The female reproductive structure where the embryo implants and develops is the: MCQ with Answer and Explanation

The female reproductive structure where the embryo implants and develops is the:
A. Fallopian tube
B. Ovary
C. Vagina
D. Uterus
Answer: Option D
Solution (By JKSSB Mock Tests)
The uterus (womb) is a muscular organ where the fertilized egg implants in the thickened endometrium and develops into a fetus during pregnancy. The ovaries produce eggs, the fallopian tubes are the site of fertilization, and the vagina is the birth canal. The endometrium is shed during menstruation if no pregnancy occurs.

Discuss this Question (0)

No comments yet. Be the first to start the discussion!

Practice More Biology Questions

Question #1
During which phase of the cell cycle does the centrosome duplicate?
A. S phase
B. M phase
C. G1 phase
D. G2 phase

Correct Answer: Option A


Explanation:
The centrosome, which contains two centrioles, duplicates during the S phase of the cell cycle, concurrent with DNA replication. This ensures that by the time the cell enters mitosis, it has two fully formed centrosomes to organize the mitotic spindle. G1 is for growth, G2 is for preparation for M phase, and M phase is for actual division.

This question belongs to: Science Biology
Question #2
The vitamin that is essential for the proper development of the fetal nervous system is:
A. Vitamin K
B. Folic acid
C. Vitamin D
D. Vitamin B₁₂

Correct Answer: Option B


Explanation:
Folic acid prevents neural tube defects like spina bifida. It is recommended during early pregnancy. B₁₂ is for DNA synthesis, D for bone, K for clotting.

This question belongs to: Science Biology
Question #3
In humans, the number of autosomal chromosomes in a sperm is:
A. 44
B. 23
C. 22
D. 46

Correct Answer: Option C


Explanation:
Human sperm is haploid (n=23) containing 22 autosomes and one sex chromosome (X or Y). Somatic cells have 44 autosomes + XY or XX.

This question belongs to: Science Biology