  2. Genes

  3. Ribosomes

  4. Golgi bodies

  5. Cytoplasm


Correct Option: B
Explanation:

Yes, it is correct. A gene is the basic physical and functional unit of heredity, it passes the hereditary information from parents to offspring.

Which of the following male and female reproductive organs produce their respective gametes?

  1. Seminal vesicle and Fallopian tube

  2. Seminal vesicle and Ovary

  3. Testis and Ovary

  4. Vas deferens and Uterus

  5. Penis and Fallopian tube


Correct Option: C
Explanation:

Yes, it is correct. Testis produces male gametes and ovary produces female gametes.

The physical dissimilarity in the male and female of a species, that gives them different appearances is called__________.

  1. puberty

  2. sexual dimorphism

  3. secondary sexual character

  4. menarche

  5. menopause


Correct Option: B
Explanation:

Yes, the physical dissimilarity in the male and female of a species that gives them different appearances, is called sexual dimorphism.

Which of the following statements is/are not correct regarding scrotum?

(a) It maintains temperature of testes. (b) It is a pouch inside the body. (c) Testes lies in the scrotum. (d) They are two in number.

  1. only a

  2. only b

  3. a and c

  4. only d

  5. b and d


Correct Option: B
Explanation:

Yes, it is the incorrect statement. The scrotum is suspended outside the body; below the abdominal cavity.

Which of the following statements is/are true regarding sexual reproduction?

(a) Sexual reproduction involves two parents. (b) The offspring gets its set of genes from any of the two individuals. (c) Sexual reproduction involves gamete formation.

  1. only a

  2. only b

  3. only c

  4. a and c

  5. b and c


Correct Option: D
Explanation:

Yes, it is correct. Statements a and c are correct, whereas b is incorrect. In sexual reproduction, the offspring gets sets of genes from two different individuals. No, it is incorrect. Statement b is incorrect.

Which of the following is not a STD (sexually transmitted disease)?

  1. Gonorrhea

  2. Herpes

  3. Hepatitis B

  4. None of these

  5. AIDS


Correct Option: D
Explanation:

Yes, this is the correct answer. All the above are STDs. , HIV can be transmitted from an infected person to another person through blood, semen, vaginal fluids and breast milk.

The fallopian tubes end in finger-like structures called __________.

  1. villi

  2. canals

  3. small tubes

  4. fimbriae

  5. none of these


Correct Option: D
Explanation:

Yes, the fallopian tubes end in finger-like structures; called fimbriae.

The first menstrual flow is called _________ and the last menstrual flow is called _________.

  1. puberty, menarche

  2. menarche, menopause

  3. puberty, menopause

  4. menarche, sexual dimorphism


Correct Option: B
Explanation:

The first menstrual flow is called menarche and the last menstrual flow (which happens in the late 40s) is called menopause.

Puberty which starts earlier than usual is known as _____________ , puberty which starts later than usual is known as _____________.

  1. menarche, menopause

  2. precocious puberty, delayed puberty

  3. precocious puberty, menopause

  4. menarche, delayed puberty

  5. none of these


Correct Option: B
Explanation:

Yes, it is correct. Puberty which starts earlier than usual is known as precocious puberty. Puberty which starts later than usual is known as delayed puberty.

The structure which provides nutrition to the developing foetus, is the wall of __________.

  1. fallopian tube

  2. vagina

  3. urethra

  4. uterus

  5. ovary


Correct Option: D
Explanation:

Yes, it is correct. The wall of the uterus provides safety and nutrition to the growing foetus, known as placenta.

Match the following:

a. Male hormone 1. Sperm
b. Female gamete 2. Progesterone
c. Female hormone 3. Testosterone
d. Male gamete 4. Ovum

Which of the following is the correct option?

  1. a - 1, b - 2, c - 4, d - 3

  2. a - 1, b - 4, c - 2, d - 3

  3. a - 3, b - 4, c - 2, d - 1

  4. a - 4, b - 3, c - 2, d - 1

  5. a - 3, b - 2, c - 4, d - 1


Correct Option: C
Explanation:

Yes, it is the correct answer, as all are matched properly.

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