Class 9 Science Chapter 14 Natural Resources MCQ Questions with Answer

Natural Resources Class 9 MCQ is one of the best strategies to prepare for the CBSE Class 9 Board exam. If you want to complete a grasp concept or work on one’s score, there is no method except constant practice. Students can improve their speed and accuracy by doing more Natural Resources class 9 MCQ which will help them all through their board test.

Natural Resources Class 9 MCQ Questions with Answer

Class 9 Science MCQ with answers are given here to Chapter 14 Natural Resources. These MCQs are based on the latest CBSE board syllabus and relate to the latest Class 9 Science syllabus. By Solving these Class 9 MCQs, you will be able to analyze all of the concepts quickly in the Chapter and get ready for the Class 9 Annual exam.

Learn Natural Resources Class 9 MCQ with answers pdf free download according to the latest CBSE and NCERT syllabus. Students should prepare for the examination by solving CBSE Class 9 Natural Resources MCQ with answers given below.

Question 1: Atmosphere maintain the temperature of earth because

• a) It absorbs the heat rays
• b) It contains water vapor
• c) It reflects the heat rays
• d) It hold air, which is bad conductor of heat 

Question 2: Nitrogen fixation can be done by

• a) All of the options
• b) Industries
• c) Rhizobium
• d) Lightening

Question 3: Greenhouse gases are

• a) Rhizobium
• b) Lightening
• c) All of the options 
• d) Industries

Question 4: Burning of fossil fuels add

• a) CO₂, SO₂, NO₂, gases in air
• b) C, SO₂, N₂, gases in air
• c) CH₄, CO₂, NO₂, gases in air
• d) CO, SO₃, NO₃, gases in air

Question 5: The life supporting zone of the earth is

• a) Lithosphere
• b) Biosphere 
• c) Hydrosphere
• d) Atmosphere

Question 6: Depletion of ozone molecules in the stratosphere is due to

• a) Halogen compound
• b) Fluorine compound
• c) Chlorine compound
• d) None of the options

Question 7: On moon the temperature ranges from -190 degree C to 110 degree C. This is due to

• a) Water bodies present
• b) No bio geo chemical cycle
• c) No atmosphere 
• d) No water bodies present

Question 8: Life cannot sustain on Mars and Venus because major component in atmosphere is

• a) Carbon dioxide
• b) Oxygen
• c) Nitrogen
• d) Ozone

Question 9: Molecules of proteins contain

• a) All of the options
• b) Carbon
• c) Nitrogen
• d) Oxygen

Question 10. Microorganism living in pond called ………….. which is autotrophic
(a) Crab
(b) Fish
(c) Blue green algae
(d) Fungus

Question 11. What would happen, if all the oxygen present in the environment is converted to ozone?
(a) We will be protected more
(b) It will become poisonous and kill all living forms
(c) Ozone is not stable, hence it will be toxic
(d) It will allow harmful sun radiations to reach earth and damage many life forms

Question 12. 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

Question 13: The micro-organisms which helps in formation of soil is

• a) Lichen
• b) Bacteria
• c) Moss
• d) B and c

Question 14 . If there were no atmosphere around the Earth, the temperature of the Earth will
(a) increase
(b) go on decreasing
(c) increase during day and decrease during night
(d) be unaffected

Question 15. Outer crust of earth is called ……………..
(a) Outer sphere
(b) Lithosphere
(c) Hydrosphere
(d) None of them

Question 16. When we breathe in air, nitrogen also goes inside along with oxygen. What is the fate of nitrogen?
(a) It moves along with oxygen into the cells
(b) It comes out with the carbon dioxide during exhalation
(c) It is absorbed only by the nasal cells
(d) Nitrogen concentration is already more in the cells, so itis not at all absorbed

Whoever needs to take the CBSE Class 9 Board Exam should look at this MCQ. To the Students who will show up in CBSE Class 9 Science Board Exams, It is suggested to practice more and more questions. Aside from the sample paper you more likely had solved. These Natural Resources Class 9 MCQ are ready by the subject specialists themselves.

Question 17. Increase harmful substances in air called as……………..
(a) Air pollution
(b) Droplets
(c) Water vapor
(d) None of them

Question 18. If the carbon dioxide content in the atmosphere is increased then which one of the following would not get affected?
(a) Amount of the heat retained by the environment
(b) Process of photosynthesis in plants
(c) Global warming
(d) Existence of desert plants

Question 19. Ozone layer is getting depleted because of
(a) excessive use of automobiles
(b) excessive formation of industrial units
(c) excessive use of man-made compounds containing both fluorine and chlorine
(d) excessive deforestation

Question 20. Total Earth’s surface covered by water is
(a) 75%
(b) 60%
(c) 85%
(d) 50%

Question 21. The protein deposited in the dead superficial cells that make the skin epithelium impervious to water is
(a) keratin
(b) elastin
(c) collagen
(d) mucus

Question 22. In nutrient cycle, minerals tend to be dispersed through
(a) evaporation
(b) assimilation
(c) surface and sub-surface run off
(d) convection

Question 23. Air, water, and soil is…………………….. component
(a) Biotic component
(b) Abiotic component
(c) A and b both
(d) None of them

Question 24. Through which process is oxygen returned to the atmosphere?
(a) Combustion
(b) Photosynthesis
(c) Respiration
(d) Formation of nitrogen oxides

Question 25. Which of the following is not a “Greenhouse gas” ?
(a) SO₂
(b) CO₂
(c) N₂O
(d) CH₄

Question 26. The ‘water pollution’ can be defined in several ways. Which of the following statements does not give the correct definition?
(a) The addition of the undesirable substances to water bodies
(b) The removal of the desirable substances from water bodies
(c) A change in pressure of the water bodies
(d) A change in temperature of the water bodies

Question 27. Which step is not involved in the carbon-cycle?
(o) Photosynthesis
(b) Transpiration
(c) Respiration
(d) Burning of fossil fuels

Question 28. A pollutant is any substance, chemical or other factor that changes natural :
(a) Geo-chemical cycle
(b) Flora of a place
(c) Balance of our environment
(d) Wild life of a region

Question 29. Water is ……………….. conductor of heat
(a) Good
(b) Bad
(c) More
(d) Less

Question 30. Major component of the atmosphere on Mars and Venus is
(a) Carbon dioxide
(b) Oxygen
(c) Nitrogen
(d) Water vapour

Question 31. Marked temperature changes in an aquatic environment can affect
(a) breeding of animals
(b) more growth of aquatic plants
(c) process of digestion in animals
(d) availability of nutrients.

Question 32. mog is the mixture of
(a) smoke + CO2
(b) smoke + nitrogen
(c) smoke + fog
(d) smoke + ozone

You can easily get good marks If you study with the help of Class 9 Natural Resources MCQ. We trust that information provided is useful for you. NCERT MCQ Questions for Class 9 Natural Resources PDF Free Download would without a doubt create positive results. 

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