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

MCQ | Natural Resources Class 9 | Part-3

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-3 )
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.	Disease causing bacteria present in water cause…………….
	A.Cancer
	B.Aids
	C.Corona
	D.Cholera

Ans: Cholera

Q2.	Temperature change in pond affects to life of………..
	A.Aquatic organisms
	B.Terrestrial organisms
	C.Marine organisms
	D.None of them

Ans: Aquatic organisms

Q3.	Due to heat of sun all rocks cannot be expand and contract results is………….
	A.Crack in rocks
	B.Expansion of rocks
	C.Formation of lava
	D.None of them

Ans: Crack in rocks

Q4.	It is not responsible for formation of soil
	A.Sun
	B.Water
	C.Wind
	D.None of them

Ans: none of them

Q5.	…………….. organism responsible to form powder of rock
	A.Crab
	B.Lichen
	C.Human being
	D.Tiger

Ans: Lichen

Q6.	Decayed living organisms present in soil called…………..
	A.Black soil
	B.White soil
	C.Humas
	D.Fertilizer

Ans: Humas

Q7.	Breakdown of bigger rocks into fine smaller mineral particles is called:
	A. Paedogenesis
	B. Mineralization
	C. Cracking
	D. Weathering

Ans: Weathering

Q8.	The greenhouse effect is due to :
	A. Impermeability of long wavelength radiations through CO₂ of the atmosphere
	B. Penetrability of low wavelength raditions through O₃ layer
	C. Penetrability of low wavelength radiations through CO₂
	D. Impermeability of long wavelength radiations through O₃ layer

Ans: Impermeability of long wavelength radiations through CO₂ of the atmosphere

Q9.	Which of the following mainly decides biodiversity in a particular area?
	A. Depth of bottom soil
	B. Different layers of soil
	C. Chemical composition of middle soil
	D. Quality of topsoil

Ans: Quality of topsoil

Q10.	Carbon dioxide in atmospheric air amounts to be about :
	A.0.00003
	B.0.33
	C.0.0003
	D.0.003

Ans: 0.0003

Q11.	In nutrient cycle, minerals tend to be dispersed through
	A. evaporation
	B. assimilation
	C. surface and sub-surface run off
	D. convection

Ans: surface and sub-surface run off

Q12.	Which of the following does not cause water pollution?
	A. Addition of mercury salts to water body.
	B. Addition of disease-causing bacteria to water body.
	C. Addition of dissolved oxygen to water body.
	D. Addition of fertilizers to water body.

Ans: Addition of dissolved oxygen to water body.

Q13.	Which of the following is a free living nitrogen fixing bacterium present in soil ?
	A. Azotobacter
	B. Nitrosomonas
	C. Rhizobium
	D. Pseudomonas

Ans: Azotobacter

Q14.	Volkmann's canals occur in :-
	A. Cartilage
	B. Bone
	C. Internal ear
	D. Liver

Ans: Bone

Q15.	The bone marrow is composed of :
	A. Muscle fibres and adipose tissue
	B. Areolar tissue and adipose tissue
	C. Adipose tissue and calcified cartilage
	D. Adipose tissue, areolar tissue and blood vessels

Ans: Adipose tissue, areolar tissue and blood vessels

Q16.	Wrinkling in old age is due to
	A. collagen
	B. myosin
	C. keratin
	D. actin

Ans: collagen

Q17.	Humans is made by……………………..
	A.Blue green algae
	B.Bacteria
	C.Decayed living organisms
	D.Plants and air

Ans: Decayed living organisms

Q18.	Fertilizers and pesticides use for……………………..
	A.Making food
	B.Farming
	C.Transporting
	D.None of them

Ans: Farming

Q19.	…………………which are instrumental in making the rich humans
	A.Cactus
	B.Earthworms
	C.Algae
	D.None of them

Ans: Earthworms

Q20.	Substance affects adverse affect on fertility of soil and kill living organisms in it cause…….
	A.Soil erosion
	B.Soil pollution
	C.Soil fertility
	D.Soil capacity

Ans: Soil pollution

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NCERT SOLUTIONS

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