Human Reproduction (Class XII)

Human Reproduction

20 Questions Published

Questions

Question 1 Multiple Choice (Single Answer)

Ootid is formed as a result of

  1. meiosis-II
  2. meiosis-I
  3. mitosis
  4. amitosis
  5. None of these
Question 2 Multiple Choice (Single Answer)

Which of the following events is/are correctly matched with time period of a normal menstrual cycle?

  1. Release of ovum : 5th day
  2. Endometrium regenerates : 5 - 10 days
  3. Endometrium secretes nutrients for implantation : 11 - 18 days
  4. Rise in progesterone level : 1 - 15 days
  5. All of the above
Question 3 Multiple Choice (Single Answer)

Prepuce and fourchette are formed by

  1. anterior and posterior fusion of labia minora
  2. anterior and posterior fusion of labia majora
  3. posterior and anterior fusion of labia majora
  4. posterior and anterior fusion of labia minora
  5. clitoris
Question 4 Multiple Choice (Single Answer)

Which of the following is the placenta with only three barriers between fetal and maternal blood?

  1. Epitheliochorial
  2. Syndesmochorial
  3. Endotheliochorial
  4. Haemochorial
  5. Haemoendothelial
Question 5 Multiple Choice (Single Answer)

Which of the following parts of human sperm helps in the metabolism of the whole sperm?

  1. Acrosome
  2. Mitochondrion
  3. Nucleus
  4. Centriole
  5. -
Question 6 Multiple Choice (Single Answer)

Testes are covered in a special sac called scrotal sac. What is the function of it?

  1. Spermatogenesis
  2. Sex differentiation
  3. To provide more space to internal organs
  4. To help in the independent functioning of kidneys
  5. -
Question 7 Multiple Choice (Single Answer)

One of the major parts of the female reproductive system consists of cervix. Which part is it?

  1. Kidney
  2. Fallopian tube
  3. Vagina
  4. Epididymis
  5. -
Question 8 Multiple Choice (Single Answer)

Every woman in her lifetime encounters a major phenomenon called menopause. At what average age is menopause achieved?

  1. 70 years
  2. 14 years
  3. 55 years
  4. 25 years
  5. -
Question 9 Multiple Choice (Single Answer)

When a baby is born, it immediately needs milk for its nutrition. Which hormone is responsible for milk ejection after the baby's birth?

  1. Oxytocin
  2. Progesterone
  3. Estrogen
  4. Prolactin
  5. -
Question 10 Multiple Choice (Single Answer)

Zygote is formed by the fertilisation of sperm and ova. It develops into an embryo by division of cells. It gets implanted in the uterine wall and is called

  1. embryo
  2. foetus
  3. blastocycst
  4. zygote
  5. -
Question 11 Multiple Choice (Single Answer)

On 14th day of menstrual cycle, all of the following hormones are at their maximum levels of secretion/production, except

  1. Estrogen
  2. Progesterone
  3. LH
  4. FSH
  5. LH and FSH
Question 12 Multiple Choice (Single Answer)

Which of the following parts of fallopian tubes is closer to the ovary?

  1. Infundibulum
  2. Ampulla
  3. Isthmus
  4. Fimbrae
  5. Oviduct
Question 13 Multiple Choice (Single Answer)

At which stage of development is ovum released from ovaries?

  1. Primary oocyte
  2. Secondary oocyte
  3. Tertiary oocyte
  4. Zygote
  5. Quaternary stage
Question 14 Multiple Choice (Single Answer)

Prenatal period is also known as

  1. post-embryonic period
  2. insemination
  3. gametogenesis
  4. embryonic period
Question 15 Multiple Choice (Single Answer)

Which of the following includes bleeding phase?

  1. Follicular phase
  2. Leuteal phase
  3. Secretary phase
  4. Menstrual phase
  5. Ovulatory phase
Question 16 Multiple Choice (Single Answer)

Which of the following statements is incorrect?

  1. An embryo with 8 to 16 blastomeres is called a morula.
  2. A morula continues to divide and transforms into blastocyst.
  3. The size of each cell of a morula is equal to a zygote.
  4. Blastocyst has a fluid-filled cavity.
  5. An inner group of cells attached to trophoblast is called the inner cell mass.
Question 17 Multiple Choice (Single Answer)

Which of the following is homologus to penile urethra of male?

  1. Clitoris
  2. Labia majora
  3. Paraurethral glands
  4. Labia minora
  5. Bartholin’s gland
Question 18 Multiple Choice (Single Answer)

The hormone activating the lactation in nursing mothers is

  1. follicle-stimulating hormone
  2. adrenocorticotrophic hormone
  3. growth hormone
  4. prolactin
Question 19 Multiple Choice (Single Answer)

Oocyte is liberated from ovary under the influence of LH completing

  1. meiosis and before liberating polar bodies
  2. meiosis I and before liberating polar bodies
  3. meiosis I and before the completion of meiosis II
  4. meiosis I and after the release of polar body
Question 20 Multiple Choice (Single Answer)

Which of the following protective coverings of testis consists of network of capillaries surrounded by delicate connective tissue?

  1. Scrotum
  2. Tunica vagenalis
  3. Tunica vasculosa
  4. Tunica albugenia
  5. Testicular lobule