Ovulation and Fertilisation MCQs
Ovulation and Fertilisation – MCQs with Answers & Explanations
Class: CBSE Class 8
Subject: Science
Section: Reproduction in Animals
Topic: Ovulation and Fertilisation MCQs
Board: CBSE Board Examination (Based on NCERT Syllabus)
Subject: Science
Section: Reproduction in Animals
Topic: Ovulation and Fertilisation MCQs
Board: CBSE Board Examination (Based on NCERT Syllabus)
1. Ovulation refers to:
Answer: B. Release of ovum
Explanation: Ovulation is the release of a mature egg from the ovary.
Explanation: Ovulation is the release of a mature egg from the ovary.
2. Ovulation occurs in:
Answer: B. Ovary
Explanation: Ovaries release ova during menstrual cycle.
Explanation: Ovaries release ova during menstrual cycle.
3. Fertilisation is:
Answer: C. Fusion of gametes
Explanation: Sperm and ovum fuse forming zygote.
Explanation: Sperm and ovum fuse forming zygote.
4. Fertilisation in humans occurs in:
Answer: C. Oviduct
Explanation: Also called fallopian tube.
Explanation: Also called fallopian tube.
5. Male gamete is:
Answer: C. Sperm
Explanation: Fertilizes ovum.
Explanation: Fertilizes ovum.
6. Female gamete is:
Answer: B. Ovum
Explanation: Produced in ovaries.
Explanation: Produced in ovaries.
7. First cell formed after fertilisation:
Answer: C. Zygote
Explanation: It divides repeatedly.
Explanation: It divides repeatedly.
8. Zygote develops into:
Answer: B. Embryo
Explanation: Through repeated divisions.
Explanation: Through repeated divisions.
9. Implantation occurs in:
Answer: B. Uterus wall
Explanation: Embryo attaches to uterine lining.
Explanation: Embryo attaches to uterine lining.
10. Human fertilisation type:
Answer: B. Internal
Explanation: Occurs inside female body.
Explanation: Occurs inside female body.
11. Ovulation occurs once in about:
Answer: C. 28 days
Explanation: Average menstrual cycle length.
Explanation: Average menstrual cycle length.
12. Structure capturing ovum:
Answer: B. Oviduct
Explanation: Receives ovum after ovulation.
Explanation: Receives ovum after ovulation.
13. Fertilised egg travels to:
Answer: B. Uterus
Explanation: For implantation.
Explanation: For implantation.
14. If fertilisation fails:
Answer: B. Menstruation occurs
Explanation: Uterine lining sheds.
Explanation: Uterine lining sheds.
15. Hormones controlling ovulation:
Answer: B. Estrogen & Progesterone
Explanation: Regulate menstrual cycle.
Explanation: Regulate menstrual cycle.
16. Ovulation begins at:
Answer: B. Puberty
Explanation: Reproductive maturity begins.
Explanation: Reproductive maturity begins.
17. Gametes are:
Answer: B. Reproductive cells
Explanation: Sperm and ovum.
Explanation: Sperm and ovum.
18. Fertilisation results in:
Answer: B. Zygote
Explanation: First stage of new life.
Explanation: First stage of new life.
19. Site of implantation:
Answer: B. Uterus
Explanation: Embryo embeds in uterine wall.
Explanation: Embryo embeds in uterine wall.
20. Fertilisation ensures:
Answer: B. Reproduction continuation
Explanation: Leads to formation of new individual.
Explanation: Leads to formation of new individual.
