ICSE Class 10 Nervous System and Sense Organs — Mock Test (2027)
Free online mock test for Nervous System and Sense Organs (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 Nervous System and Sense Organs 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.From the list below, identify the odd one out and the category to which the rest belong: Aqueous humour, Vitreous humour, Iris, Central canal.
- A.Odd one: Iris. Category: Parts of the spinal cord.
- B.Odd one: Central canal. Category: Parts concerned with the eyes.
- C.Odd one: Vitreous humour. Category: Components of the ear.
- D.Odd one: Aqueous humour. Category: Parts of the brain.
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2.Identify the category and the odd one out from the following actions: Blinking, Knitting without looking, Smiling, Blushing, Crying.
- A.Category: Voluntary actions. Odd one: Blinking.
- B.Category: Reflex actions. Odd one: Smiling.
- C.Category: Involuntary actions. Odd one: Crying.
- D.Category: Emotional responses. Odd one: Knitting without looking.
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3.Identify the structure labeled in a myelinated neuron that speeds up nerve impulse transmission:
- A.Dendrites.
- B.Myelin sheath.
- C.Cell body.
- D.Axon terminals.
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4.Which of the following correctly pairs a common defect of vision with its cause and the appropriate corrective method?
- A.Myopia: Caused by an elongated eyeball or excessive lens curvature; corrected using a convex lens.
- B.Hyperopia: Caused by a shortened eyeball or insufficient lens curvature; corrected using a concave lens.
- C.Astigmatism: Caused by irregular curvature of the cornea or lens; corrected using cylindrical lenses.
- D.Presbyopia: Caused by clouding of the lens due to aging; corrected using bifocal lenses.
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5.A point of contact between two neurons is termed as
- A.synapsis
- B.neuro motor junction
- C.axon
- D.synapse
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