Variation Quiz
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5 questions, one answer each
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1. Which feature shows discontinuous variation?
- A. Mass
- B. Height
- C. Blood group
- D. Leaf length
2. A tree grows taller in a sunny spot than in shade. This is an example of which type of variation?
- A. Genetic variation only
- B. Environmental variation
- C. A mutation
- D. Discontinuous variation
3. Which of these is a source of genetic variation?
- A. Diet
- B. Climate
- C. Exercise
- D. Random fertilisation
4. What is a mutation?
- A. A random change in DNA
- B. The joining of two gametes
- C. A change caused by diet
- D. Cell division by mitosis
5. Why do identical twins sometimes have different masses?
- A. They have different genes
- B. Meiosis made them different
- C. Their environments, such as diet, differ
- D. Their blood groups differ