Embryology(Human Anatomy And Physiology ) Questions and answers for exam Preparation

Question 1. How many stages does parturition have?

1
2
3
4

Explanation:-

Answer: Option C. -> 3
Answer: (c).3

Question 2. Ectodermal cells thicken into placodes that develop into ___________

the spinal cord
peripheral nerves
sensory organs
skeletal muscles

Explanation:-

Answer: Option C. -> sensory organs
Answer: (c).sensory organs

Question 3. Organogenesis in the embryo is completed by the end of which stage of the pregnancy?

3rd trimester
1st month
2nd trimester
1st trimester

Explanation:-

Answer: Option D. -> 1st trimester
Answer: (d).1st trimester

Question 4. The embryo developed from somatic cells is called as _____________

embryoid
cybrid
callus
hybrid

Explanation:-

Answer: Option A. -> embryoid
Answer: (a).embryoid

Question 5. In meroblastic cleavage the cleavage occurs in the ___________

placodes
blastodisc
trophoblast
yolk

Explanation:-

Answer: Option B. -> blastodisc
Answer: (b).blastodisc

Question 6. The first movement of fetus and the appearance of hair on head occurs during?

5th month
7th month
2nd month
9th month

Explanation:-

Answer: Option A. -> 5th month
Answer: (a).5th month

Question 7. Mother’s milk during lactation is rich in _________

IgA
IgG
IgM
IgE

Explanation:-

Answer: Option A. -> IgA
Answer: (a).IgA

Question 8. Which one of the following is not a placental hormone?

Progesterone
HCS
HCG
Melatonin

Explanation:-

Answer: Option D. -> Melatonin
Answer: (d).Melatonin

Question 9. The third layer to form in gastrulation is ____________

Archenteron
Ectoderm
Endoderm
Mesoderm

Explanation:-

Answer: Option D. -> Mesoderm
Answer: (d).Mesoderm

Question 10. The zygote undergoes cleavage forming a solid ball of cells of the uniform size called _________

Morula
Blastula
Gastrula
Neurula

Explanation:-

Answer: Option A. -> Morula
Answer: (a).Morula