04/04/2026
1. The system that differs most between males and females is:
A) Nervous system
B) Digestive system
C) Respiratory system
D) Reproductive system
✅ Answer: D) Reproductive system
📘 Explanation: The reproductive system has completely different organs and functions in males and females, unlike other systems which are mostly similar.
2. The male reproductive organ that produces s***m is:
A) P***s
B) Te**es
C) Prostate gland
D) Urethra
✅ Answer: B) Te**es
📘 Explanation: Te**es are responsible for producing s***m cells and the hormone testosterone.
3. The female reproductive organ that produces ova (eggs) is:
A) Uterus
B) O***y
C) Va**na
D) Fallopian tube
✅ Answer: B) O***y
📘 Explanation: Ovaries produce eggs (ova) and female hormones like estrogen and progesterone.
4. Fertilization in humans usually occurs in the:
A) Uterus
B) O***y
C) Fallopian tube
D) Va**na
✅ Answer: C) Fallopian tube
📘 Explanation: The s***m meets the egg in the fallopian tube, where fertilization takes place.
5. The male hormone is:
A) Estrogen
B) Progesterone
C) Testosterone
D) Insulin
✅ Answer: C) Testosterone
📘 Explanation: Testosterone controls male characteristics like deep voice and facial hair.
6. The female hormone responsible for secondary sexual characteristics is:
A) Testosterone
B) Estrogen
C) Adrenaline
D) Thyroxine
✅ Answer: B) Estrogen
📘 Explanation: Estrogen is responsible for female traits such as breast development and menstrual cycle regulation.
7. The organ where the fetus develops is:
A) O***y
B) Uterus
C) Va**na
D) Cervix
✅ Answer: B) Uterus
📘 Explanation: After fertilization, the embryo implants in the uterus where it grows into a fetus.
8. The tube that carries s***m from te**es is:
A) Ureter
B) Vas deferens
C) Fallopian tube
D) Trachea
✅ Answer: B) Vas deferens
📘 Explanation: Vas deferens transports s***m from te**es to the urethra.
9. The opening of the uterus is called:
A) O***y
B) Cervix
C) Va**na
D) Urethra
✅ Answer: B) Cervix
📘 Explanation: Cervix is the lower narrow part of the uterus that opens into the va**na.
10. The process of fusion of male and female gametes is called:
A) Respiration
B) Fertilization
C) Digestion
D) Excretion
✅ Answer: B) Fertilization
📘 Explanation: Fertilization is the union of s***m and egg to form a zygote.
11. Which organ stores s***m temporarily?
A) Te**es
B) Epididymis
C) P***s
D) Prostate
✅ Answer: B) Epididymis
📘 Explanation: Epididymis stores and matures s***m before ej*******on.
12. The menstrual cycle occurs in:
A) Males
B) Females
C) Both
D) None
✅ Answer: B) Females
📘 Explanation: The menstrual cycle is a monthly process in females preparing the body for pregnancy.