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Current Affairs January 2024

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4

Villi of human placenta develop from ..

A. Chorion

B. Allantois

C. Yolk sac

D. Amnion

Correct Answer :

A. Chorion


Related Questions

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4

The most important region of the decidua for the nourishment of the conceptus is the deciduas

A. Frondosum

B. Capsularis

C. Parietalis

D. Basalis

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4

Embryonic connective tissue is formed from ..

A. ectoderm

B. endoderm

C. Mesenchyme

D. Mesogloea

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4

When is the best time to get FSH levels checked?

A. Day 7 of the menstrual cycle

B. Day 21 of the menstrual cycle

C. Day 3 of the menstrual cycle

D. Day 14 of the menstrual cycle

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4

Correct sequence of hormone secretion from beginning of menstruation is ...

A. FSH, progesterone, estrogen

B. Estrogen, fsh, progesterone

C. FSH, estrogen, progesterone

D. Estrogen, progesterone, FSH

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4

Identical twins are also known as ..

A. monozygotic twins

B. Dizygotic twins

C. Fraternal twins

D. Zygotic twins

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Thick layer which surrounds the ovum is ...

A. Zona pellucida

B. Membrana granulosa

C. Corona radiata

D. Theca interna

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4

Menstrual phase is followed by .

A. Luteal phase

B. Follicular phase

C. Fertilization

D. Implantation

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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

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4

The first milk which comes out just after child birth is known as .

A. Colostrum

B. Prolactin

C. Hind milk

D. Lactogen

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4

Which part of the ovary act as an endocrine gland in human beings

A. Stroma

B. Vitteline membrane

C. Graffian follicle

D. Epithelium

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4

Which layer of embryo is formed first

A. ectoderm

B. Mesoderm

C. Endoderm

D. Mesenchyma

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4

Total numbers of ovum released in the life time of a woman is approximately

A. 40

B. 400

C. 4000

D. 20000

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4

Third phase of embryo development is ...

A. Cleavage

B. Fertilization

C. Gametogenesis

D. Gastrulation

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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

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4

Sickle cell anaemia induce to

A. Change of amino acid in a- chain of haemoglobin

B. Change of amino acid in b- chain of haemoglobin

C. Change of amino acid in both a and b chains of haemoglobin

D. Change of amino acid either a or b chains of haemoglobin

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4

Mammary glands are modification of ...

A. Sebaceous glands

B. Sweat glands

C. Meibomian glands

D. None of the above

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4

A marriage between man with normal vision and colour blind woman will give birth to

A. Colour blind sons and 50% carrier daughter

B. 50% colourblind sons and 50% carrier daughter

C. Normal males and carrier daughters

D. Colour blind sons and carrier daughters.

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4

Medical termination of pregnancy is safe till how many weeks of pregnancy?

A. 10 weeks

B. 12 weeks

C. 20 weeks

D. 22 weeks

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4

Chorionic gonadotropin is secreted by ...

A. Pituitary

B. Ovary

C. Placenta

D. Uterus

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4

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

A. Capacitor

B. Head

C. Corona

D. Acrosome

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4

Gestation period of 280 days is calculated from time of ...

A. Last menstruation

B. Fertilization

C. First day of last menstruation

D. Ovulation

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4

Fertility in women may be impaired by

A. Hypertension

B. Gall stones

C. Obesity

D. Short stature

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4

Name the pituitary hormone that regulates sertoli cells

A. Prolactin

B. LH

C. FSH

D. Oxytocin

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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.

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4

Highly sophisticated procedure of injecting sperm directly into the ovum is

A. GIFT

B. ZIFT

C. ICSI

D. IUI

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4

The three primary germ layers, ectoderm, endoderm and mesoderm are differentiated during

A. Blastulation

B. Neurulation

C. Gastrulation

D. Organogenesis

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4

Increase in basal body temperature in the middle of menstrual cycle is a sign of

A. Fertilization

B. Onset of menstruation

C. Menopause

D. Ovulation

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4

Human eggs are

A. Mesolecithel

B. Microlecithel

C. Macrolecithel

D. Alecithel

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4

The hormone responsible for enlargement of mammary glands at puberty is

A. Progesterone

B. Oestrogen

C. Testosterone

D. Oxytocin

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Acrosome occurs in the sperm in

A. Tail part

B. Behind the nucleus

C. Middle piece

D. Tip