CBSE Class 9 Science Natural Resources Sure Shot Questions A

CBSE Class 9 Science Natural Resources Sure Shot Questions A. There are many more useful educational material which the students can download in pdf format and use them for studies. Study material like concept maps, important and sure shot question banks, quick to learn flash cards, flow charts, mind maps, teacher notes, important formulas, past examinations question bank, important concepts taught by teachers. Students can download these useful educational material free and use them to get better marks in examinations.  Also refer to other worksheets for the same chapter and other subjects too. Use them for better understanding of the subjects.

1. Hot air is ___________ than cold air.

2. Green plants convert carbon dioxide into glucose in the presence of ______________.

3. The life-supporting zone of the Earth where the atmosphere, the hydrosphere and the lithosphere interact and make life possible, is known as the ____________.

4. The space among the soil particles are filled with ________.

5. Dead remains of plants and animals is called __________.

6. Water covers _____% of the Earth’s surface.

7. On planets like Venus and Mars the major component of the atmosphere is ___________.

8. The fossil fuels like coal and petroleum contain small amounts of __________ and __________ which are primarily responsible for acid rain.

9. The substances that cause pollution are called ___________.

10. _________ is the region of atmosphere where ozone layer is present.

11. ________ is formed due to condensation of water vapours in the lower region of atmosphere.

12. __________ is a major factor in deciding the soil structure because it causes the soil to become more porous and allows water and air to penetrate deep underground.

13. Ozone hole was first detected over ____________.

14. The eggs and larvae of various aquatic animals are particularly susceptible to _____________ changes.

15. Corbett National Park is famous for?

(a) Neel Gai

(b) Snakes

(c) Rhinoceros

(d) Tigers

16. Green plants of an ecosystem are called.

(a) Producers

(b) Decomposers

(c) Consumers

(d) None of these

17. Energy flow in the ecosystem is

(a) unidirectional

(b) bidirectional

(c) multidirectional

(d) none of these

18. Two important groups of detritivores are

(a) Animals and Plants

(b) Prokaryotes and Algae

(c) Prokaryotes and Fungi

(d) Plantae and Prokaryote

19. Which of the following is a nonrenewable energy source?

(a) natural gas

(b) solar energy

(c) wind energy

(d) tidal energy

20. Which of the following organisms is incorrectly paired with its trophic level?

(a) cyanobacteria - primary producer

(b) honey bee - primary consumer

(c) zooplankton - primary producer

(d) eagle - tertiary consumer

21. Where do terracing help the most in soil conservation?

(a) Hill regions

(b) Wet areas

(c) Deserts

(d) Plains

22. Which trophic level is considered to be the most vulnerable to extinctio

(a) producer level

(b) primary consumer level

(c) secondary consumer level

(d) tertiary consumer level

23. In which sphere of the environment Ozone layer is located?

(a) Troposphere

(b) Stratospher

(c) Mesosphere

(d) Thermosphere

24. Solar radiations heat up:

(a) Land faster than the water bodies

(b) Land slower than the water bodies

(c) Equally both land and water bodies

(d) Neither land nor water bodies

25. What is lithosphere?

26. What is hydrosphere?

27. What is atmosphere?

28. List the four zones of the atmosphere.

29. What is biosphere?

30. How is our atmosphere different from the atmosphere on Venus and Mars?

31. How does the atmosphere act as a blanket?

32. What causes winds?

33. How are clouds formed?

34. Which gets heated faster land or water?

35. Define air-pollution? (Short Answer Q)

36. List any three human activities that you think would lead to air pollution.

37. Name two diseases caused due to an increased content of pollutants in the air produced due to the burning of fossil fuels.

38. What is smog?

39. How do fossil fuel cause air pollution?

40. Meenakshi saw reduction in greenish layer of lichens at the bark of trees at the biologygarden of the school. The garden was few metres away from diesel generator placed forelectricity backup. She immediately informed the school authorities to check the pollutionlevel of diesel and kerosene used in the generator.

(a) How reduction in Lichens layer isrelated to pollution?

(b) What measures should be taken by school authorities to check the reduction?

(c) What qualities are shown by Meenakshi by informing school about the Lichens?

41. Give an example of fungi which are known as 'indicator of air pollution'.

42. Why do organisms need water?

43. Water is known as ‘A Wonder Liquid’. Justify this statement by giving any two reasons.

44. What are the effects of acid rain?

45. What are biogeochemical cycles? Names two examples.

46. In which regions is soil erosion very difficult to revert?

47. What is meant by depletion of ozone layer? Mention one important feature of ozone in atmosphere. Identify the factors responsible for the formation of ozone hole

48. Why is water essential for life?

Please click the link below to download CBSE Class 9 Science Natural Resources Sure Shot Questions A.