Home
Current Affairs January 2024

What is the correct answer?

4

Which cells provide nutrition to the sperms?

A. Sertoli cells

B. Leydig cells

C. Crypt cells

D. Semniferous tubules

Correct Answer :

A. Sertoli cells


Related Questions

What is the correct answer?

4

What are the chances of a normal fertile couple having a baby in one year?

A. 40%

B. 80%

C. 20%

D. 50%

What is the correct answer?

4

Immediately after ovulation, the ovum is covered by a membrane called

A. Chorion

B. Zona pellucida

C. Corona radiata

D. Vitelline membrane

What is the correct answer?

4

Human embryo is enclosed by a sac called

A. Scrotum

B. Ericardium

C. Placenta

D. Amniotic sac

What is the correct answer?

4

Chorionic gonadotropin is secreted by ...

A. Pituitary

B. Ovary

C. Placenta

D. Uterus

What is the correct answer?

4

In ectopic pregnancy, foetus grows in ...

A. Vagina

B. Fallopian tube

C. Uterus

D. Body cavity

What is the correct answer?

4

Haemophilia is more common in males because it is a

A. Recessive character carried by y-chromosome

B. Dominant character carried by y-chromosome

C. Dominant trait carried by x-chromosome

D. Recessive trait carried by x-chromosome

What is the correct answer?

4

Cri-du-chat syndrome in humans is caused by the

A. Trisomy of 21st chromosome

B. Fertilization of an xx egg by a normal y-bearing sperm

C. Loss of half of the short arm of chromosome 5

D. Loss of half of the long arm of chromosome 5

What is the correct answer?

4

In humans female ovulation occurs during menstrual cycle

A. At the end of proliferative phase

B. At the beginning of proliferative phase

C. Before the end of secretary phase

D. In the middle of secretary phase

What is the correct answer?

4

Which of the following is not a hereditary disease?

A. Cystic fibrosis

B. Thalassaemia

C. Haemophilia

D. Cretinism

What is the correct answer?

4

The surgical method of contraception in males

A. Hysterectomy

B. Vasectomy

C. Castration

D. Circumcision

What is the correct answer?

4

Correct sequence in embryonic development is ..

A. Fertilization -> zygote -> cleavage -> morula -> blastula -> gastrula

B. Fertilization -> zygote -> cleavage -> blastula -> morula -> gastrula

C. Fertilization -> zygote -> cleavage -> morula -> blastula -> gastrula

D. Fertilization -> zygote -> gastrulae -> morula -> blastula -> cleavage

What is the correct answer?

4

Cu ions released from copper-releasing intra uterine devices (iuds)

A. Prevent ovulation

B. Suppress sperm motility

C. Prevents implantation of embryo

D. Kills sperms

What is the correct answer?

4

Normal sperm count is

A. 40 to 300 million per ml

B. 10 to 20 million per ml

C. < 10 million per ml

D. 200 million per ml

What is the correct answer?

4

Number of chromosomes in secondary oocyte stage in humans is ...

A. 23

B. 46

C. 18

D. 20

What is the correct answer?

4

The male hormone testosterone is secreted by

A. Sertoli cells

B. Leydig cells

C. Crypt cells

D. Semniferous tubules

What is the correct answer?

4

In a semen analysis, the following is not acceptable as normal�

A. 25 % abnormal forms

B. 60% motility after 3 hours

C. Mild Alkaline reaction

D. Sperm count of 17 million per ml.

What is the correct answer?

4

Pregnancy begins with implantation of

A. Embryo

B. Fertilized ovum

C. Blastopore

D. Blastocyst

What is the correct answer?

4

In a 28 day menstrual cycle, ovulation occurs on ...

A. Day 1

B. Day 5

C. Day 14

D. Day 28

What is the correct answer?

4

Which one is not the function of human placenta

A. Helps co2 and excretory products pass from foetus to mother's body

B. Helps o2 and nutrients from mother's body enter the foetus

C. Secretes hormones

D. It protects foetus from mechanical shocks

What is the correct answer?

4

The rate of active movement of sperm is ...

A. 1.5 -3.0 mm/min

B. 1.5 - 3.0 cm/min

C. 1.5 -3.0 m/min

D. 1.5 -3.0 m/hr

What is the correct answer?

4

Fertilization of the ovum takes place in

A. Ovary

B. Uterus

C. Fallopian tube ampulla

D. Cervix

What is the correct answer?

4

Combined Oral contraceptives prevent pregnancy by

A. Tubal block

B. Preventing spermatogenesis

C. Forming a barrier between the ovum and sperm

D. Suppressing ovulation

What is the correct answer?

4

Name the pituitary hormone that regulates sertoli cells

A. Prolactin

B. LH

C. FSH

D. Oxytocin

What is the correct answer?

4

In infertility treatment the ovum is fertilized outside the body and injected into the uterus

A. Gamete intra fallopian transfer

B. Invitro fertilization

C. Intra uterine insemination

D. Zygote intra fallopian transfer

What is the correct answer?

4

During ovulation, for favourable sperm travel oestrogen causes

A. Cervical mucus to become stretchy and clear

B. Less cervical mucus production

C. Tenderness of cervix

D. Slight vaginal bleeding

What is the correct answer?

4

The part of the sperm containing proteolytic enzymes to digest the zona pellucida is the:

A. Capacitor

B. Head

C. Corona

D. Acrosome

What is the correct answer?

4

Temperature in scrotum necessary for sperm formation is usually ...

A. 2°c above body temperature

B. 2° c below body temperature

C. 4°c above body temperature

D. 4° c below body temperature

What is the correct answer?

4

Fertilization is fusion of ..

A. Diploid spermatozoan with diploid ovum to form diploid zygote

B. Haploid spermatozoan with diploid ovum to form diploid zygote

C. Diploid spermatozoan with haploid ovum to form diploid zygote

D. Haploid spermatozoan with haploid ovum to form diploid zygote

What is the correct answer?

4

Villi of human placenta develop from ..

A. Chorion

B. Allantois

C. Yolk sac

D. Amnion

What is the correct answer?

4

Which of the following statements is most correct about the human menstrual cycle.

A. The menstrual cycle in all women is a 28 day cycle

B. Ovulation always occurs at the midpoint of the menstrual cycle

C. A high body temperature indicates ovulation is occurring

D. The menstrual cycle is an endocrine cycle regulating reproductive physiological changes