MCQ Practice Test -Chapter2-Human Reproduction

Welcome to your Ncert-Class 12- Biology- Human Reproduction

Instruction

Total Questions : 20

Total Marks : 20 x 4 = 80 Marks

Each Correct Question carries : 4 Marks

Each incorrect Question Carries : -1 Marks

Each Unattempted Question carry : 0 Marks

Be careful On Negative Markings

During embryonic development, the establishment of polarity along anterior/posterior, dorsal/ventral or medial/lateral axis is called as

Pattern formation

Anamorphosis

Axis formation

Organizer phenomenon

None

Assertion : In human male, there are perianal glands near the anus.

Reason : Perianal glands secretes sex-attractant pheromone which initiates sexual desire in human female.

Both Assertion and Reason are false

Both Assertion and Reason are true but Reason is not a correct explanation of Assertion

Both Assertion and Reason are true and Reason is a correct explanation of Assertion

Assertion is true but Reason is false

None

Pseudostratified columnar epithelium lines is present in which one of the following?

Buccal cavity

Vas deferens

Bowman's capsule

All of the above

None

Match List I with List II and pick up the correct answers

List I	List II
A. Androgamone-I	I. Dissolves vitelline membrane
B. Androgamone-II	II. Facilitates attachment of sperm head to the egg surface
C. Gynogamone-I	III. Increases sperm activity
D. Gynogamone-II	IV. Conserves sperm activity

A- I, B- III, C- IV, D- II

A- I, B- IV, C- II, D- III

A- IV, B- I, C- III, D- II

A- II, B- I, C- III, D- IV

None

During the menstrual phase, uterine endometrium, epithelial glands, and connective tissues are broken. This is due to

Over secretion of FSH

Over production of progesterone

Lack of estrogen

Lack of progesterone

None

Due to the presence of a large amount of yolk, the zygote divides into two incomplete halves. This type of cleavage does not occur in

Hemidactylus, Calotes and Varanus

Peacock, Duck-billed Platypus and Crocodile

Amphioxus, Salamander and Rana

Jungle Fowl, Dove and Duck

None

Human semen is liquid at ejaculation but soon coagulates (within 15 mins) and again undergo secondary liquification by the enzyme released by the prostate. Enzyme is

Cathepsin

Acid phosphatase

Lysin

Erepsin

None

Cleavage is a unique form of mitotic cell division in that

No spindle develops to guide the chromosomes

The nucleus does not participate

There is no growth of cells

The plasma membranes of daughter cells do not separate

None

Which of the following correctly paired with is its function?

Bartholin glands - Secrete alkaline fluid to destroy the acidity of urethra

Fimbriae - Collection of ovum before ovulation

Relaxin - Responsible for narrowing of pelvic cavity

Ovary - Synthesis and Secretion of steroid hormones

None

10.

Secretions from which one of the following is rich in fructose, calcium and some enzymes

Liver

Male accessory glands

Salivary glands

Pancreas

None

11.

During embryonic development the establishment of polarity along anterior / posterior, dorsal / ventral or medial / lateral axis is called

Anamorphosis

Organizer phenomena

Pattern formation

Axis formation

None

12.

Some important events in the human female reproductive cycle are given below. Arrange the events in a proper sequence.

A- Secretion of FSH

B- Growth of corpus luteum

C- Growth of the follicle and oogenesis.

D- Ovulation

E- Sudden increase in the levels of LH.

C - A - D - B - E

B - A - C - D - E

A - D - C - E - B

A - C - E - D - B

None

13.

During the course of development of cells in various regions of an embryo become different in appearance and perform diverse function this is called

Organisation

Differentiation

Metamorphosis

Gastrulation

None

14.

Which represents Mullerian duct in male rabbit?

Urethra

Prostatic utricle

Cowpers gland

Seminal vesicle

None

15.

___________ is found positive during fertility period of menstrual cycle, in which cervical mucus is slippery and can be drawn into a thread when stretched between two fingers.

Shick test

Spinnbarkeit test

Pyroglobulin test

Ballottement test

None

16.

If the nuclei from an 8 celled stage of an embryo are transplanted into enucleated eggs, which of the following events is likely to occur?

Donor nuclei die in the new environment.

Recipient egg dies.

Cleavage occurs but is arrested after some time.

Formation of viable embryo in the recipient eggs.

None

17.

List 1 contains terms and List 2 contains definitions. Match them correctly and choose the right answer.

List I	List II
A. Parturition	1. Attachment of zygote to endometrium
B. Gestation	2. Release of egg from Graafian follicle
C. Ovulation	3. Delivery of baby from uterus
D. Implantation	4. Duration between pregnancy and birth
E. Conception	5. Formation of zygote by fusion of the egg and sperm

A- 3, B- 4, C- 2, D- 5, E- 1

A- 4, B- 3, C- 2, D- 1, E- 5

A- 3, B- 4, C- 1, D- 2, E- 5

A- 3, B- 4, C- 2, D- 1, E- 5

None

18.

Assertion : Fallopian funnel of oviduct is with finger like fimbriae.

Reason : Graafian follicle of ovary is with secondary oocyte hanging in cavity called antrum.

Assertion is true but Reason is false

Both Assertion and Reason are true and Reason is a correct explanation of Assertion

Both Assertion and Reason are true but Reason is not a correct explanation of Assertion

Both Assertion and Reason are false

None

19.

The spermiogenesis is the process by which spermatozoa are formed from

Secondary oocyte

Spermatogonia

Primary spermatocyte

Spermatid

None

20.

Which one of the following statements about human sperm is correct?

The sperm lysins in the acrosome dissolve the egg envelope facilitating fertilization.

Acrosome serves as a sensory structure leading the sperm towards the ovum.

Acrosome serves no particular function.

Acrosome has a conical pointed structure used for piercing and penetrating the egg resulting in fertilization.

None

Chapter 1 : Sexual Reproduction in Flowering Plants

Chapter2-Human Reproduction

Chapter 3-Reproductive Health

Instruction

Curriculum

Ncert-Class 12 Biology -UNIT VI -REPRODUCTION

Chapter 1 : Sexual Reproduction in Flowering Plants

Chapter2-Human Reproduction

Chapter 3-Reproductive Health

MCQ Practice Test -Chapter2-Human Reproduction

Instruction