ICSE Class 10

ICSE Class 10 Chemical Coordination in Plants — Mock Test (2027)

Free online mock test for Chemical Coordination in Plants (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 Chemical Coordination in Plants 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.

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Sample questions

  1. 1.Why can one rotten orange spoil an entire basket of oranges?
    • A.The rotten orange releases ethylene gas, which diffuses and accelerates ripening in others.
    • B.The rotten orange attracts insects that spread decay to nearby oranges.
    • C.The rotten orange absorbs nutrients from surrounding oranges, causing them to spoil.
    • D.The rotten orange releases a toxic liquid that contaminates the basket.
  2. 2.A biology teacher asked students to name two hormones responsible for delaying the aging process in plants. Raj said: Cytokinins and Gibberellins Sonu said: Auxins and Cytokinins Lata said: Ethylene and Abscisic Acid Abhay said: Cytokinins and Auxins Who were correct?
    • a.Raj and Sonu
    • b.Sonu and Abhay
    • c.Lata and Raj
    • d.Abhay and Lata
  3. 3.The growth of plants in the direction of light is called
    • A.phototropism
    • B.geotropism
    • C.chemotropism
    • D.hydrotropism
  4. 4.A teacher asked her students to name two plant hormones that help in breaking seed dormancy. Raj said: Abscisic Acid and Ethylene Sonu said: Gibberellins and Ethylene Lata said: Auxins and Cytokinins Abhay said: Gibberellins and Cytokinins Who were correct?
    • a.Raj and Sonu
    • b.Sonu and Abhay
    • c.Raj and Lata
    • d.Lata and Abhay
  5. 5.Nisha made a table to match plant hormones with their roles in plant physiology:
    HormoneEffect on the plant
    PPromotes seed dormancy
    QInduces bolting in cabbage before flowering
    Identify the correct pair of hormones.
    • A.P – Abscisic Acid, Q – Gibberellins
    • B.P – Cytokinins, Q – Auxins
    • C.P – Auxins, Q – Gibberellins
    • D.P – Gibberellins, Q – Cytokinins

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