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. The diagram below represents the male human reproductive system.

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

 
 
 
 

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

 
 
 
 

3. 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.

 
 
 
 

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

 
 
 
 

5. Pollen grains are produced by

 
 
 
 

6. 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.

 
 
 
 

7. Where does fertilisation take place?

 
 
 
 

8. 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.

 
 
 
 

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

 
 
 
 

10. Many unicellular organisms reproduce by the process of

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

14. 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.

 
 
 
 

15. The image shows a bud developing a Hydra.

What is the likely purpose of this division in Hydra?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

18. 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.

 
 
 
 

19. 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.

 
 
 
 

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

 
 
 
 

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

 
 
 
 

22. 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.

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

27. 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.

 
 
 
 

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

How spores develop into Rhizopus?

 
 
 
 

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

 
 
 
 

30. 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?

 
 
 
 

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