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.
Sample questions
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1.Why did Mendel choose the pea plant for his experiments?
- A.It is a bisexual plant
- B.It can self-pollinate
- C.It has many varieties with contrasting characters
- D.All of the above
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2.What is the technique called where the genetic constitution of an organism is altered by introducing new genes into its chromosomes?
- A.Genetic mutation
- B.Genetic engineering
- C.Cloning
- D.Gene therapy
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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
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4.Explain the following terms: (i) Law of Dominance:
- A.Out of a pair of contrasting alleles present together, only the recessive allele is able to express itself while the dominant remains suppressed.
- B.Out of a pair of contrasting alleles present together, only the dominant allele is able to express itself while the recessive remains suppressed.
- C.Out of a pair of contrasting alleles present together, both the dominant and recessive cannot express themselves.
- D.Out of a pair of contrasting alleles present together, both the dominant and recessive can express themselves.
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5.Who is known as the "Father of Genetics"?
- A.Charles Darwin
- B.Gregor Johann Mendel
- C.Alfred Wallace
- D.Jean-Baptiste Lamarck
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