Class 10 Science Chapter 7: How do Organisms Reproduce? — practice questions with answers
Free practice for Class 10 Science, Chapter 7: How do Organisms Reproduce?. Try the solved questions below, then take a free test with instant marking and explanations.
48 questions26 easy, 16 medium, 6 hardNCERT · CBSE · State boards
Sample questions with solutions
Q1. The basic event in reproduction is the creation of a ______ copy.
- DNA
- protein
- RNA only
- cell wall
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Answer: A. DNA
Why: DNA copying is accompanied by the creation of an additional cellular apparatus. [p.114]
Why: DNA copying is accompanied by the creation of an additional cellular apparatus. [p.114]
Q2. Plasmodium, the malarial parasite, reproduces by ______.
- multiple fission
- binary fission
- budding
- fragmentation
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Answer: A. multiple fission
Why: It divides into many daughter cells at once. [p.116]
Why: It divides into many daughter cells at once. [p.116]
Q3. Spirogyra breaks up into smaller pieces that grow into new individuals. This is called ______.
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Answer: fragmentation
Why: Simple multicellular organisms reproduce this way. [p.116]
Why: Simple multicellular organisms reproduce this way. [p.116]
Q4. Hydra reproduces asexually by ______.
- budding
- spore formation
- fission
- layering
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Answer: A. budding
Why: A bud develops as an outgrowth and detaches when mature. [p.117]
Why: A bud develops as an outgrowth and detaches when mature. [p.117]
Q5. Rhizopus reproduces by forming ______ in sporangia.
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Answer: spores
Why: Spores have thick walls that protect them. [p.118]
Why: Spores have thick walls that protect them. [p.118]
Q6. The male reproductive part of a flower is the ______.
- stamen
- pistil
- sepal
- ovule
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Answer: A. stamen
Why: It produces pollen grains. [p.120]
Why: It produces pollen grains. [p.120]
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Frequently asked questions
How many practice questions are there for Class 10 Science Chapter 7: How do Organisms Reproduce??
48 questions (26 easy, 16 medium, 6 hard). A few are solved on this page; the free test shows the answer and explanation for every question after you submit.
Is this chapter from the NCERT book?
Yes — it follows the NCERT Class 10 Science syllabus, used by CBSE and many state boards.