Early Embryonic Development Practice Questions

Question 1

Where does meiosis occur in human females?

Accepted Answer

In the adult ovary

Answer

At birth in the ovary

Answer

In the adult testis

Answer

In the prepubertal testis

Question 2

Which of the following statements about fallopian tubes is incorrect?

Accepted Answer

Lined by cuboidal epithelium

Answer

Tubal ostium is the point where the tubal canal meets the peritoneal cavity

Answer

Müllerian ducts develop in females into the Fallopian tubes

Answer

Isthmus is the narrower part of the tube that links to the uterus

Question 3

The labia majora develop from which embryological structure?

Accepted Answer

Labioscrotal swellings

Answer

Urogenital folds

Answer

Müllerian ducts

Answer

Genital tubercle

Question 4

At 30 days of intrauterine life, what is the expected developmental milestone?

Accepted Answer

Optic vesicle appears

Answer

Heart starts beating

Answer

Cerebellum develops

Answer

Pinna appears

Question 5

Which of the following statements about the anatomy of the Fallopian tubes is true?

Accepted Answer

Lateral to medial structures are fimbriae, ampulla, isthmus, interstitial part

Answer

Length is 20 cm

Answer

All of the options

Answer

Medial to lateral structures are isthmus, interstitial part, ampulla & fimbriae

Question 6

The window of implantation occurs at which of the following time periods after fertilization?

Accepted Answer

6-10 days

Answer

12 days

Answer

12 weeks

Answer

6 weeks

Question 7

Closure of the neural tube begins from which anatomical region?

Accepted Answer

Cervical region

Answer

Cephalic

Answer

Podalic

Answer

Lumbar region

Question 8

Which of the following is derived from endoderm?

Accepted Answer

Gall bladder

Answer

Lens

Answer

Spleen

Answer

Lymph nodes

Question 9

Female urethra develops from -

Accepted Answer

Urogenital sinus

Answer

Mesonephric duct

Answer

Ureteric bud

Answer

Metanephric blastema

Question 10

Malleus and incus are derived from?

Accepted Answer

1st Arch

Answer

3rd Arch

Answer

4th Arch

Answer

2nd Arch

Early Embryonic Development — MCQs

Early Embryonic Development — MCQs

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