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Reproduction in Animals

Science ยท Grade 7 ยท Week 42 ยท 25 questions

Heredity explains how traits pass from parents to offspring through genes. Understanding genetics and evolution reveals why organisms look the way they do and how species change over time.

What you'll practise

  • Explain the basics of inheritance
  • Understand dominant and recessive traits
  • Describe the role of DNA in heredity
  • Explain natural selection and evolution
All 25 questions in this Reproduction in Animals quiz

Grade 7 Science โ€” Reproduction in Animals: 25 practice questions with instant scoring and explanations.

  1. Sexual reproduction requires the union of:
  2. Asexual reproduction produces offspring that are:
  3. Fertilization occurs when:
  4. Internal fertilization occurs in:
  5. External fertilization typically happens in:
  6. Embryo development in mammals occurs in:
  7. Metamorphosis is a dramatic change that occurs in:
  8. The tadpole-to-frog transformation is an example of:
  9. Budding in hydra is an example of:
  10. Binary fission is a type of reproduction where:
  11. In asexual reproduction, offspring are produced:
  12. Which organism reproduces primarily through budding?
  13. The sperm cell is specialized for:
  14. The egg cell (ovum) is specialized for:
  15. A zygote is formed when:
  16. Which of the following exhibits external fertilization?
  17. Complete metamorphosis involves:
  18. Incomplete metamorphosis occurs in:
  19. Hydra reproduces asexually by:
  20. Binary fission is found primarily in:
  21. The advantage of sexual reproduction is:
  22. The advantage of asexual reproduction is:
  23. Embryonic development in birds occurs:
  24. Which stage represents the early development of an organism after fertilization?
  25. Larvae of insects are different from adults in:
Question 1 of 250 correct so far

Sexual reproduction requires the union of: