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.Identify the category and the odd one out among the following: Coughing, sneezing, blinking, eating.
- A.Category: Simple reflex. Odd one: Eating
- B.Category: Voluntary actions. Odd one: Blinking
- C.Category: Involuntary actions. Odd one: Sneezing
- D.Category: Protective reflexes. Odd one: Coughing
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2.The insulating sheath covering the axon is called
- A.neurilemma
- B.plasmalemma
- C.dura mater
- D.pia mater
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3.Which element is essential for the transmission of a nerve impulse?
- A.Potassium
- B.Calcium
- C.Sodium
- D.Magnesium
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4.Where are the ear ossicles located, and what is their primary function?
- A.Outer ear, collects sound waves
- B.Middle ear, increases the magnitude of vibrations
- C.Inner ear, converts sound to nerve impulses
- D.Ear canal, transmits sound to eardrum
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5.A biology student is taught that the nervous system is made up of specialized cells responsible for transmitting signals throughout the body. Which of the following is the functional unit of the nervous system?
- a.Cyton
- b.Perikaryon
- c.Axon
- d.Neuron
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