i. Aquarium is not a natural ecosystem. _________
ii. Land is a component of human environment. ________
iii. Road is a human made environment. ________
Q2. What is atmosphere?
Q3. Write the significance of atmosphere.
Q4. What do you mean by barter system?
Q5. What is hydrosphere?
Q6. What hydrosphere comprises of?
Q7. Which are the two major components of biotic environment?
Q8. Name the basic component of natural environment?
Q9. Why is hydrosphere important?
Q10. Give four examples of human made environment.
Q11. How is environment important to us?
Q12. What do you mean by natural environment?
Q13. Why is lithosphere important?
Q14. What is environment?
Q15. Why is our environment changing?
Q16. What is biosphere?
Q17. What is an ecosystem?
Q18. Plants and animals depend on each other. Give reason.
Q19. What is lithosphere?
Q20. Why man modifies his environment?
Q21. Differentiate between biotic and abiotic environment.
Q22. Which are the major components of the environment?