Skip to content
p.paperbanao.
Continue

Punjab (PTB) · Chapter test · Free

2nd Year Biology Chapter 5 TestHUMAN REPRODUCTIVE SYSTEM

30 marks · 40 minutes · 21 questions. Covers: CHAP 17: HUMAN REPRODUCTIVE SYSTEM.

Your school name

2nd Year Biology Chapter 5 Test

2nd Year · Biology · Punjab (PTB)

Name: ____________Roll No: ________Class/Section: ________Date: ________Total marks: 30Time: 40 minutes

Q1. Multiple choice questions (Attempt all · 10 × 1 = 10)

  1. The site of the production of sperm is:

    1. Seminiferous tubules

    2. Epididymis

    3. Seminal vesicle

    4. Vas deference

  2. During spermatogenesis, how many haploid spermatids (1n) are ultimately produced from a single diploid spermatogonium (2n)?

    1. One spermatid

    2. Two spermatids

    3. Three spermatids

    4. Four spermatids

  3. After ovulation, the remaining ruptured ovarian follicle is transformed into a glandular structure called the:

    1. Graafian follicle

    2. Oocyte

    3. Oviduct

    4. Corpus luteum

  4. Which cells of the testis secrete testosterone hormone?

    1. Sertoli cells

    2. Germline cells

    3. Spermatogonia

    4. Leydig cells

  5. Which specialized cells inside the seminiferous tubules undergo meiosis to produce sperms?

    1. Sertoli cells

    2. Glial cells

    3. Germline cells

    4. Alpha cells

  6. Which layer of the uterine wall is the middle thick layer composed of smooth muscles?

    1. Perimetrium

    2. Endometrium

    3. Myometrium

    4. Basal layer

  7. How long do spermatozoa remain in the epididymis to mature and become motile?

    1. At least 18 hours

    2. Exactly 5 hours

    3. About 10 days

    4. Only 30 minutes

  8. What triggers an ovulated secondary oocyte to quickly complete meiosis II?

    1. High levels of FSH and LH

    2. Regressing of the corpus luteum

    3. Fusion with a sperm cell

    4. The shedding of the endometrium

  9. What is the primary physiological function of Sertoli cells?

    1. Carrying electrical nerve impulses

    2. Secretion of testosterone hormone

    3. Moving the egg cell to the uterus

    4. Nourishing the developing sperms

  10. The fall in FSH levels toward the end of the proliferative stage causes the anterior pituitary to release:

    1. Progesterone

    2. Estrogen

    3. Luteinizing Hormone (LH)

    4. Oxytocin

Q2. Short questions (Attempt any 6 of 8 · 6 × 2 = 12)

  1. Trace the path of spermatozoa through the male accessory ducts starting from the seminiferous tubules.

  2. When do the ova in a females begin meiosis? When do they complete the first meiotic division?

  3. What are the main functional roles of the fluid secreted by the bulbourethral glands?

  4. Where exactly in the female body does a secondary oocyte complete its second meiotic division after fusing with a sperm?

  5. When does the process of oogenesis begin in human females, and what happens to oogonia during this early stage?

  6. Why do gonadotropins and FSH levels start rising during the early days of the menstrual phase?

  7. Briefly describe the function of seminal vesicles, prostate gland, and bulbourethral glands.

  8. What causes ovulation to occur at the end of the proliferative phase?

Q3. Long questions (Attempt any 2 of 3 · 2 × 4 = 8)

  1. Describe the effect of endocrine disrupting contaminants on the reproductive abilities.

  2. Describe the events of a menstrual cycle and explain its hormonal regulation.

  3. Why are so many sperms produced in the male and so few ova produced in the female?