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Class 10 Science Chapter 7 Practice Question Answers - How Do Organisms Reproduce

Questions


1. Expand the following terms :

(i) IUCD (ii) STD (iii) HIV (iv) AIDS

2. How do oral contraceptives function?

3. What is contraception?

4. What is family planning? 

5. What is a vasectomy?VasectomyVasectomy

6. What do you understand by fertilization?

7. What is the product of the fusion of a sperm and an ovum known as?

8. What changes occur in girls in the age group of 10-13 years?

9. Draw a well-labelled diagram depicting vasectomy and tubectomy.

10. Why is fertilization in humans possible, if copulation takes place during the middle of the menstrual cycle ?

Very Short Answer Type Questions


1. Where does fertilization take place?

2. What is a foetus?

3. How is an embryo produced?

4. What is a zygote?

5. Write three examples of animals in which external fertilization occur.

6. Draw a labelled diagram of male reproductive system.

7. Name the parts present in human sperm. Show by labelled diagram.

8. What is syngamy?

9. What is the name given to primary sex organs?

10. What are copulatory organs?

Short Answer Type Questions

1. What are the parts of a male reproductive system?

2. Define metamorphosis.

3. How does internal fertilization differ from external fertilization?

4. How does a sperm differ from an ovum?

5. Draw a labelled diagram of female reproductive system.

6. What are oviparous & viviparous animals?

7. Describe the process of development of zygote to foetus in brief.

8. What is puberty?

9. At what age do human males and females attain puberty?

10. What is tubectomy?

11. Why is it important to study about reproductive health?

12. What is ovulation?

13. Which organ enables the developing foetus to obtain nourishment from the mother's blood?

14. What are Graafian follicles?

15. What is gestation?

16. How many follicles mature every month during the reproductive phase of a human female?

17. What is internal fertilization? Give an example.

18. What happens if the mature ovum is not fertilized in a female?

19. Distinguish between

(i) Egg and Embryo (ii) Male and Female Urethra

20. Why is the vagina also called as 'birth canal'?

Long Answer Type Questions

1. Why do female frogs produce eggs in large number?

2. "Sexual reproduction is more advance than asexual reproduction" why?

3. How foetus is different from the embryo?

4. In which female reproductive organ does the embryo get embedded and why?

5. How could a single cell become such a big individual?

NCERT Questions


1. What is the role of the seminal vesicles and the prostate gland?

2. What are the change seen in girls at the time of puberty?

3. How does the embryo get nourishment inside the mother's body?

4. If a woman is using a copper-T, will it help in protecting her from sexually transmitted diseases?

5. What are the functions performed by the testis in human beings?

6. Why does menstruation occur?

7. What are the different methods of contraception?

8. What could be the reason for adopting contraceptive methods?

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FAQs on Class 10 Science Chapter 7 Practice Question Answers - How Do Organisms Reproduce

1. How do organisms reproduce?
Ans. Organisms reproduce through a process called reproduction, where they produce offspring that are similar to themselves. There are two main types of reproduction - sexual reproduction and asexual reproduction.
2. What is sexual reproduction?
Ans. Sexual reproduction is a type of reproduction that involves the fusion of male and female gametes (reproductive cells) to form a new individual. This process requires the involvement of two parents and leads to genetic variation in the offspring.
3. What is asexual reproduction?
Ans. Asexual reproduction is a type of reproduction that involves the production of offspring from a single parent without the involvement of gametes. In this process, the offspring are genetically identical to the parent and there is no genetic variation.
4. What are the advantages of sexual reproduction?
Ans. Sexual reproduction has several advantages. It leads to genetic variation in the offspring, which increases their chances of survival in changing environments. It also allows for the repair of damaged DNA through recombination. Additionally, sexual reproduction promotes the evolution of new traits and adaptations.
5. What are the different methods of asexual reproduction?
Ans. There are several methods of asexual reproduction, including binary fission, budding, fragmentation, and vegetative propagation. In binary fission, the parent organism divides into two equal parts, each of which grows into a new individual. Budding involves the growth of a smaller offspring on the parent's body. Fragmentation is the breaking of the parent organism into multiple pieces, each of which develops into a new individual. Vegetative propagation involves the growth of new plants from specialized structures such as bulbs, tubers, and runners.
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