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.What term describes the suppressed alleles of a gene?
- A.Recessive
- B.Dominant
- C.Codominant
- D.Lethal
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2.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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3.(i) Four friends P, Q, R and S were discussing the examples of genetic disorders. The examples they quoted were as follows: P : Colour blindness and Malaria Q : Albinism and Cholera R : Haemophilia and Colour blindness S : Haemophilia and Albinism Who gave the correct examples?
- A.P and Q
- B.R and S
- C.P and R
- D.Q and S
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4.Which of the following pairs correctly names two genetic diseases in humans?
- A.Sickle cell anaemia and colour blindness
- B.Diabetes and hypertension
- C.Haemophilia and tuberculosis
- D.Down syndrome and malaria
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5.The type of gene, which in the presence of a contrasting allele is not expressed, is called:
- A.Recessive gene
- B.Dominant gene
- C.Codominant gene
- D.Lethal gene
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