ICSE Class 10

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

  1. 1.From the list below, identify the odd one out and the category to which the rest belong: Dendrites, Medullary sheath, Axon, spinal cord.
    • A.Odd one: Medullary sheath. Category: Parts of the spinal cord.
    • B.Odd one: Spinal cord. Category: Parts of neuron.
    • C.Odd one: Axon. Category: Components of the brain.
    • D.Odd one: Dendrites. Category: Parts of the peripheral nervous system.
  2. 2.The basic structural and functional unit of brain is :
    • A.Nephron
    • B.Neuron
    • C.Spinal cord
    • D.Nerve
  3. 3.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
  4. 4.What is the main purpose of wax in the ear?
    • A.To amplify sound vibrations.
    • B.To trap dust particles and microorganisms.
    • C.To lubricate the ear ossicles.
    • D.To transmit sound waves to the inner ear.
  5. 5.Which of the following statements about a reflex action is correct?
    • A.It requires conscious thought to occur.
    • B.It is a spontaneous response to a stimulus.
    • C.It only occurs in the brain.
    • D.It is a slow and deliberate action.

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