XII Biology Reproduction Online Test Mdcat-2024

Instructions for Reproduction Online Test Mdcat-2024:

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NameEmailPhone Number

1 / 50

1. Ovulation takes place on which day of an ovarian cycle?

a) 18

b) 22

c) 14

d) 01

2 / 50

2. In In Vitro Fertilization (IVF), fertilization occurs:

a) Inside the uterus

b) Inside a laboratory

c) Inside the ovary

d) Inside the fallopian tubes

3 / 50

3. What type of white blood cell is primarily targeted by HIV?

a) B cells

b) Macrophages

c) Helper T cells

d) Neutrophils

4 / 50

4. Syphilis is caused by :

a) virus

b) fungi

c) Bacteria

d) All are correct

5 / 50

5. Correct about Gonorrhea:

a) It is sexually transmitted disease

b) Caused by Neisseria gonorrhoeae

c) It effects the Respiratory system

d) A and b

6 / 50

6. What is the key difference between abortion and miscarriage?

a) Abortion occurs naturally, while miscarriage is induced.

b) Abortion is intentional termination of pregnancy, while miscarriage is spontaneous loss of pregnancy

c) Abortion always requires medical intervention, while miscarriage does not.

d) Abortion is always performed in a hospital, while miscarriage can occur anywhere

7 / 50

7. Tissue Lining of the uterus grows outside the uterus, a Condition known as:

a) endometriosis

b) endometritis

c) adenomyosis

d) all are correct

8 / 50

8. Which are causes of the Infertility:

a) Hormonal imbalance

b) Polycystic Ovaries Syndrome (PCOS)

c) Thyroid disorder

d) All are correct

9 / 50

9. What is the primary difference between azoospermia and oligospermia?

a) Azoospermia refers to low sperm motility, while oligospermia indicates low sperm count.

b) Azoospermia is a temporary condition, while oligospermia is permanent.

c) Azoospermia means complete absence of sperm, while oligospermia refers to a low sperm count.

d) Azoospermia is condition in which sperms count is more than 20 million where as oligospermia is defined as sperm count below 20 million

10 / 50

10. Which of the following statements BEST defines infertility?

a) The inability to conceive after one month of regular, unprotected intercourse.

b) A hormonal imbalance that prevents ovulation.

c) A complete blockage of the fallopian tubes.

d) The inability to conceive after 12 months of regular, unprotected intercourse

11 / 50

11. What role do estrogen and progesterone play in the female reproductive system?

a) They are only involved in Water absorption

b) They facilitate secondary sexual characteristics development and maintain pregnancy.

c) They are responsible for ovulation only.

d) They inhibit breast development

12 / 50

12. Which hormone is sustained by human chorionic gonadotropin (HCG) produced by the placenta?

a) Estrogen

b) Progesterone

c) Testosterone

d) FSH

13 / 50

13. What role does the placenta play during pregnancy?

a) It only provides nutrients to the embryo.

b) It facilitates the exchange of gases and nutrients between fetal and maternal circulations

c) It inhibits the activity of the anterior pituitary gland.

d) It is responsible for breast development

14 / 50

14.

What is the primary function of the menstrual period?

a) Release of a mature egg from the ovary

b) Shedding of the thickened uterine lining in the absence of pregnancy

c) Development of follicles containing immature eggs

d) Preparation of the uterus for implantation

15 / 50

15. Which of the following statements about ovulation is MOST accurate?

a) It occurs multiple times during a typical menstrual cycle.

b) It always results in the release of two mature eggs.

c) It typically happens around the middle of a menstrual cycle.

d) It requires fertilization by sperm to occur

16 / 50

16.

Which phase of the menstrual cycle is characterized by the thickening of the uterine lining under the influence of estrogen?

a) Follicular phase / Proliferative phase

b) Luteal phase

c) Menstrual phase

d) Ovulatory phase

17 / 50

17.

Which of the following hormones experiences a surge just before ovulation?

a) Follicle-stimulating hormone (FSH)

b) Luteinizing hormone (LH)

c) Progesterone

d) Estrogen

18 / 50

18. Follicle-stimulating hormone (FSH) is primarily responsible for which of the following during the ovarian cycle?

a) Ovulation of the egg

b) Development of multiple follicles

c) Secretion of progesterone by the corpus luteum

d) Thickening of the uterine lining

19 / 50

19.

What is the role of progesterone secreted by the corpus luteum?

a) Stimulates egg development within follicles.

b) Thickens the uterine lining for implantation.

c) Increases sperm production

d) Triggers ovulation.

20 / 50

20.

What is the main hormone secreted by the corpus luteum?

a) Progesterone

b) Testosterone

c) Follicle-stimulating hormone (FSH)

d) Estrogen

21 / 50

21. What forms the corpus luteum?

a) The released egg during ovulation

b) The remaining follicle cells after ovulation

c) A fertilized egg implanting in the uterus

d) Sperm cells entering the fallopian tube

22 / 50

22. Which of the following statements BEST defines the corpus luteum?

a) A fluid-filled sac within the ovary that ruptures during ovulation

b) A group of follicles in the ovary containing developing eggs

c) A temporary gland formed after ovulation that secretes hormones

d) The site of fertilization between the egg and sperm within the ovary

23 / 50

23. Oogenesis is the process of egg formation in females. Which of the following statements accurately describes a correct event during oogenesis?

a) Primary oocytes undergo mitosis within ovarian follicles, resulting in numerous secondary oocytes.

b) Secondary oocytes complete meiosis II after fertilization by sperm, forming the haploid egg.

c) primary oocytes undergoes Meiosis I to form secondary oocyte and a polar body

d) three Polar bodies, small cells with minimal cytoplasm, are produced during meiosis II in secondary oocytes.

24 / 50

24. Tick the incorrect about Ovaries :

a) Ovaries are female gonads

b) Normally in pair inside the uterus

c) Ovaries are connected with uterus through fallopian tube

d) None of above is incorrect

25 / 50

25. Correct about vagina :

a) It is muscular tube

b) Also known as birth canal

c) Produce egg

d) both a and b

26 / 50

26. Which three major regions is the uterus divided into?

a) Estrogen, Fimbriae, and Ovum

b) Fundus, Body, and Cervix

c) Abdominal cavity, Epithelial lining, and Follicle

d) Egg cell, Birth canal, and Endometrium

27 / 50

27. Where does fertilization typically take place in the female reproductive system?

a) Uterus

b) Ovaries

c) Oviducts

d) Vagina

28 / 50

28. Which part of the female reproductive system is described as having “fingers” called fimbriae?

a) Uterus

b) Ovaries

c) Oviducts

d) Cervix

29 / 50

29. What is the role of the ovaries in the female reproductive system?

a) Producing estrogen

b) Carrying eggs to the uterus

c) Protecting the inner epithelial linings

d) Connecting to the cervix

30 / 50

30. Which part of the male reproductive system is responsible for adding fluid to semen?

a) Seminal vesicles

b) Prostate gland

c) Bulbourethral glands

d) All are correct

31 / 50

31. Which hormone inhibits the secretion of FSH and helps regulate sperm production?

a) Testosterone

b) Inhibin

c) Estrogen

d) Progesterone

32 / 50

32. What does Luteinizing Hormone (LH) trigger in males?

a) The release of estrogen

b) The secretion of follicle-stimulating hormone

c) The production of testosterone by Leydig cells in testes

d) both A and C

33 / 50

33. Which hormone is produced by the pituitary gland and acts on the testes to promote the development and maturation of sperm cells?

a) Inhibin

b) Luteinizing Hormone (LH)

c) Follicle-Stimulating Hormone (FSH)

d) Estrogen

34 / 50

34. What is the primary role of Testosterone in the male reproductive system?

a) . inhibiting sperm production

b) Regulating menstrual cycle

c) Developing secondary sexual characteristics

d) Producing ova

35 / 50

35. Match the correct columns:

a) i=c, ii=e, iii=d , iv= d , v=b, vi=f , vii=a

b) i=g, ii=e, iii=c , iv= d , v=b, vi=f , vii=a

c) i=g, ii=e, iii=c, iv=d, v=f, vi=b, vii=a

d) i=e, ii=g , iii=c, iv=d, v=f, vi=b, vii=a

36 / 50

36. Spermatogenesis is a complex process with several stages. Identify all the incorrect statements regarding the stages:

1.Spermatogonia undergo mitosis.

2.Primary spermatocytes undergo meiosis I.

3.Secondary spermatocytes undergo meiosis II.

4.Spermatids undergo Spermatogenesis

5.Spermatozoa are released from the seminiferous tubules.

a) 3 only

b) 1, and 5 only

c) 1, 3, and 4 only

d) 4 only

37 / 50

37. Spermatogenesis and spermiogenesis are crucial processes in the male reproductive system, responsible for sperm production. Choose the statement that inaccurately describes these processes:

a) Spermatogenesis begins with diploid spermatogonia undergoing mitotic divisions to increase their number.

b) Meiosis, a key step in spermatogenesis, results in the formation of haploid spermatids.

c) Spermiogenesis involves the dramatic transformation of spermatids into motile, mature spermatozoa with a head, midpiece, and tail.

d) Both spermatogenesis and spermiogenesis occur within the Epididymis of the testes.

38 / 50

38. What is another name for the ductus deferens?

a) Vas Deferens

b) Seminal Vesicle

c) Ejaculatory Duct

d) Rete Testis

39 / 50

39. Which part of the male reproductive system is sensitive and contains the opening of the urethra?

a) Ampulla

b) Glans or Head of Penis

c) Root of Penis

d) Bulbourethral Gland

40 / 50

40. Where is sperm stored before being released during ejaculation?

a) Seminiferous Tubules

b) Urethra

c) Ejaculatory Duct

d) Epididymis

41 / 50

41. Which of the following is associated with Testicular Cancer?

a) High Cure rate if treated earlier

b) In men from age 15-34

c) Most Common type of Cancer in young men

d) All

42 / 50

42. What is the structure that carries sperm from the epididymis to the ejaculatory duct?

a) Seminiferous Tubules

b) Ductus Deferens

c) Rete Testis

d) Ampulla

43 / 50

43. Which one of the following is incorrect?

a) Sertoli cells produce sperms

b) Process of sperms Production is known as Spermiogenesis

c) Final Maturation of Sperms is known as Spermatogenesis

d) B and C

44 / 50

44. What structures in the male reproductive system store sperm and produce secretions that activate and nourish them?

a) The gonads (testes) are solely responsible for storing, activating, and nourishing sperms to ensure their viability

b) Accessory structures adjacent to the testes play this role exclusively without any involvement of other organs or structures

c) Both gonads (testes) and accessory structures work together to store, activate, and nourish sperms.

d) The male reproductive system does not involve any specific structures for sperm storage.

45 / 50

45. Which of the following statements about gonads (testes) is incorrect?

a) The testes produce both sperm and male sex hormones, playing a crucial role in reproduction.

b) They are located inside the abdomen throughout a man’s life, facilitating an internal environment for sperm production

c) The testes contain lobules with tightly coiled seminiferous tubules where sperms are produced.

d) All are correct

46 / 50

46. What is the primary function of the scrotum in the male reproductive system?

a) It acts as a storage for sperm and male sex hormones, ensuring they are kept safe and ready for reproduction

b) The scrotum maintains the testes at around 34°C, slightly lower than body temperature, to facilitate optimal sperm development

c) It is responsible for producing both sperm and male sex hormones essential for reproduction.

d) All are correct

47 / 50

47. Incorrect about human beings

a) Unisexual or Dioecious

b) Bisexual

c) Hermaphrodite

d) B and C

48 / 50

48. What does sexual reproduction involve?

a) Only male gametes

b) Only female gametes

c) Both male and female gametes

d) No gametes

49 / 50

49. Which type of reproduction results in offspring that are genetically identical to the parent?

a) Sexual reproduction

b) Asexual reproduction

c) Genetic reproduction

d) Natural selection

50 / 50

50. What is the process by which living things produce more of their own kind?

a) Genetic transmission

b) Reproduction

c) Morphological change

d) Fertilization

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Instructions for Reproduction Online Test Mdcat-2024:

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