How do Organisms Reproduce: Class 10 Previous Year Questions

How do Organisms Reproduce questions asked in CBSE board exams

Repeated questions first. Open the free app to see each question as it appeared in the paper, with its marking scheme.

1. Identify the type of reproduction shown in the diagram given below : 2. (A)Budding (B)Fragmentation (C) Spore Formation (D)Binary Fission Page 3 of 24 3. (A·(B) (C) 4. h () (B) (C) (D) i 5. () 6. (i) X, () fachru : (A) (i) (ii) (B) (i) (C) (i) (ii) (D) (iii) 7…
   Board 20261 markMCQ
2. Identify the correct statement for spirogyra, leishmania and hydra : (A) they reproduce sexually. (B) they are unicellular. (C) they are multicellular. (D) they reproduce asexually.
   Board 20261 markMCQ
3. (a) State two differences between the act of chewing food and salivation on sight of food. OR (b) State two differences between pollination and fertilization.
   Board 20261 markvery short
4. Draw a neat diagram to show germination of pollen on the female reproductive part of the flower. Name and label only the following parts : (a) The part that receives the pollen grain. (b) The structure that carries the male germ cell to reach the female germ c…
   Board 20261 markvery short
5. (a) Given below are certain situations. Analyse each and describe its possible impact : (i) A population of bacteria living in temperate waters whose temperature increased by global warming. (ii) The sperm encounters the egg when it reaches the oviduct in huma…
   Board 20261 markvery short
6. Spirogyra, despite being a multi-cellular organism, still shows a simple reproductive method. Select the correct option with regard to reproduction in Spirogyra : 1 (A) Asexual reproduction by division of cells into two cells (B) Sexual reproduction by divisio…
   Board 20261 markMCQ
7. When a girl is born, the ovaries already contain thousands of immature eggs. On reaching puberty, some of these start maturing. One matured egg is released every month by one of the ovaries. The two oviducts unite into an elastic bag-like structure known as ut…
   Board 20254 marksshort answer
8. Draw labelled diagrams to show different stages of budding in Hydra.
   Board 20252 marksshort answer
9. The correct/true statement(s) for a bisexual flower is/are : (i) They possess both stamen and pistil. (ii) They possess either stamen or pistil. (iii) They exhibit either self-pollination or cross-pollination. (iv) They cannot produce fruits on their own. (A) …
   Board 20251 markMCQ
10. Bryophyllum produces new plant through : (A) Apical buds formed on the tip of the plant (B) Vegetative buds produced in the notches of the leaf (C) Flowers produced in the notches of the branches (D) Fruits formed on the branches of the plant
    Board 20251 markMCQ
11. In which of the following organisms, multiple fission is a means of asexual reproduction ? (a) Yeast (b) Leishmania (c) Paramoecium (d) Plasmodium.
    Board 20241 markAssertion-Reason
12. Asexual reproduction involves a single parent to produce offsprings without the formation of gametes. It occurs by the following ways : Fission, Budding, Fragmentation, Spore formation and Regeneration. In one of the methods like regeneration, Planaria A is cu…
    Board 20244 marksshort answer
13. l. Identify the mode of asexual reproduction in the following organism : Fragmentation (A) (B) Multiple fission (C) Budding (D)Binary fission
    Board 20241 markMCQ
14. (A) (i) Name three techniques/devices used by human females to avoid pregnancy. Mention the side effects caused by each. (ii) What will happen if in a human female (a) fertilisation takes place, (b) an egg is not fertilised ? OR (B)(i) Draw a diagram showing s…
    Board 20245 markslong answer
15. Explain the events that take place once a sperm reaches the oviduct till it becomes a foetus. Write the role of placenta in pregnancy.
    Board 20243 marksshort answer
16. Consider the following statements : (i) The sex of a child is determined by what it inherits from the mother. (i) The sex of a child is determined by what it inherits from the father. (ii) The probability of having a male child is more than that of a female ch…
    Board 20241 markMCQ
17. Select out of the following a gland which does NOT occur as a pair in the human body : (A) Pituitary (B)Ovary (C) Testis (D)Adrenal
    Board 20241 markMCQ
18. (a) Name the parts of a bisexual flower that are not directly involved in reproduction. (b) Differentiate between self pollination and cross pollination. List any two significance of pollination. (c) What is the fate of ovules and ovary after fertilization in …
    Board 20235 markslong answer
19. H 25 H 38. All the reproductive methods of living organisms are broadly categorized into two types : 1. Asexual reproduction, and 2. Sexual reproduction. Asexual reproduction involves the participation of a single parent without the formation of gametes, ferti…
    Board 20234 marksshort answer
20. Select the INCORRECT match (between the plant and its vegetative part) from the following : (b) (a) Bryophyllum, leaf Potato, stem Money-plant, stem (d) (c) Rose, root 13.8 R , 32 (a) (b) (c) 0.5 (d) 16 14. 15A (a) (b) (c) (d) 0.15V1.6V (b) (a) 0.05V1.6V 0.15 …
    Board 20231 markMCQ

Practise all 37 How do Organisms Reproduce questions with answers →

Other Class 10 Science chapters

Frequently asked questions