Human Reproduction Test

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Human Reproduction Test - 76

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Weekly Quiz Competition

Question 1
1 / -0

The structures derived from ectoderm are:-

(i) Pituitary gland
(ii) Cornea
(iii) Kidneys
(iv) Notochord

A
(i) and (iii)

B
(ii) and (iii)

C
(i) and (ii)

D
(ii) and (iv)

Solution

Germ layer Derivatives
Ectoderm - Epidermis, pituitary gland, cornea, enamel of teeth, etc.
Mesoderm - Dermis, muscles, kidney, notochord, etc.
Endoderm - Epithelium of mouth, gall bladder, liver, etc.
Question 2
1 / -0

Gastrula is the embryonic stage in which _____________.

A
Cleavage occurs

B
Blastocoel form

C
Germinal layers form

D
Villi form

Solution

Transformation of the blastocyst into gastrula with primary germ layers by rearrangement of the cells is called gastrulation. In all the triploblastic animals three germ layers - ectoderm, mesoderm and endoderm are formed by characteristic movements of some of the cells known as morphogenetic movements.
Question 3
1 / -0

Cessation of menstrual cycle in a woman is called ___________.

A
Lactation

B
Ovulation

C
Menopause

D
Parturition

Solution

Menopause is a phase occurring between the age of 45 to 55 years In a woman's life when ovulation and menstruation stop.
So, The correct answer is C.
Question 4
1 / -0

At menopause there is rise in urinary excretion of ____________.

A
FSH

B
STH

C
MSH

D
None of these

Solution

During menopause, the level of estrogen in the blood decreases. Thus, estrogen can no longer inhibit the production of FSH and LH. Therefore, FSH and LH (mainly FSH) are produced after menopause in large quantities and these (mainly FSH) are excreted out in urine.
Question 5
1 / -0

During the development of embryo, which of the following occurs first?

A
Differentiation of organ

B
Differentiation of tissue

C
Differentiation of organ system

D
Differentiation of cells

Solution

After fertilisation, the zygote undergoes the process of cleavage to form a number of cells which ultimately undergo the process of differentiation and then form tissues, organ and lastly organ systems.
Question 6
1 / -0

Preparation of sperm before penetration of ovum is_______________.

A
Spermiation

B
Cortical reaction

C
Spermiogenesis

D
Capacitation

Solution

The secretions of the female genital tract remove coating substances deposited on the surface of the sperms particularly those on the acrosome. Thus, the receptor sites on the acrosome get exposed and sperm become active to penetrate the egg. This phenomenon of sperm activation in mammals is known as capacitation.
So, The correct answer is (D).
Question 7
1 / -0

Which of the following statements concerning menopause is correct?

A
Menopause occurs because all of the female's follicles become hormone-producing corpus luteum at once

B
Menopausal symptoms are a result of decrease in the production of FSH and LH

C
The onset of menopause is primarily due to follicle atresia

D
All of these

Solution

Follicular atresia means degeneration of follicles. Thus, if all follicles get degenerated at the age of 45-50 years, there will be no ovulation and hence no menstruation which leads to menopause.
Question 8
1 / -0

Withdrawal of which of the following hormones is the immediate cause of menstruation?

A
Progesterone

B
Estrogen

C
FSH

D
FSH-RH
Question 9
1 / -0

Spermiation is the process of the release of sperms from

A
seminiferous tubules

B
vas deferens

C
epididymis

D
prostate gland.

Solution

Spermiation is the release of sperms from seminiferous tubules. From here, they will be transported to vasa efferentia and then to epididymis where maturation of sperms occur.
Question 10
1 / -0

Which one of the following is not a male accessory gland?

A
Seminal vesicle

B
Ampulla

C
Prostate

D
Bulbourethral gland

Solution

Ampulla is the part of oviduct between the infundibulum and isthmus. It is at the ampullary-isthmus junction, where fertilisation take place.

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Germ layer		Derivatives
Ectoderm	-	Epidermis, pituitary gland, cornea, enamel of teeth, etc.
Mesoderm	-	Dermis, muscles, kidney, notochord, etc.
Endoderm	-	Epithelium of mouth, gall bladder, liver, etc.

Human Reproduction Test - 76

Result

Human Reproduction Test - 76

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SHARING IS CARING

Question 1

(i) and (iii)

(ii) and (iii)

(i) and (ii)

(ii) and (iv)

Solution

Question 2

Cleavage occurs

Blastocoel form

Germinal layers form

Villi form

Solution

Question 3

Lactation

Ovulation

Menopause

Parturition

Solution

Question 4

FSH

STH

MSH

None of these

Solution

Question 5

Differentiation of organ

Differentiation of tissue

Differentiation of organ system

Differentiation of cells

Solution

Question 6

Spermiation

Cortical reaction

Spermiogenesis

Capacitation

Solution

Question 7

Menopause occurs because all of the female's follicles become hormone-producing corpus luteum at once

Menopausal symptoms are a result of decrease in the production of FSH and LH

The onset of menopause is primarily due to follicle atresia

All of these

Solution

Question 8

Progesterone

Estrogen

FSH

FSH-RH

Question 9

seminiferous tubules

vas deferens

epididymis

prostate gland.

Solution

Question 10

Seminal vesicle

Ampulla

Prostate

Bulbourethral gland

Solution

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