CHAPTER 01
RESOURCES
EXERCISES:
1. Answer the following questions.
A. Why are resources distributed unequally over the earth?
B. What is resource conservation?
C. Why are human resources important?
D. What is sustainable development?
2. Tick the correct answer.
<i>. Which one of the following does NOT make the substance a resource?
(a) Utility
(b) Value
(c) Quantity
<ii>. Which one of the following is a human-made resource?
(a) Medicines to treat cancer
(b) Spring water
(c) tropical forests
<iii>. Complete the statement.
Biotic resources are
(a) derived from living things
(b) made by human beings
(c) derived from non-living things
3. Differentiate between the followings.
A. Potential and actual resources
B. Ubiquitous and localised resources
CHAPTER 02 LAND, SOIL, WATER, NATURAL VEGETATION AND WILDLIFE RESOURCES
EXERCISES:
1. Answer the following questions.
A. Which are the two main climate factors responsible for soil formation?
B. Write any two reasons for land degradation today.
C. Why is land considered an important resource?
D. Name any two steps that government has taken to conserve plants and animals.
E. Suggest three ways to conserve water.
2. Tick the correct answer.
i. Which one of the following is NOT a factor of Soil formation?
(a) Time
(b) Soil texture
(c) organic matter
ii. Which one of the following methods is most appropriate to check soil erosion on steep Slopes?
(a) shelter belts
(b) mulching
(c) terrace cultivation
iii. Which one of the following is NOT in favour of the conversation of nature?
(a) Switch off the bulb when not in use
(b) Close the tap immediately after using
(c) dispose polypacks after shopping
3. Match the followings:
1. Land use (a) Prevent soil erosion
2. Humus. (b) land suitable for agriculture
3. Rock dams. (c) Productive use of land
4. Arable land. (d) Organic matter deposited on top soil
(e) contour ploughing
4. State whether the given statement is true or false.
If true, write the reasons.
1. Ganga- Brahmaputra plain of India is an overpopulated region.
ii Water availability per person in India is declining.
iii Rows of trees planted in the coastal areas to check the wind movement is called intercropping.
iv Human interference and changes of climate can maintain the ecosystem.
Chapter 3
Mineral and Power Resources
EXERCISES:
1. Answer the following questions.
A. Name any three common minerals used by you every day.
B. What is an ore? Where are the ores of metallic minerals generally located?
C. Name two regions rich in natural gas resources.
D. Which sources of energy would you suggest for
(a) Rural areas
(b) Coastal areas
(c) Arid regions
E. Give five ways in which you can save energy at home.
2. Tick the correct answer.
i. Which one of the following is NOT a characteristic of minerals?
(a) They are created by natural processes.
(b) They have a definite chemical composition
(c) They are inexhaustible
ii. Which one of the following is NOT a producer of mica?
(a) Jharkhand
(b) Rajasthan
(c) Karnataka
(d) Andhra Pradesh
iii. Which one of the following is a leading producer of copper in the world?
(a) Bolivia
(b) Chile
(c) Ghana
(d) Zimbabwe
iv. Which one of the following practices Will NOT conserve LPG in your kitchen?
(a) Soaking the dal for some time before cooking it.
(b) cooking food in a pressure cooker.
(c) keeping the vegetable chopped before lighting the gas for cooking.
(d) Cooking food in an open pan kept on low flame.
3. Give reasons.
1. Environmental aspects must be carefully looked into before building huge dams.
ii . Most industries are concentrated around coal mines.
iii. Petroleum is referred to as "black gold".
iv. Quarrying can become a major environmental concern.
4. Distinguish between the followings.
A. Conventional and non-conventional sources of energy
B. Biogas and Natural gas
C. Ferrous and non-ferrous minerals
D. Metallic and non-metallic minerals
Chapter 1
Chapter2
Chapter 3
