MCQ Questions | Class 9 Science Chapter 14 | Natural Resources with Answers

MCQ | Natural Resources Class 9 | Part-2

Check the below NCERT MCQ Questions for Class 9 Science Chapter 14 Natural Resources with Answers Pdf free download. MCQ Questions for Class 9 Science with Answers were prepared based on the latest exam pattern. We have Provided Natural Resources Class 9 Science MCQs Questions with Answers to help students understand the concept very well.

Objective Question | NCERT Science Class 9

NCERT Solutions Class 9 Science
Book:	National Council of Educational Research and Training (NCERT)
Board:	Central Board of Secondary Education (CBSE)
Class:	9th
Subject:	Science
Chapter:	14 ( Part-2 )
Chapters Name:	Natural Resources
Medium:	English

Ncert Solutions for Class 9 Science | Objective Type Questions

You can refer to NCERT Solutions for Class 9 Science Chapter 14 Natural Resources to revise the concepts in the syllabus effectively and improve your chances of securing high marks in your board exams.

Natural Resources | Class 9 Science | NCERT Solutions

Q1.	Unburnt carbon particles called………………….
	A.Black carbon
	B.Hydrocarbon
	C.Pure carbon
	D.None of them

Ans: Hydrocarbon

Q2.	Smog present in atmosphere generally we called………………
	A.Air pollution
	B.Droplets
	C.Water vapor
	D.None of them

Ans: Air pollution

Q3.	Increase harmful substances in air called as……………..
	A.Air pollution
	B.Droplets
	C.Water vapor
	D.None of them

Ans: Air pollution

Q4.	…………….. it is not form of water
	A.Ice
	B.Water
	C.Vapor
	D.Rainfall

Ans: Rainfall

Q5.	Which is the universal solvent
	A.Ethanol
	B.Methanol
	C.Propanol
	D.Water

Ans: water

Q6.	Terrestrial life forms requires……………… water
	A.Saline water
	B.Marine water
	C.Fresh water
	D.Soda

Ans: fresh water

Q7.	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

Ans: excessive use of man-made compounds containing both fluorine and chlorine

Q8.	Lichens do not like to grow in cities because of :-
	A. SO₂ pollution
	B. Missing natural habitat
	C. Absence of right type of algae and fungi
	D. Lack of moisture

Ans: SO₂ pollution

Q9.	In nitrogen cycle, which bacteria are responsible for nitrification?
	A. Rhizobium
	B. Nitrosomonas
	C. Nitrosomonas and Nitrobacter
	D. Clostridium

Ans: Nitrosomonas and Nitrobacter

Q10.	Haversian system is typically found in bones of
	A. fishes
	B. aves
	C. reptiles
	D. mammals

Ans: mammals

Q11.	mog is the mixture of
	A. smoke + CO₂
	B. smoke + nitrogen
	C. smoke + fog
	D. smoke + ozone

Ans: smoke + fog

Q12.	Which of the following tissue has matrix, that is the source of its structural and functional performances?
	A. connective tissue
	B. muscular tissue
	C. nervous tissue
	D. epithelial tissue

Ans: connective tissue

Q13.	Which is not a function of humus?
	A. It allows water and air to penetrate deep underground.
	B. Humus greatly influences the soil structure of a region.
	C. Humus kills the harmful bacteria present in soil.
	D. Humus causes the soil to become more porous.

Ans: Humus kills the harmful bacteria present in soil.

Q14.	Major protein of connective tissue is:
	A. Myosin
	B. Melanin
	C. Collagen
	D. Keratin

Ans: Collagen

Q15.	Nitrogen-fixation by bacteria does not occur in the presence of:
	A. Oxygen
	B. Hydrogen
	C. Carbon dioxide
	D. Sulphur

Ans: Oxygen

Q16.	Through which process is oxygen returned to the atmosphere?
	A. Combustion
	B. Photosynthesis
	C. Respiration
	D. Formation of nitrogen oxides

Ans: Photosynthesis

Q17.	Dolphin is living in …………….
	A.Marine water
	B.Fresh water
	C.Soda
	D.None of them

Ans: Marine water

Q18.	Microorganism living in pond called ………….. which is autotrophic
	A.Crab
	B.Fish
	C.Blue green algae
	D.Fungus

Ans: Blue green algae

Q19.	It is not reason of water pollution
	A.Spillage of oil in sea
	B.Industrial waste in water
	C.Soil erosion
	D.Heavy metals present in sea water

Ans: Soil erosion

Q20.	……………….. salt used in paper industry
	A.Carbon
	B.Mercury
	C.Aluminium
	D.Lead

Ans: Mercury

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NCERT SOLUTIONS

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