ICSE Class 10

ICSE Class 10 Genetics — Basic Fundamentals — Mock Test (2027)

Free online mock test for Genetics — Basic Fundamentals (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 Genetics — Basic Fundamentals 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.Ajay and Vijay are siblings. Ajay can roll his tongue while Vijay cannot. What is the genotype of their parents?
    • a.Both the parents are homozygous dominant.
    • b.Both the parents are homozygous recessive.
    • c.One parent is homozygous dominant, and the other is homozygous recessive.
    • d.Both the parents are heterozygous dominant.
  2. 2.What is the term for an alteration in the genetic material that can be inherited?
    • A.Adaptation
    • B.Mutation
    • C.Transcription
    • D.Translation
  3. 3.In the context of tongue rolling, which one of the following correctly identifies the homozygous dominant and homozygous recessive genotypes from the given options: Rr, rr, RR?
    • A.Homozygous dominant: RR, Homozygous recessive: Rr
    • B.Homozygous dominant: RR, Homozygous recessive: rr
    • C.Homozygous dominant: Rr, Homozygous recessive: rr
    • D.Homozygous dominant: rr, Homozygous recessive: RR
  4. 4.A biology teacher asked her students to give two examples of inherited traits in humans. Raj said: Eye color and height. Sonu said: Skills and hobbies. Lata said: Blood type and hair color. Abhay said: Pinna and Ossicles. Who were correct?
    • A.Raj and Lata
    • B.Sonu and Abhay
    • C.Raj and Abhay
    • D.Lata and Sonu
  5. 5.Gregor Mendel conducted his foundational genetics experiments on a particular organism. What are the common and scientific names of this organism?
    • A.Common name: Garden pea; Scientific name: Pisum sativum
    • B.Common name: Sweet pea; Scientific name: Lathyrus odoratus
    • C.Common name: Pea plant; Scientific name: Phaseolus vulgaris
    • D.Common name: Field pea; Scientific name: Vicia faba

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