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.Which of the following is a function of the aqueous humour?
- A.Refracting light to focus images on the retina.
- B.Supplying nutrients to the cornea and lens.
- C.Controlling the size of the pupil in response to light.
- D.Producing tears to keep the eye moist.
-
2.Sometimes you remember a vivid picture of a dream you saw. What is the role of your eyes in this experience?
- A.The eyes actively capture visual images during dreaming, which are later recalled.
- B.The eyes send signals to the brain to create and store dream images for later recall.
- C.The eyes do not directly contribute, but the brain's visual cortex generates and recalls dream images.
- D.The eyes remain inactive, and dreams are stored in the optic nerves for later memory.
-
3.The teacher asked the class to name two sensory organs. Raj said: Ears and skin. Sonu said: Ears and tongue. Lata said: Nose and liver. Abhay said: Eyes and nose. Who were correct?
- a.Raj and Sonu.
- b.Lata and Abhay.
- c.Raj and Abhay.
- d.Sonu and Abhay.
-
4.Arrange the following structures in the logical sequence through which light passes in the eye: Yellow spot, conjunctiva, pupil, cornea, lens, vitreous humour, aqueous humour.
- A.Conjunctiva, cornea, aqueous humour, pupil, lens, vitreous humour, yellow spot
- B.Cornea, conjunctiva, pupil, aqueous humour, lens, vitreous humour, yellow spot
- C.Conjunctiva, pupil, cornea, aqueous humour, lens, vitreous humour, yellow spot
- D.Aqueous humour, conjunctiva, cornea, pupil, lens, vitreous humour, yellow spot
-
5.Which of the following are the parts of the external ear?
- A.Pinna, cochlea, and tympanic membrane
- B.Pinna, auditory canal, and tympanic membrane
- C.Auditory ossicles, pinna, and semicircular canals
- D.Eustachian tube, pinna, and auditory canal
Ready? Take the full 20-question test free — instant marking, no sign-up needed.
▶ Start free mock test