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Comprehensive Revision โ€” Life Science and Environment

Science ยท Grade 10 ยท Week 52 ยท 25 questions

Our environment is a delicate web of living and non-living things that depend on each other. Understanding ecosystems and environmental challenges is essential for protecting the planet.

What you'll practise

  • Identify types and sources of pollution
  • Explain how ecosystems maintain balance
  • Understand the importance of biodiversity
  • Describe conservation methods and their impact
All 25 questions in this Comprehensive Revision โ€” Life Science and Environment quiz

Grade 10 Science โ€” Comprehensive Revision โ€” Life Science and Environment: 25 practice questions with instant scoring and explanations.

  1. The structural and functional unit of life is:
  2. Which is a respiratory substrate?
  3. The process of gamete formation is:
  4. Which hormone decreases blood glucose?
  5. The part of the eye that contains photoreceptor cells is:
  6. In a food chain, the energy flow is:
  7. Which is a density-dependent factor affecting population?
  8. The genotype AaBb can produce gametes of types:
  9. The vector for Plasmodium is:
  10. Which is a biotic component of an ecosystem?
  11. The production of multiple offspring from a single parent is:
  12. The branch of biology studying heredity is:
  13. Which tissue transports water in plants?
  14. The survival of the fittest is the basis of:
  15. In a 9:3:3:1 ratio, the number of homozygous genotypes is:
  16. Which gland secretes saliva?
  17. The process of breaking down food into simpler molecules is:
  18. Which is a non-biodegradable pollutant?
  19. The testes produce:
  20. The age group that shows maximum growth rate is:
  21. Which organism is an obligate parasite?
  22. The phenomenon of change in species over time is:
  23. Which is a hormone of the adrenal gland?
  24. The carbon sink that stores maximum carbon is:
  25. In human reproduction, the germinal epithelium produces:
Question 1 of 250 correct so far

The structural and functional unit of life is: