Human Reproduction Test

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Human Reproduction Test - 22

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Weekly Quiz Competition

Question 1
1 / -0

Choose the incorrect statement from the following:

A
In birds and mammals internal fertilisation takes place

B
Colostrum contains antibodies and nutrients

C
Polyspermy in mammals is prevented by the chemical changes in the egg surface

D
In the human female implantation occurs almost seven days after fertilisation

Solution

Absorption of water by zona pellucida results in its swelling. This prevents further entry of sperms and thus polyspermy is prevented. So physical change rather than chemical change is responsible for prevention of polyspermy in mammals.
Question 2
1 / -0

Identify the correct statement from the following:

A
High levels of estrogen triggers the ovulatory surge.

B
Oogonial cells start to proliferate and give rise to functional ova in regular cycles from puberty onwards.

C
Sperms released from seminiferous tubules are highly motile.

D
Progesterone level is high during the post ovulatory phase of menstrual cycle.

Solution

High levels of LH and FSH trigger the ovulatory surge. Sperms released from seminiferous tubules are non-motile. Oogonial cells cease activity when the girl child is still Exercise in the womb.
Question 3
1 / -0

Spot the odd one out from the following structures with reference to the male reproductive system:

A
Rete testis

B
Epididymis

C
Vasa efferentia

D
Isthmus

Solution

Isthmus is a part of the oviduct in female reproductive system. Others are parts of the male reproductive system.
Question 4
1 / -0

Seminal plasma, the fluid part of semen, is contributed by.

i. Seminal vesicle

ii. Prostate gland

iii. Urethra

iv. Bulbourethral gland

A
i and ii

B
i, ii and iv

C
ii, iii and iv

D
i and iv

Solution

Urethra has no contribution to seminal plasma.
Question 5
1 / -0

Spermiation is the process of the release of sperms from:

A
Seminiferous tubules

B
Vas deferens

C
Epididymis

D
Prostate gland

Solution

Seminiferous tubules
Question 6
1 / -0

Mature Graafian follicle is generally present in the ovary of a healthy human female around:

A
5 – 8 day of menstrual cycle

B
11 – 17 day of menstrual cycle

C
18 – 23 day of menstrual cycle

D
24 – 28 day of menstrual cycle

Solution

This is the period during which ovulation takes place after rupture in Graafian follicle.
Question 7
1 / -0

Acrosomal reaction of the sperm occurs due to:

A
Its contact with zona pellucida of the ova

B
Reactions within the uterine environment of the female

C
Reactions within the epididymal environment of the male

D
Androgens produced in the uterus

Solution

Enzyme from acrosome breaks down the zona pellucida so that sperm can enter the ova.
Question 8
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 a part of fallopian tube.
Question 9
1 / -0

The spermatogonia undergo division to produce sperms by the process of spermatogenesis.

Choose the correct one with reference to above.

A
Spermatogonia have 46 chromosomes and always undergo meiotic cell division

B
Primary spermatocytes divide by mitotic cell division

C
Secondary spermatocytes have 23 chromosomes and undergo second meiotic division

D
Spermatozoa are transformed into spermatids

Solution

Spermatogonia have 46 chromosomes and they undergo meiotic cells division, primary spermatocytes undergo meiotic cell division, spermatids are transformed into spermatozoa. So, option ‘a’, ‘c’ and ‘d’ are incorrect.

Question 10

1 / -0

Match between the following representing parts of the sperm and their functions and choose the correct option.

Column I	Column II
A. Head	i. Enzymes
B. Middle piece	ii. Sperm motility
C. Acrosome	iii. Energy
D. Tail	iv. Genetic material

A-ii, B-iv, C-i, D-iii

A-iv, B-iii, C-i, D-ii

A-iv, B-i, C-ii, D-iii

A-ii, B-i, C-iii, D-iv

Solution

The nucleus is present in the head. Acrosome releases enzyme which dissolves zona pellucida. Tail helps in swimming of sperm and middle piece is the place where mitochondria are present.

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Re-Attempt Weekly Quiz Competition

Human Reproduction Test - 22

Result

Human Reproduction Test - 22

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SHARING IS CARING

Question 1

In birds and mammals internal fertilisation takes place

Colostrum contains antibodies and nutrients

Polyspermy in mammals is prevented by the chemical changes in the egg surface

In the human female implantation occurs almost seven days after fertilisation

Solution

Question 2

High levels of estrogen triggers the ovulatory surge.

Oogonial cells start to proliferate and give rise to functional ova in regular cycles from puberty onwards.

Sperms released from seminiferous tubules are highly motile.

Progesterone level is high during the post ovulatory phase of menstrual cycle.

Solution

Question 3

Rete testis

Epididymis

Vasa efferentia

Isthmus

Solution

Question 4

i and ii

i, ii and iv

ii, iii and iv

i and iv

Solution

Question 5

Seminiferous tubules

Vas deferens

Epididymis

Prostate gland

Solution

Question 6

5 – 8 day of menstrual cycle

11 – 17 day of menstrual cycle

18 – 23 day of menstrual cycle

24 – 28 day of menstrual cycle

Solution

Question 7

Its contact with zona pellucida of the ova

Reactions within the uterine environment of the female

Reactions within the epididymal environment of the male

Androgens produced in the uterus

Solution

Question 8

Seminal vesicle

Ampulla

Prostate

Bulbourethral gland

Solution

Question 9

Spermatogonia have 46 chromosomes and always undergo meiotic cell division

Primary spermatocytes divide by mitotic cell division

Secondary spermatocytes have 23 chromosomes and undergo second meiotic division

Spermatozoa are transformed into spermatids

Solution

Question 10

A-ii, B-iv, C-i, D-iii

A-iv, B-iii, C-i, D-ii

A-iv, B-i, C-ii, D-iii

A-ii, B-i, C-iii, D-iv

Solution

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