CBSE Class 10 Science Chapter-16 Management of Natural Resources – Free PDF Download
Free PDF download of Important Questions with Answers for CBSE Class 10 Science Chapter 16 – Management of Natural Resources prepared by expert Science teachers from latest edition of CBSE(NCERT) books only by CoolGyan to score more marks in CBSE board examination.
CBSE Class 10 Science Chapter-16 Management of Natural Resources Important Questions
CBSE Class 10 science Important Questions Chapter 16 – Management of Natural Resources
1 Mark Questions
1. Which one is inexhaustible natural resource?
(a) forests
(b) minerals
(c) coal
(d) water
Ans. Water
2. The three R’S that will help us to conserve natural resources for long term use are
(a) reduce, reuse, recycle
(b) reduce, regenerate, reuse
(c) reduce, reuse, redistribute
(d) recycle, regenerate, reuse
Ans. (a) Reduce, reuse, recycle
3. Select the incorrect statement.
(a) forests provide variety of products
(b) forests have greater plant diversity
(c) forests do not conserve soil
(d) forest conserve water
Ans. (c) Forest does not conserve soil.
4. Define afforestation.
Ans. Planting trees is called afforestation.
5. Why coal is called fossil fuel?
Ans. Coal is formed under the surface of earth by the decomposition of plants which are buried under the surface of earth million of years ago.
6. Ganga Action plan was started in-
(a) 1975
(b) 1985
(c) 1995
(d) 2005
Ans. (b) 1985
7. The most appropriate definition of any natural resources is that it is a substance that is-
(a) present only on land
(b) available only in the forest
(c) a man-made substance placed in nature
(d) a gift of nature which is very useful to mankind
Ans. (d) A gift of nature very useful to mankind.
8. Ground water will not be depleted due to-
(a) afforestation
(c) loss of forest and decreased rainfall
(b) thermal power plant
(d) growing of water demanding crops
Ans. (a) Afforestation
9. Define recycling. Give one example.
Ans. Recycling is the act of processing used or unbanned for use in creating new products. For example- use of shopping bags made of cloth or jute which can be used over and over again.
10. Who was Amrita devi?
Ans. Amrita Devi was the one who fought, first forest movement against indiscriminant cutting of trees in India in 1731.
11. The quality of environment can be improved by-
(a) deforestation
(b) over use of natural environment
(c) erosion
(d) conservation
Ans. (d) conservation
12. Select the eco-friendly activity-
(a) making use of car for transport
(b) making use of poly bags for shopping
(c) making use of dyes for coloring cloths
(d) making windmill to generate power for irrigation
Ans. (d) Making windmill to generate power for irrigation.
13. Which of the following is an exhaustible natural resource?
(a) solar radiation
(b) air
(c) minerals
(d) water
Ans. (c) Minerals
14. What is rain water harvesting?
Ans. Rain water collection is the activity of direct collection of rain water which can be stored for direct use or can be recharged into ground water.
15. Define a resource.
Ans. Resource is a source of supply held in reserve so that it can be changed in such a way that it becomes were valuable and useful.
16. What were the two main problems as a result of Tawa Irrigation Project?
Ans. Water logging and increasing salinity.
17. It is important to make small check dams across the flooded gullies because they-
(I) Hold water for irrigation.
(ii) Hold water and prevent soil erosion.
(iii) Recharge ground water.
(iv) Hold water permanently.
(a) (i) and (iv)
(b) (ii) and (iii)
(c) (iii) and (iv)
(d) (ii) and (iv)
Ans. (b) (ii) and (iii)
18. Floods can be prevented by-
(a) Cutting the forests
(b) Afforestation
(c) Tilling the land
(d) Removing the top soil.
Ans. (b) Afforestation.
19. Expand the abbreviation of GAP.
(a) Governmental Agency for pollution control.
(b) Gross Assimilation by photosynthesis.
(c) Ganga action plan.
(d) Government agency for animal protection.
Ans. (c) Ganga Action plan.
20. Mention one major effect due to deforestation?
Ans. Soil erosion
21. Name two fossil fuels.
Ans. Coal and petroleum
22. Which programme was started to replenish forests?
Ans. Silviculture
23. What does the high level of total coli form count in river Ganga indicates?
Ans. It indicates that water is contaminated by disease causing micro-organisms.
24. Which canal has brought greenery to considerable areas of Rajasthan?
Ans. Indira Gandhi Canal.
