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1. Identify the correct statements below
i) Environment can have Biotic and Abiotic factors.
ii) Abiotic factors are non-living parts.
iii) Plants, Animals are examples of biotic factors.
2. What are the types of Ecosystem?
3. Aquarium is an example of _____ ecosystem.
4. What are the physical factors in abiotic components?
5. In which of this place terrestrial animals and plants are kept at controlled conditions?
6. Assertion (A): Producers are also called as autotrophs.
Reasoning (R): Producers are able to produce their own food.
7. Consumers are classified based on their ______.
8. Find the incorrect statements regarding Decomposers.
i) These are microorganisms.
ii) They obtain energy from the dead animals.
iii) A bacterium is an example of decomposers.
9. Food chain gives the relationships between,
10. Match
i) Carnivores A. Dog
ii) Omnivores B. goat
iii) Herbivores C. lion
11. Which of this animal belong to the terrestrial ecosystem food chain?
12. Which is the key process for the energy production of living things in the world?
13. Identify the incorrect statements below
i) Animals which eat primary consumers are called Tertiary consumers
ii) Animals that eat secondary consumers are called Quaternary consumers.
14. What is the information acquired from the Energy pyramid?
15. Assertion (A): Above all the food chains the top level predator has no Natural predators.
Reasoning (R): There is no predator for an alligator in an aquatic ecosystem.
16. The Importance of food chain are,
i) To understand the relationship between organisms.
ii) To know about the energy flow in an Ecosystem.
iii) Used to understand the movement of toxic substances.
17. Materials are considered to be waste if they
18. How many solid Wastes are categorized?
19. Identify the correct statement regarding Biodegradable waste.
i) It is easily decomposed by water.
ii) Metals are biodegradable wastes.
20. What is the key purpose of 3R’s?
21. What are the three R stand s for?
22. Name the process by which materials are converted into new products?
23. Which helps in composting of organic wastes?
24. What are the products which are meant for incineration?
25. In landfilling method,
i) Wastes are dumped into man-made pits.
ii) They remain for very short time period.
iii) They decompose at a very slow rate.
26. How many types of wastes are categorized based on the SWM rules?
27. Which wastes below fall under the category of Domestic hazardous waste?
i) CFL bulbs
ii) Vegetable peels
iii) Used Batteries
iv) Bottles
28. Name the substance which causes pollution?
29. Pollution is an unwanted change in ______ characteristics of land, air and water.
30. Which is the cause for Acid rain?
31. How many major types of pollution are categorized?
32. What are the significant sources of water pollution?
33. Which pollution is caused by usage of Chemical pesticides?
33. Which pollution is caused by usage of Chemical pesticides?
34. Soil pollution affects ,
35. Which type of waste easily mixes with the soil?
38. Which pollution kill aquatic animals and make the water unfit for drinking?
37. Assertion (A): Birds have softer communication systems.
Reasoning (R): Birds cannot hear in noisy areas.
39. What are the different causes of Land pollution?
40. In which pollution Recycle method is not possible?
41. What is the main cause of Agricultural pollutants?
42. Pollution occurs when the ______ gets contaminated.
43. Which country is top in the list of average waste per person?
44. Which of this process is used to generate electricity?
45. Which is the least favorable method of waste management?
46. What is the second R stand for in 3R’s?
47. Which of these prevent the rain water in reaching the ground?
48. Which of these are also known as the interconnected food chains?
49. Which of these wastes cannot be broken by living organisms?
50. What is the other name of consumers?