Chapter 14 Natural Resources MCQs for Class 9 Science

Chapter 14 Natural Resources MCQs for Class 9 Science

Here students can practice Chapter 14 Natural Resources MCQs for Class 9 Science. All the MCQs are divided into several sub-pages. Each page has 40 MCQs, for the next page just scroll down and click on the buttons. Also you can practice Class 9 Science MCQs (Multiple Choice Questions) for other chapters.

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Q 1.: Which of the following is a renewable source?

(A) Wood

(B) Wildlife

(C) Forest 

(D) All of these

Option – (d)

Q 2.: Which one is inexhaustible source?

(A) Soil

(B) Fossil Fuels

(C) Solar radiations

(D) Minerals

Option – (c)

Q 3.: Soil is a component of  

(A) Atmosphere

(B) Hydrosphere

(C) Lithosphere

(D) Stratosphere

Option – (c)

Q 4.: SPM consists of

(A) Soot and smoke

(B) Fly ash

(C) Dust

(D) All of these

Option – (d)

Q 5.: The source of acid rain is atmospheric

(A) Nitrogen oxides

(B) Sulphur oxides

(C) Both (a) and (b)

(D) None 

Option – (c)

Q 6.: The temperature range of on the moon is

(A) -10ºC to 10ºC

(B) -190º C to 110ºC

(C) -90ºC to 10ºC

(D) -50ºC to 250ºC

Option – (b)

Q 7.: The gaseous component over the earth’s surface comprises

(A) Atmosphere

(B) Hydrosphere

(C) Lithosphere

(D) Ionosphere

Option – (a)

Q 8.: Rainfall patterns depend on

(A) The underground water table

(B) The number of water bodies in an area

(C) The density pattern of human population in an area

(D) The prevailing season in an area

Option – (d)

Q 9.: Which of the following is not a greenhouse gas ?

(A) Methane 

(B) Carbon dioxide

(C) Carbon monoxide

(D) Nitrous oxide 

Option – (c)

Q 10.: If there were no atmosphere around the earth, the temperature of the earth would

(A) Increase

(B) Go on decreasing

(C) Increase during day and decrease during night

(D) Be unaffected

Option – (c)

Q 11.: Among the given options, which one is not correct for the use of large amount of fertilisers and pesticides?

(A) They are ecofriendly

(B) They turn the fields barren after some time

(C) They adversely affect the useful component of the soil 

(D) They destroy the soil fertility

Option – (a)

Q 12.: Total earth’s surface covered by water is

(A) 71%

(B) 60%

(C) 85%

(D) 50%

Option – (a)

Q 13.: Of the total freshwater available on the earth, what percentage is in frozen state?

(A) 90%

(B) 77%

(C) 22%

(D) 10%

Option – (b)

Q 14.: Wind moving with a speed of more than 120 km/h is called  

(A) Breeze 

(B) Storm

(C) Gale

(D) Hurricane

Option – (d)

Q 15.: A lake with an inflow domestic sewage rich in organic waste may result in

(A) Drying of the lake due to algal bloom

(B) An increased production of fish due to lot of nutrients

(C) Death of fish due to lack of oxygen

(D) Increased population of aquatic organisms

Option – (c)

Q 16.: Conservation is  

(A) Proper use of natural resources 

(B) Protection of natural resources

(C) Management of natural resources

(D) All of them

Option – (d)

Q 17.: Low visibility during cold weather is due to

(A) Formation of fog

(B) Unburnt carbon particles suspended in air

(C) Lack of adequate power supply

(D) None of these

Option – (a)

Q 18.: The most exploited non-renewable resource is

(A) Water

(B) Petroleum

(C) Electricity

(D) All of the above

Option – (b)

Q 19.: Hydrological cycle is under the control of

(A) Grasslands

(B) Forests

(C) Planktons

(D) Epiphytes

Option – (b)

Q 20.: Greenhouse effect due to the increasing concentration of

(A) CO2

(B) CO

(C) SO2

(D) O3

Option – (a)

Q 21.: The chief source of nitrogen for plant in soil is

(A) Nitrite

(B) Nitrate

(C) Ammonia

(D) Free nitrogen

Option – (b)

Q 22.: Soil is component of 

(A) Atmosphere

(B) Lithosphere

(C) Mesosphere

(D) Stratosphere

Option – (b)

Q 23.: Soil erosion can be prevented by

(A) Heavy rain

(B) Deforestation

(C) Afforestation

(D) Overgrazing

Option – (d)

Q 24.: Conversion of soil nitrates into nitrogen is called

(A) Nitrogen fixation

(B) Nitrification

(C) Denitrification

(D) Ammonification

Option – (c)

Q 25.: Which one of the following is not a fossil fuel?

(A) Coal


(C) Petroleum

(D) Uranium

Option – (d)

Q 26.: Oxygen is returned back to atmosphere by

(A) Respiration

(B) Photosynthesis

(C) Nitrification

(D) Denitrification

Option – (b)

Q 27.: Soil conservation is a process in which

(A) Soil is aerated

(B) Soil erosion is allowed

(C) Sterile soil is made fertile

(D) Soil is protected against loss

Option – (d)

Q 28.: Plants die in water logged soil because of

(A) Nutrient leaching

(B) Dilution of soil nutrients

(C) Stoppage of root respiration

(D) Dilution of cell sap

Option – (c)

Q 29.: CFCs cause

(A) Depletion of ozone layer

(B) Depletion of CO2

(C) Acid rain

(D) Carbon monoxide poisoning

Option – (a)

Q 30.: Which one of the following is a mismatched?

(A) Fossil fuel burning – release of CO2

(B) Nuclear power – radioactive waste

(C) Solar energy – greenhouse effect

(D) Biomass burning – release of CO2

Option – (b)

Q 31.: Which component of the soil makes it porous?

(A) Humus

(B) Water

(C) Minerals

(D) Living organisms

Option – (a)

Q 32.: Harmful ultraviolet rays of sun are absorbed by 

(A) Carbon dioxide

(B) Ozone

(C) Helium

(D) Cloud

Option – (b)

Q 33.: Which gases cause global warming?

(A) Inert gases

(B) Rare gases

(C) Greenhouse gases

(D) Nobel gases

Option – (c)

Q 34.: Nitrites can be converted into nitrates by_________

(A) Nitrobactor bacteria 

(B) Nitrosomonas bacteria

(C) Symbiotic bacteria

(D) Ammonifying bacteria

Option – (a)

Q 35.: __________ cause depletion of ozone layer

(A) Water vapour

(B) Greenhouse gases

(C) Inert gases

(D) Chlorofluorocarbons

Option – (d)

Q 36.: The main biological process through which oxygen is returned to the atmosphere is __________.

(A) Burning of fossil fuel

(B) Respiration

(C) Photosynthesis

(D) Rainfall

Option – (c)

Q 37.: The factors which do not lead to soil formation in nature is_________

(A) Polythene bags

(B) Sun

(C) Water

(D) Wind

Option – (a)

Q 38.: The form of water which is suitable for drinking is__________?

(A) Soft water

(B) Potable water

(C) Distilled water

(D) Demineralised water

Option – (b)

Q 39.: One of the following processes is not a step involved in the water-cycle operating in nature

(A) Evaporation

(B) Transpiration

(C) Precipitation

(D) Photosynthesis

Option – (d)

Q 40.: Which step is not involved in the carbon-cycle?

(A) Photosynthesis

(B) Transpiration

(C) Respiration

(D) Burning of fossil Fuels

Option – (b)


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We hope that these Chapter 14 Natural Resources MCQs for Class 9 Science helped you in learning new concepts. All questions are based on NCERT syllabus and some of them have been asked in various competitive exams. You can go to the next pages to practice more for Chapter 14 Natural Resources MCQs for Class 9 Science, click on the question range given above.

Also you can practice Class 9 Science MCQs (Multiple Choice Questions) for other chapters.