ICSE Class 10 Absorption by Roots — Mock Test (2027)
Free online mock test for Absorption by Roots (ICSE Class 10 Biology) — 20 competency-based questions based on the latest CISCE 2027 syllabus, with instant marking. Try the samples below, then take the full test free.
What to expect: This mock test covers key concepts from the Absorption by Roots chapter — including application-based and competency-focused questions aligned with how ICSE actually sets the paper.
Tip: Attempt without notes first to identify gaps, then review explanations for any wrong answers. Retake after a few days for best retention.
Sample questions
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1._________ of a solution is a measure of its tendency to take in water by osmosis.
- a.Turgor pressure
- b.Wall pressure
- c.Osmotic pressure
- d.Root pressure
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2.How do soaked seeds swell up and burst their seed coats?
- A.Seeds absorb water by imbibition, where hydrophilic colloids attract water, causing swelling and eventual seed coat rupture due to pressure.
- B.Seeds swell due to osmosis, where water moves into the seed through a semi-permeable membrane, stretching the seed coat until it breaks.
- C.Seeds burst their coats because of rapid cell division in the embryo, which physically pushes the seed coat apart.
- D.Seeds absorb water through diffusion, causing the seed coat to soften and dissolve, allowing the seed to expand freely.
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3.Reverse of plasmolysis occurs when the cell is kept in _________
- a.Pond water
- b.10% sugar solution
- c.5% salt solution
- d.Pure water
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4.Which structures must be present in a cell for osmosis to take place?
- a.Cell (sap) vacuole and cell wall
- b.Cell wall and cell membrane
- c.Chloroplast and cytoplasm
- d.Cytoplasm and cell membrane
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5.Distinguish between Hypertonic and Hypotonic solutions.
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