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.A biology teacher explains to students that the human ear contains three small bones, known as ossicles, which play a crucial role in hearing. Among these, the smallest one is responsible for transmitting sound vibrations effectively. The smallest ear ossicle is
- a.malleus
- b.Stapes
- c.incus
- d.cochlea
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2.Which of the following correctly differentiates between the somatic and autonomic nervous systems?
- A.The somatic nervous system controls involuntary actions like heartbeat, while the autonomic nervous system controls voluntary actions like walking.
- B.The somatic nervous system regulates voluntary actions and connects to skeletal muscles, whereas the autonomic nervous system regulates involuntary actions and connects to internal organs and glands.
- C.The somatic nervous system is divided into sympathetic and parasympathetic systems, while the autonomic nervous system includes only cranial nerves.
- D.The autonomic nervous system controls voluntary actions and maintains homeostasis, while the somatic nervous system regulates reflexes only.
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3.Which is the outermost layer of the meninges?
- A.Pia mater
- B.Arachnoid mater
- C.Dura mater
- D.Subarachnoid space
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4.Match the following parts of the autonomic nervous system with their effects on the organs:
Column A (Organ) Column B (Sympathetic System) Column B (Parasympathetic System) 1. Heart a. Retards heartbeat p. Accelerates heartbeat 2. Lungs b. Constricts bronchi q. Dilates bronchi 3. Intestines c. Increases peristalsis r. Decreases peristalsis 4. Pupil of eye d. Constricts pupil s. Dilates pupil -
5.Which muscles are responsible for the alteration of the shape of the lens in the human eye?
- A.Iris muscles
- B.Radial muscles
- C.Ciliary muscles
- D.Sphincter muscles
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