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.The recessive gene is one that expresses itself in:
- A.Heterozygous condition
- B.Homozygous condition
- C.F₂ generation
- D.Y-Linked inheritances
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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.What is the significance of variation in a species?
- A.It decreases chances of survival
- B.It helps in creating identical organisms
- C.It increases the chances of survival in a changing environment
- D.It has no role in survival
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4.(ii) Mutation:
- A.It is a sudden change in one or more genes in an organism's cells which is heritable.
- B.It is a change in the number of centrosomes in an organism's cells which is heritable.
- C.It is a change in the structure of cell membrane in an organism's cells which is heritable.
- D.It is a change in the shape of cells which is heritable.
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5.A pair of chromosomes carrying dissimilar alleles for a particular character is called:
- A.Heterozygous
- B.Homozygous
- C.Hemizygous
- D.Polyploid
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