Well structured WBBSE Class 9 Life Science MCQ Questions Chapter 5.2 Natural Resources and its Sustainable Use can serve as a valuable review tool before exams.
Natural Resources and its Sustainable Use Class 9 WBBSE MCQ Questions
Multiple Choice Questions :
Question 1.
The concept, which supports that conservation of environment and development of economy must go on parallely, is called-
(A) Human development
(B) Sustainable development
(C) Industrial development
(D) Unidirectional development
Answer:
(B) Sustainable development
Question 2.
A natural resource, which may be replenished is-
(A) Coal
(B) Forest
(C) Petroleum
(D) Natural gas
Answer:
(B) Forest
Question 3.
A non-renewabie natural resource is-
(A) Coal
(B) Solar energy
(C) Water
(D) Wood
Answer:
(A) Coal
Question 4.
Trees of a forest continuously provide us-
(A) Furniture
(B) Oxygen
(C) Coal
(D) Wood
Answer:
(B) Oxygen
Question 5.
Most of the members of a forest are-
(A) Producers
(B) Decomposers
(C) Primary Consumers
(D) Secondary consumers
Answer:
(A) Producers
Question 6.
A forest cannot be used for-
(A) Pisciculture
(B) Apiculture
(C) Harvesting medicinal plants
(D) Ecotourism
Answer:
(A) Pisciculture
Question 7.
Which is not a cause of deforestation?
(A) Expansion of cultivation
(B) Forest fire
(C) Flood
(D) Industrial development
Answer:
(C) Flood
Question 8.
Sudden deforestation in an area may be due to-
(A) Expansion of cultivation
(B) Industrial expansion
(C) Laying railway track
(D) Forest fire
Answer:
(D) Forest fire
Question 9.
Production of prawn is a practice of-
(A) Epiculture
(B) Horticulture
(C) Pisciculture
(D) Lac culture
Answer:
(C) Pisciculture
Question 10.
A conventional source of energy is-
(A) Sunlight
(B) Petroleum
(C) Wind
(D) All of these
Answer:
(B) Petroleum
Question 11.
A non-conventional source of energy is-
(A) Coal
(B) Natural gas
(C) Petroleum
(D) Wind
Answer:
(D) Wind
Question 12.
Which of the following has a role in food production?
(A) Lac culture
(B) Agriculture
(C) Pearl culture
(D) None of these
Answer:
(A) Lac culture
Question 13.
Which part of forest trees prevents soil erosion?
(A) Shoot
(B) Root
(C) Root and shoot
(D) Stem
Answer:
(B) Root
Question 14.
Coal is used mostly in-
(A) Cooking
(B) Running rail engine
(C) Steel industry
(D) Thermal power plants
Answer:
(D) Thermal power plants
Question 15.
A renewable natural resource is-
(A) Livestock
(B) Natural gas
(C) Petroleum
(D) None of these
Answer:
(A) Livestock
Question 16.
Deforestation causes-
(A) Soil erosion
(B) Global warming
(C) Drought
(D) All of these
Answer:
(D) All of these
Question 17.
The method of water conservation is-
(A) Plantation
(B) Rain water harvesting
(C) Digging water pits
(D) All of these
Answer:
(D) All of these
Question 18.
Source of Vitamin C and amino acid is-
(A) Sago
(B) Yam bean
(C) Moringa oleifera
(D) Gum arabic
Answer:
(C) Moringa oleifera
Question 19.
Which appliance does help in conservation of energy?
(A) Refrigerator
(B) Solar water heater
(C) Computer
(D) Air purifier
Answer:
(B) Solar water heater
Question 20.
One of the non-human causes of deforestation is-
(A) Expansion of grazing land
(B) Expansion of cultivating land
(C) Industrial expansion
(D) Forest fire
Answer:
(D) Forest fire
Question 21.
Main problem for Indian rivers is-
(A) Water scarcity
(B) Silting
(C) Low water current
(D) Pollution
Answer:
(D) Pollution
Question 22.
The World summit on ‘Fight against hunger’, organised by United Nation’s Food and Agriculture Organisation was held in Rome in-
(A) 1996
(B) 1999
(C) 2003
(D) 2006
Answer:
(A) 1996
Question 23.
Pisciculture deals with-
(A) Culture of mushroom
(B) Culture of poultry birds
(C) Culture of prawn
(D) Culture of fish
Answer:
(D) Culture of fish
Question 24.
Source of fruits and vegetables is-
(A) Horticulture
(B) Floriculture
(C) Apiculture
(D) Pisciculture
Answer:
(A) Horticulture
Question 25.
Most modern concept of environmental development is-
(A) Urbanization
(B) Sustainable development
(C) Control of industrialisation
(D) Deforestation
Answer:
(B) Sustainable development
Question 26.
Social development, economical development and ecological development are the three basic steps of-
(A) Human development
(B) Industrial development
(C) Sustainable development
(D) Unidirectional development
Answer:
(C) Sustainable development
Question 27.
Most of the forests in India are of type.
(A) Deciduous
(B) Evergreen
(C) Coniferous
(D) Mangrove
Answer:
(A) Deciduous
Question 28.
The type of forest, which has most economic utility is-
(A) Deciduous
(B) Evergreen
(C) Coniferous
(D) Mangrove
Answer:
(C) Coniferous
Question 29.
Which of the following does not occur due to forestation?
(A) Water cycle regulation
(B) Acid rain
(C) Flood control
(D) Climate regulation
Answer:
(B) Acid rain
Question 30.
Which of the following is a cause of deforestation?
(A) Excess agriculture
(B) Excess industry
(C) Urbanisation
(D) All of these
Answer:
(D) All of these
Question 31.
Which of the following should be done before cutting a tree?
(A) At least three similar trees should be planted
(B) Appoint skilled workers for cutting trees
(C) Marking other trees to be cut
(D) Plan to sell those cut trees
Answer:
(A) At least three similar trees should be planted
Question 32.
Which of the following is not a function of forest?
(A) Maintaining O2 – CO2 balance
(B) Reduction of soil erosion
(C) Reduction of rainfall
(D) Food and wood production
Answer:
(C) Reduction of rainfall
Question 33.
The combined mass of water found in all water bodies on earth, is called-
(A) Atmosphere
(B) Hydrosphere
(C) Lithosphere
(D) Biosphere
Answer:
(B) Hydrosphere
Question 34.
Which of the following should not be present in drinking water?
(A) Magnesium
(B) Soluble CO2
(C) Sodium salt
(D) Harmful bacteria
Answer:
(D) Harmful bacteria
Question 35.
Which of the following step should be taken for reducing wastage of water?
(A) Store water at the earliest
(B) Stop unnecessary use of water
(C) Prevent water pollution
(D) All of these
Answer:
(D) All of these
Question 36.
Rain water is not always safe for household purpose because of-
(A) Absence of mineral salts
(B) Presence of organic acid
(C) Presence of few protozoa
(D) Presence of inorganic acid
Answer:
(D) Presence of inorganic acid
Question 37.
Use of which of the following reduces use of fossil fuels?
(A) Solar car
(B) Microwave oven
(C) Biofuels
(D) All of these
Answer:
(D) All of these
Question 38.
Pearl culture is a type of-
(A) Tissue culture
(B) Apiculture
(C) Horticulture
(D) Mariculture
Answer:
(D) Mariculture
Question 39.
Growing and cultivation of trees is termed as –
(A) Silviculture
(B) Horticulture
(C) Tissue culture
(D) Floriculture
Answer:
(A) Silviculture
Question 40.
Example of an alternative food source is-
(A) Rice
(B) Pulse
(C) Meat
(D) Single cell protein
Answer:
(D) Single cell protein
Question 41.
Which of the following is not associated with food production?
(A) Horticulture
(B) Agriculture
(C) Pisciculture
(D) Pearl culture
Answer:
(D) Pearl culture
Question 42.
An example of fossil fuel is-
(A) Wood
(B) Coal
(C) Uranium
(D) Both (A) (B)
Answer:
(B) Coal
Question 43.
In which of the following countries, utilization of energy is not increasing any more?
(A) America
(B) India
(C) Bangladesh
(D) China
Answer:
(A) America
Question 44.
Which of the following is a cause of food crisis?
(A) Change in climate
(B) Natural calamities
(C) Population explosion
(D) All of these
Answer:
(D) All of these
Fill in the blanks :
- The litter on the forest floor, is partly decomposed to form sticky _____.
- _____ is used to prepare chewing gum.
- _____ is the main economically important product of forest.
- Rain water has a slightly _____ pH.
- Sago is extracted from _____ trees.
- Coal, petroleum, natural gas are the conventional sources for _____ power.
- _____ by trees increases humidity of air.
- _____ is the conventional source for hydel power.
Answer:
- Humus
- Gum arabic
- Timber
- Acidic
- Palm
- Thermal
- Transpiration
- Water
State true or false :
- Ecotourism is a productive aspect of forest, from which government earns huge amount of money.
- Due to deforestation, concentration of greenhouse gases increases in the atmosphere.
- Fossil fuels are renewable sources of energy.
- Rain water is generally free from germs and contaminants.
- Sago is a protein-rich matter.
- Rain water harvesting is practiced in areas with excessive suspended particulate matters in air.
- Afforestation helps to reduce soil erosion.
- Fossil fuels include coal and natural gas only.
- Coal, natural gas, firewood are examples of non-conventional energy sources.
- Forestation along the slope of watershed reduces the deposition silt in riverbed.
Answer:
- True
- True
- False
- True
- False
- False
- True
- False
- False
- True
Match the columns :
Question 1.
| Left column | Right column |
| 1. Local use of forest | A. Flood and drought |
| 2. Cause of deforestation | B. Ecotourism |
| 3. Result of deforestation | C. Honey, timber |
| 4. Productive use of forest | D. Rain water harvesting |
| E. Urbanisation |
Answer:
| Left column | Right column |
| 1. Local use of forest | C. Honey, timber |
| 2. Cause of deforestation | E. Urbanisation |
| 3. Result of deforestation | A. Flood and drought |
| 4. Productive use of forest | B. Ecotourism |
Question 2.
| Left column | Right column |
| 1. Non conventional energy sourc | A. Vegetables, spices |
| 2. Poultry | B. Yam bean, sago |
| 3. Horticulture | C. Eggs, meat |
| 4. Alternative food source | D. Coal, kerosene oil |
| E. Geothermal energy |
Answer:
| Left column | Right column |
| 1. Non conventional energy sourc | E. Geothermal energy |
| 2. Poultry | C. Eggs, meat |
| 3. Horticulture | A. Vegetables, spices |
| 4. Alternative food source | B. Yam bean, sago |