Revise Class 10 Science – How Do Organisms Reproduce? with Our MCQ Mock Test!

Are you confident about the concepts of reproduction in living beings? Test and strengthen your understanding with this MCQ-based mock test on How Do Organisms Reproduce?, designed as per the Class 10 Science syllabus.

This test covers all key topics including asexual reproduction (fission, budding, spore formation, regeneration, vegetative propagation, fragmentation) and sexual reproduction in plants and animals, along with reproductive health.

With exam-oriented multiple-choice questions, this mock test helps you revise thoroughly, identify weak areas, and build accuracy. It’s the perfect way to practice important concepts and prepare effectively for school and board exams.

Attempt now and master the chapter How Do Organisms Reproduce? with confidence!

1. During the process of copying the DNA, some variations are so drastic that

 
 
 
 

2. In the following questions, the Assertion and Reason have been put forward. Read the statements carefully and choose the correct alternative from the following:

Assertion: In human beings, the female play a major role in determining the sex of the offspring.
Reason: Women have two X chromosomes.

 
 
 
 

3. In case the ova does not fertilise, which of the following events will take place?

 
 
 
 

4. Which is the most common method of reproduction in majority of fungi and bacteria?

 
 
 
 

5. While studying binary fission in Amoeba from a permanent slide under a microscope,

(i) unicellular and uninucleate organisms showing irregular outline is observed under low power.

(ii) unicellular and uninucleate organisms showing irregular outline is observed under high power.

(iii) division of cells of Amoeba are observed under high power.

(iv) division of cells of Amoeba are observed under low power.

 
 
 
 

6. The diagram shown below depicts pollination. Choose the options that will show a maximum variation in the offspring.

 
 
 
 

7. The ability of an organism to develop whole body from a broken piece or fragment is called

 
 
 
 

8. What marks the beginning of the reproductive life of a woman?

 
 
 
 

9. In the following questions, the Assertion and Reason have been put forward. Read the statements carefully and choose the correct alternative from the following:

Assertion: Plants raised by vegetative propagation can bear flower and seed earlier than those produced from seeds.
Reason: Plants which lost capacity to bear viable seeds, can propagate through vegetable propagation.

 
 
 
 

10. When the foetus is growing inside the uterus it needs nutrients. Which part provides these nutrients?

 
 
 
 

11. In the following questions, the Assertion and Reason have been put forward. Read the statements carefully and choose the correct alternative from the following:

Assertion: A bisexual flower produces ova as well as the pollen.

Reason: Ova and pollen are produced in the carpel.

 
 
 
 

12. The image shows the formation of spores in Rhizopus.

How spores develop into Rhizopus?

 
 
 
 

13. A pair of duct arising from testis, which carry sperms are

 
 
 
 

14. Where does fertilisation take place?

 
 
 
 

15. The ability to reproduce is lost in a female after

 
 
 
 

16. In the following questions, the Assertion and Reason have been put forward. Read the statements carefully and choose the correct alternative from the following:

Assertion: In human beings the female produces two types of gametes.

Reason: Female has two X chromosomes.

 
 
 
 

17. Which of the following is not an artificial method of vegetative propagation?

 
 
 
 

18. The image shows a bud developing a Hydra.

What is the likely purpose of this division in Hydra?

 
 
 
 

19. There is a greater possibility for the evolution of a new species in organisms which reproduce by

 
 
 
 

20. Which of the following is a primary sex organ in a mammal?

 
 
 
 

21. Pollen grains are produced by

 
 
 
 

22. When a sperm is deposited into the vagina which route does it travel?

 
 
 
 

23. In the following questions, the Assertion and Reason have been put forward. Read the statements carefully and choose the correct alternative from the following:

Assertion: Ovary releases one egg every month.
Reason: The lining of uterus is always thick and spongy.

 
 
 
 

24. Many unicellular organisms reproduce by the process of

 
 
 
 

25. The image shows the female reproductive system.

Which event will be likely affected, if a female’s uterus is implanted with intrauterine device?

 
 
 
 

26. In the following questions, the Assertion and Reason have been put forward. Read the statements carefully and choose the correct alternative from the following:

Assertion: Amoeba reproduced by fission
Reason: All unicellular organisms reproduced by asexual method.

 
 
 
 

27. The diagram below represents the male human reproductive system.

Identify the part that is responsible for the secretion of testosterone.

 
 
 
 

28. The image shows the different parts of a flower

Which part of the pistil is responsible for receiving pollen from stamen in order to perform reproduction?

 
 
 
 

29. In the following questions, the Assertion and Reason have been put forward. Read the statements carefully and choose the correct alternative from the following:

Assertion: In male reproductive system, transport of sperm takes place in a fluid which also provide nutrition.
Reason: Protective glands and seminal vesicles secret in the vas deferens.

 
 
 
 

30. The fertilisation of human egg by the sperm takes place in

 
 
 
 

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