Human Reproduction - Online Test

Q1. Beginning of menstrual cycle is called as
Answer : Option D
Explaination / Solution:

At puberty, menstrual cycle begins in girls. The beginning of menstrual cycle is called menarche. It starts at the age of about 12 to 13 years in girls.

Q2. The period between fertilization and birth is called as
Answer : Option C
Explaination / Solution:

The period between fertilisation of ovum till the birth of will developed baby is called gestation period. It is about 10 months in human female.

Q3. Which of the following hormone is produced in female only during pregnancy?
Answer : Option A
Explaination / Solution:

Relaxin is produced by corpus leteum and is responsible for the inhibition of uterine contraction. It also helps in dilation of the cervix. This hormone is produced only during pregnancy.

Q4. The …….. is the sexual intercourse between male and female sex.
Answer : Option D
Explaination / Solution:

Transfer of male gametes (sperm) into female genital tract occurs during sexual intercourse that may leads to fertilisation of ovum for pregnancy. Sexual intercourse is called as coition or coitus.

Q5. Ovulation occurs on the ------ day of menstrual cycle.
Answer : Option D
Explaination / Solution:

The release of ovum from ovary during menstrual cycle is is called ovulation. Ovulation occurs in the middle of menstrual cycle that is on 14-16th day of start of menstrual cycle.

Q6. In human beings, fertilization of egg takes place in
Answer : Option D
Explaination / Solution:

Fertilisation of egg in human female takes place in oviduct or fallopian tube at the junction of ampullar-isthamus. Fertilized egg travels towards the uterus after that.

Q7. Cessation of menstrual cycle in female in female is known as
Answer : Option A
Explaination / Solution:

In female, menstrual cycle stops at about 50 years of age. This is called menopause. It is controlled by hormone released by ovum.

Q8. Two hormones that regulate the menstrual cycle are
Answer : Option A
Explaination / Solution:

Menstrual cycle is controlled by two hormones estrogen and progesterone. Level of estrogen hormone increase sharply during ovulation and progesterone level increase during secretory phase.

Q9. The secretory phase of in the human menstrual cycle is called as
Answer : Option A
Explaination / Solution:

Menstrual cycle is divided into three phases menstruation phase, follicular phase or proliferative phase and luteal phase or secretory phase.

Q10. The cellular layer that disintegrates and regenerates again and again is
Answer : Option B
Explaination / Solution:

Endometrium is the inner lining of uterus which disintegrates and regenerates again and again during menstrual cycle.