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.Gyri and Sulci are the characteristic folds of which part of the brain?
    • A.Cerebellum
    • B.Medulla oblongata
    • C.Cerebrum
    • D.Pons
  2. 2.What is the soft, hollow, sensory structure present in the internal ear called?
    • A.Bony labyrinth
    • B.Membranous labyrinth
    • C.Organ of Corti
    • D.Auditory ossicles
  3. 3.Which eye defect is caused by uneven curvature of the cornea?
    • A.Myopia
    • B.Hypermetropia
    • C.Astigmatism
    • D.Cataract
  4. 4.The photo receptive cell of the retina sensitive to colour
    • A.rods
    • B.cones
    • C.organ of cortii
    • D.iris
  5. 5.Chemicals which are released at the synaptic junction are called
    • A.hormones
    • B.cerebrospinal fluid
    • C.neurotransmitters
    • D.lymph

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