50-mark question paper on heredity and evolution for class 10 science, chapter 9

1 Mark Questions

  1. What is heredity?
  2. What are the two main types of heredity?
  3. Who is the father of genetics?
  4. What are the three laws of inheritance proposed by Mendel?
  5. What is a sex chromosome?
  6. What is the sex of a human determined by?
  7. What is a vestigial organ?
  8. What is evolution?
  9. What is natural selection?
  10. What is speciation?

2 Mark Questions

  1. Explain Mendel’s experiments on pea plants.
  2. What are the different types of gametes formed by a heterozygous individual?
  3. Explain the concept of dominance and recessiveness.
  4. What is sex determination in humans?
  5. What are the different types of vestigial organs in humans?

3 Mark Questions

  1. Explain the importance of variation in evolution.
  2. What are the different factors that drive evolution?
  3. Explain the concept of natural selection with an example.
  4. What is speciation? Explain the different modes of speciation.
  5. Discuss the evidences for evolution.

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