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.The two hemispheres of the cerebrum are connected by
- A.corpus callosum
- B.corpus luteum
- C.cerebellum
- D.pons
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3.Which of the following best describes the main function of the optic nerve?
- A.To refract light onto the retina.
- B.To carry impulses from the eye to the brain.
- C.To control the amount of light entering the eye.
- D.To produce tears for lubrication.
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4.It is a butterfly-shaped mass present in the spinal cord
- A.white matter
- B.grey matter
- C.dorsal root
- D.ventral root
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5.Arrange the following structures in the logical sequence through which sound waves travel: Ear ossicles, oval window, tympanum, auditory canal, cochlea.
- A.Auditory canal, tympanum, ear ossicles, oval window, cochlea
- B.Tympanum, auditory canal, ear ossicles, cochlea, oval window
- C.Auditory canal, ear ossicles, tympanum, cochlea, oval window
- D.Oval window, tympanum, ear ossicles, auditory canal, cochlea
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