The Earth and its Resources
Chapter No. 7 Test No. 1
1. The basic material that humans get from land, sea or air is called _______resources.
ⓐ Artificial ⓑ Natural ⓒ Metal ⓓ None of these
Natural
2. About ______ of the land is cultivated in the world.
ⓐ 9 % ⓑ 10 % ⓒ 11 % ⓓ 14 %
11 %
3. In the globe of earth, green or light brown indicates ______
ⓐ Water ⓑ Land ⓒ Desert ⓓ Mountains
Land
4. About _______ of the Earth’s surface is covered by water.
ⓐ 71% ⓑ 29% ⓒ 11% ⓓ 97%
71 %
5. About ________ of the Earth’s surface is land.
ⓐ 71% ⓑ 29% ⓒ 11% ⓓ 91%
29%
6. Air is present even in ______
ⓐ Earth ⓑ Soil ⓒ Water ⓓ All of these
All of these
7. About ______ of water on the Earth is in the oceans.
ⓐ 71% ⓑ 29% ⓒ 3% ⓓ 97%
97%
8. The ______ percent of water is present in glaciers, streams, rivers and lakes.
ⓐ 71% ⓑ 29% ⓒ 3% ⓓ 97%
3%
9. The water from rivers and streams flow to ______
ⓐ Lakes ⓑ Oceans ⓒ Both a & b ⓓ None of these
Both a & b
10. ______ is used to make bricks and pottery.
ⓐ Glass ⓑ Stone ⓒ Clay ⓓ None of these
Clay
11. ______ is commonly used to make buildings and glass.
ⓐ Sand ⓑ Stone ⓒ Clay ⓓ None of these
Sand
12. The rubber is obtained from the secretion of a ________.
ⓐ Black coal ⓑ Artificial ⓒ Rubber tree ⓓ None of these
Rubber tree
13. All living things need water to ______
ⓐ Food ⓑ Survive ⓒ Running ⓓ none of these
Survive
14. Running water is used to generate _________.
ⓐ Heat ⓑ Fuel ⓒ Electricity ⓓ None of these
Electricity
15. Fast blowing air is used to generate _________.
ⓐ Heat ⓑ Fuel ⓒ Electricity ⓓ None of these
Electricity
16. The outer layer of the Earth is called ______.
ⓐ Air ⓑ Water ⓒ Soil ⓓ None of these
Soil
17. Soil provides essential __________ to plants for growth.
ⓐ Coal ⓑ Fuel ⓒ Nutrients ⓓ None of these
Nutrients
18. World soil day is celebrated on________.
ⓐ 5th December ⓑ 5thMarch ⓒ 5thFebruary ⓓ 5thJune
5th December
19. The part of the Earth that is completely covered with trees is called _____.
ⓐ Deserts ⓑ Ocean ⓒ Forest ⓓ None of these
Forest
20. ______ not only provide us timber but are also natural habitats for animals.
ⓐ Deserts ⓑ Ocean ⓒ Forest ⓓ None of these
Forest
21. Forest provides us ______ air.
ⓐ Polluted ⓑ Oxygenated ⓒ No ⓓ Timber
Oxygenated
22. Forests cover _______ of the total area of Pakistan.
ⓐ 5.2% ⓑ 6% ⓒ 25% ⓓ 9%
5.2%
23. Pakistan’s largest natural forest is located in the city of ________.
ⓐ Swat ⓑ Muree ⓒ Ziarat ⓓ None of these
Ziarat
24. ______ found in the underground part of earth.
ⓐ Filter oil ⓑ Crude oil ⓒ Artificial oil ⓓ No oil
Crude oil
25. We produce kerosene, petrol, diesel, engine oil, grease, petroleum jelly and coaltar from the ______.
ⓐ Filter oil ⓑ Crude oil ⓒ Artificial oil ⓓ No oil
Crude oil
26. Natural gas is obtained from the ______
ⓐ CNG stations ⓑ Laboratory ⓒ Artificial source ⓓ Earth
Earth
27. Natural gas is used for:
ⓐ Heating and cooking ⓑ Generate electricity ⓒ Make fertilizers ⓓ All of these
All of these
28. Coal is a ______ resource.
ⓐ Artificial ⓑ Natural ⓒ No ⓓ None of these
Natural
Chapter No. 7 Test No. 2
29. The second largest mine of natural salt in the world is located at ______ (PindDadan khan) in Pakistan.
ⓐ Peshawar ⓑ Lahore ⓒ Khewra ⓓ None of these
Khewra
30. ______ are simple solid chemical substances which are present in the earth.
ⓐ Oil ⓑ Petrol ⓒ Gas ⓓ Minerals
Minerals
31. ______ are used to make wires, coins, jewelry and utensils.
ⓐ Oil ⓑ Petrol ⓒ Gas ⓓ Minerals
Minerals
32. The imprints or remains of many organisms that do not exist in this world now are known as______.
ⓐ Fuels ⓑ Food ⓒ Fossils ⓓ None of these
Fossils
33. Fossils are found under ______
ⓐ Rocks ⓑ Soil ⓒ Sea ⓓ All of these
All of these
34. ______ were lizards like giant animals.
ⓐ Giraffa ⓑ Dinosaurs ⓒ Elephant ⓓ None of these
Dinosaurs
35. Dinosaurs were present on earth ______ of years ago.
ⓐ Hundreds ⓑ Thousands ⓒ Millions ⓓ None of these
Millions
36. Dinosaurs are now_______.
ⓐ In Amazon ⓑ Extinct ⓒ Live in high mountains ⓓ None of these
Extinct
37. The skeletons of many ancient animals are still preserved in:
ⓐ Soil and rock ⓑ Salt reservoirs ⓒ High mountains ⓓ None of these
Soil and rock
38. _______is/are called non-renewable resources.
ⓐ Coal ⓑ Petrol, diesel ⓒ Natural gas ⓓ All of these
All of these
39. Those resources which cannot be replaced by new ones easily are called ______ resources
ⓐ Renewable ⓑ Non-renewable ⓒ Sunlight ⓓ Water
Non-renewable
40. Coal, petrol, diesel and natural gas take ______ of years to form
ⓐ Hundreds ⓑ Thousands ⓒ Millions ⓓ None of these
Millions
41. Coal, petrol, diesel and natural gas are ______ resources.
ⓐ Renewable ⓑ Non-renewable ⓒ Sunlight ⓓ Water
Non-renewable
42. Those unlimited resources which can be replaced after use are called _____resources.
ⓐ Renewable ⓑ Non-renewable ⓒ Coal ⓓ Petrol
Renewable
43. Air, water, soil, forest and solar energy are ________resources.
ⓐ Renewable ⓑ Non-renewable ⓒ Coal ⓓ Petrol
Renewable
44. Some renewable resources are used as ______ substitutes.
ⓐ Food ⓑ Wind ⓒ Fuel ⓓ All of these
Fuel
45. The lavish use of natural resources is causing irreparable ______ to our environment.
ⓐ Benefit ⓑ Damage ⓒ Good ⓓ All of them
Damage
46. Man’s careless use of natural resources is causing irreparable damage to __________.
ⓐ Energy ⓑ Houses ⓒ Environment ⓓ None of these
Environment
47. Due to excessive use of natural resources, humans are facing problems like:
ⓐ Climatic change ⓑ Pollution ⓒ Lake of clean water ⓓ All of these
All of these
48. Due to excessive use of natural resources, renewable resources will also run out or will become________.
ⓐ Useable ⓑ Unusable ⓒ Good condition ⓓ Grow more
Unusable
49. All living bodies _________ on natural resources to survive.
ⓐ Depend ⓑ Do not depend ⓒ Both a & b ⓓ None of these
Depend
50. Recycling saves natural resources by making things________.
ⓐ Reusable ⓑ Throwing ⓒ Polluted ⓓ None of these
Reusable
51. When water falls from the sky as rain then it joins the reivers and streams that flow towards:
ⓐ Lakes ⓑ Oceans ⓒ Both a & b ⓓ None of these
Both a & b
52. Glass Is made from:
ⓐ Sugar ⓑ Sand ⓒ Plastic ⓓ Rubber
Sand
53. About what percentage of the Earth’s surface is land?
ⓐ 1 percent ⓑ 21 percent ⓒ 29 percent ⓓ 30 percent
29 percent
54. Remains of dead animals and plants found in the earth are called
ⓐ Soil ⓑ Minerals ⓒ Stones ⓓ Fossils
Fossils
55. To make things reusable is called:
ⓐ Recycling ⓑ Conservation of resources ⓒ Care ⓓ Cycling
Recycling
56. An example of non-renewable sources is:
ⓐ Oil ⓑ Soil ⓒ Air ⓓ Solar energy
Oil