Sainik School Class 9 General Science MCQ
AISSEE Sainik School Class 9 General Science Multiple Choice Questions (MCQ) & Answers avialable here on this page. We have given General Science whole syllabus MCQ for or students practice.
Cell Structure and Function
(1) The smallest living part of an organism is a _____?
(a) Organ
(b) Cell
Ans:- b) Cell
(2) Organisms made of more than one cell are called _____?
(a) Unicellular
(b) Multicellular
Ans:- b) Multicellular
(3) The single-celled organisms are called _____?
(a) Unicellular
(b) Multicellular
Ans:- a) Unicellular
(4) Nucleus is separated from cytoplasm by a ____?
(a) Cell membrane
(b) Nuclear membrane
Ans:- b) Nuclear membrane
(5) The smallest cell is in ____?
(a) Bacteria
(b) The egg of an ostrich
Ans:- a) Bacteria
(6) The largest cell is _____?
(a) Bacteria
(b) The egg of an ostrich
Ans:- b) The egg of an ostrich
(7) The boundary of the cell is called _____?
(a) Cell membrane
(b) Nuclear membrane
Ans:- a) Cell membrane
(8) The central dense round body in the center of a cell is called _____?
(a) Cytoplasm
(b) Nucleus
Ans:- b) Nucleus
(9) The jelly-like substance between the nucleus and the cell membrane is called _____?
(a) Cytoplasm
(b) Nucleus
Ans:- a) Cytoplasm
(10) Nucleus contains thread-like structures called _____?
(a) Organelles
(b) Chromosomes
Ans:- b) Chromosomes
(11) ____ is a unit of inheritance in living organisms?
(a) Gene
(b) Chromosomes
Ans:- a) Gene
(12) The cells having nuclear material without nuclear membrane are termed _____?
(a) Eukaryotic cells
(b) Prokaryotic cells
Ans:- b) Prokaryotic cells
(() The cells having well-organized nucleus with a nuclear membrane are termed _____?
(a) Eukaryotic cells
(b) Prokaryotic cells
Ans:- a) Eukaryotic cells
(14) Plastids are found only in ____ cells?
(a) Plant cells
(b) Animal cells
Ans:- a) Plant cells
(15) ___ is called the living substance of the cell?
(a) Nucleus
(b) Chromosomes
(c) Protoplasm
Ans:- c) Protoplasm
(16) Green coloured plastids are called _____?
(a) Cyptoplasm
(b) Chloroplasts
Ans:- b) Chloroplasts
(17) Animal cell has ____ vacuoles?
(a) Large
(b) Small
Ans:- b) Small
(18) Plant cell has ____ vacuoles?
(a) Large
(b) Small
Ans:- a) Large
(19) Bacteria has _____ cell?
(a) Eukaryotic
(b) Prokaryotic
Ans:- b) Prokaryotic
(20) Onion cell are _____ cell?
(a) Eukaryotic
(b) Prokaryotic
Ans:- a) Eukaryotic
Sound and its basics
(1) ____ is produced by vibrating objects?
(a) Wave
(b) Sound
Ans:- b) Sound
(2) In human beings, the vibration of the _____ produces sound?
(a) Vocal cords
(b) Windpipes
Ans:- a) Vocal cords
(3) The vocal cords in men are about _____ mm long?
(a) 20
(b) 15
Ans:- a) 20
(4) The vocal cords in women are about _____ mm long?
(a) 20
(b) 15
Ans:- b) 15
(5) Sound travels through ____?
(a) Water only
(b) Vacuum
(c) Liquid, gas & solid
Ans:- c) Liquid, gas & solid
(6) The number of oscillations per second is called ______ of oscillation?
(a) Frequency
(b) Amplitude
Ans:- a) Frequency
(7) The unit of frequency is ____?
(a) Decibel
(b) Hertz
Ans:- b) Hertz
(8) The unit of loudness is _____?
(a) Decibel
(b) Hertz
Ans:- a) Decibel
(9) Above _____ dB the noise becomes physically painful?
(a) 70
(b) 80
(c) 60
Ans:- b) 80
(10) The loudness of sound depends on its ____?
(a) Frequency
(b) Amplitude
Ans:- b) Amplitude
(11) When the amplitude of vibration is large, the sound produced is _____?
(a) Loud
(b) Feeble
Ans:- a) Loud
(12) When the amplitude of vibration is small, the sound produced is _____?
(a) Loud
(b) Feeble
Ans:- b) Feeble
(() The frequency determines the ____ of a sound?
(a) Pitch
(b) Loudness
Ans:- a) Pitch
(14) If the frequency of vibration is ____, the sound is shrill and has a higher pitch?
(a) Higher
(b) Lower
Ans:- a) Higher
(15) If the frequency of vibration is ____, the sound has a lower pitch?
(a) Higher
(b) Lower
Ans:- b) Lower
(16) A drum vibrates with a ____ frequency?
(a) Low
(b) High
Ans:- a) Low
(17) A whistle has a _____ frequency?
(a) Low
(b) High
Ans:- b) High
(18) A bird makes a _____ sound?
(a) High-pitched
(b) Low-pitched
Ans:- a) High-pitched
(19) A lion makes a _____ roar?
(a) High-pitched
(b) Low-pitched
Ans:- b) Low-pitched
(20) The range of audible frequencies is roughly from _____?
(a) 20 to 20,000 Hz
(b) 30 to 30,000 Hz
Ans:- a) 20 to 20,000 Hz
(21) The ultrasound equipment works at frequencies _____ than 20,000 Hz?
(a) Higher
(b) Lower
Ans:- a) Higher
(22) The unpleasant sounds are called ____?
(a) Pitch
(b) Noise
Ans:- b) Noise
(23) Impairment of hearing is caused by ____ pollution?
(a) Air
(b) Noise
Ans:- b) Noise
(24) _____ can reduce noise pollution?
(a) Plantation on the roadside
(b) Reduce the use of vehicle
Ans:- a) Plantation on the roadside
(25) _____ sends vibrations to the inner ear?
(a) Larynx
(b) Eardrum
Ans:- b) Eardrum
(26) Sound with a frequency less than 20 Hz is called _____?
(a) Audible sound
(b) Infrasonic sound
(c) Ultrasonic sound
Ans:- b) Infrasonic sound
(27) Sound whose frequency lies within the range of 20 Hz to 20 KHz is called ____?
(a) Audible sound
(b) Infrasonic sound
(c) Ultrasonic sound
Ans:- a) Audible sound
(28) Sound which has a frequency of more than 20000 Hz is called _____?
(a) Audible sound
(b) Infrasonic sound
(c) Ultrasonic sound
Ans:- c) Ultrasonic sound
(29) ____sound is produced during earthquake?
(a) Audible sound
(b) Infrasonic sound
(c) Ultrasonic sound
Ans:- b) Infrasonic sound
(30) ____sound is used in USG?
(a) Audible sound
(b) Infrasonic sound
(c) Ultrasonic sound
Ans:- c) Ultrasonic sound
Force, Friction and Pressure
(1) A push or a pull on an object is called a _____?
(a) Force
(b) Friction
Ans:- a) Force
(2) An interaction of one object with another object results in a ____ between the two objects?
(a) Friction
(b) Force
Ans:- b) Force
(3) If the force applied on the object is in the direction of its motion, the speed of the object _____?
(a) Increases
(b) Decreases
Ans:- a) Increases
(4) If the force applied on the object is in the direction opposite to the direction of motion, the speed of the object _____?
(a) Increases
(b) Decreases
Ans:- b) Decreases
(5) The force resulting due to the action of muscles is known as the ____?
(a) Friction
(b) Muscular force
Ans:- b) Muscular force
(6) ____force enables us in movement or bending of our body?
(a) Muscular force
(b) Gravitational force
Ans:- a) Muscular force
(7) Muscular force is ____ force?
(a) Contact
(b) Non-contact
Ans:- a) Contact
(8) Force per unit area is called ____?
(a) Force of gravity
(b) Pressure
Ans:- b) Pressure
(9) The rope may not move if the two teams ____ at it with equal force?
(a) Pull
(b) Push
Ans:- a) Pull
(10) To move a tyre faster it has to be ____ repeatedly?
(a) Pulled
(b) Pushed
Ans:- b) Pushed
(11) The force exerted by a charged body on another charged or uncharged body is known as _____ force?
(a) Electrostatic force
(b) Gravitational force
Ans:- a) Electrostatic force
(12) Objects or things fall towards the earth for _____ force?
(a) Electrostatic force
(b) Gravitational force
Ans:- b) Gravitational force
(() Water in rivers flows downwards due to the _____ force?
(a) Electrostatic force
(b) Gravitational force
Ans:- b) Gravitational force
(14) Gases exert ____ on the walls of their container?
(a) Friction
(b) Pressure
Ans:- b) Pressure
(15) The pressure exerted by the air around us is known as _____?
(a) Force of gravity
(b) Atmosphere pressure
Ans:- b) Atmosphere pressure
(16) Spring balance is used for measuring the ____ acting on an object?
(a) Mass
(b) Weight
(c) Force
Ans:- c) Force
(17) Friction can produce ____?
(a) Force
(b) Heat
Ans:- b) Heat
(18) The substances that reduce friction is called ____?
(a) Lubricants
(b) Drag
Ans:- a) Lubricants
(19) Friction can be increased by making a surface ____?
(a) Smooth
(b) Rough
Ans:- b) Rough
(20) The frictional force exerted by ____?
(a) Lubricants
(b) Drag
Ans:- b) Drag
(21) The frictional force on an object in a fluid depends on its ____ with respect to the fluid?
(a) Speed
(b) Nature
Ans:- a) Speed
(22) When one body rolls over another body, the resistance to its motion is called ____ friction?
(a) Sliding
(b) Rolling
Ans:- b) Rolling
(23) ____ reduces friction?
(a) Rolling
(b) Sliding
Ans:- a) Rolling
(24) ____ friction comes into play when an object is sliding over another?
(a) Sliding
(b) Rolling
Ans:- a) Sliding
(25) Rolling friction is _____ than sliding friction?
(a) Larger
(b) Smaller
Ans:- b) Smaller
(26) Fluid friction can be minimized by giving suitable ____ to bodies moving in fluids?
(a) Speed
(b) Nature
(c) Shapes
Ans:- c) Shapes
(27) In many machines, friction is reduced by using _____?
(a) Force
(b) Ball bearings
Ans:- b) Ball bearings
(28) Striking a matchstick produces fire by ____?
(a) Friction
(b) Force
Ans:- a) Friction
(29) Soles of shoes wear out due to ____?
(a) Force
(b) Friction
Ans:- b) Friction
(30) Powder is sprinkled on thecarrom board to _____ friction?
(a) Increase
(b) Reduce
Ans:- b) Reduce
(31) Tyres are treaded to _____ friction?
(a) Increase
(b) Reduce
Ans:- a) Increase
Global warming
(1) ____ is one of the gases responsible for Global Warming?
(a) O2
(b) CO2
Ans:- b) CO2
(2) ____ causes Global Warming.
(a) Greenhouse Effect
(b) Water pollutant
Ans:- a) Greenhouse Effect
(3) ____ is one of the man-made causes of Global Warming.
(a) Deforestation
(b) Forest Blazes
Ans:- a) Deforestation
(4) ____ damage the ozone layer of the atmosphere?
(a) CFCs
(b) CO2
Ans:- a) CFCs
(5) Global Warming has led to ____.
(a) Greenhouse Effect
(b) Climate Change
Ans:- b) Climate Change
(6) Increased concentration of CO2 in the air causes _____.
(a) Global warming
(b) Acid rain
(c) Deforestation
Ans:- a) Global warming
Micro-Organisms
(1) The disease like _____ is caused by viruses?
(a) Polio
(b) Malaria
(c) Typhoid
Ans:- a) Polio
(2) Malaria is caused by _____?
(a) Protozoa
(b) Bacteria
(c) Virus
Ans:- a) Protozoa
(3) ____ is used for commercial production of alcohol and wine?
(a) Algae
(b) Bacteria
(c) Yeast
Ans:- c) Yeast
(4) _____ is used for making breads, pastries and cakes?
(a) Yeast
(b) Bacteria
(c) Protozoa
Ans:- a) Yeast
(5) Tuberculosis is caused by _____?
(a) Protozoa
(b) Bacteria
(c) Virus
Ans:- b) Bacteria
(6) In agriculture _____ are used to increase soil fertility by fixing nitrogen? (a) Protozoa
(b) Viruses
(c) Bacteria
Ans:- c) Bacteria
(7) Milk is turned into curd by _____?
(a) Yeast
(b) Bacteria
(c) Protozoa
Ans:- b) Bacteria
(8) The disease-causing microorganisms are called _____?
(a) Pathogens
(b) Bacteria
(c) Yeast
Ans:- a) Pathogens
(9) Foot and mouth disease of cattle is caused by a _____?
(a) Bacteria
(b) Virus
(c) Protozoa
Ans:- b) Virus
(10) Rust of wheat is a plant disease which is caused by _____ micro-organisms?
(a) Bacteria
(b) Virus
(c) Fungi
Ans:- c) Fungi
(11) Cirus canker is a plant disease which is caused by _____ micro-organisms?
(a) Bacteria
(b) Virus
(c) Fungi
Ans:- a) Bacteria
(12) Yellow vein mosaic of bhindi is a plant disease which is caused by _____ micro-organisms?
(a) Bacteria
(b) Virus
(c) Fungi
Ans:- b) Virus
Synthetic Fibers and Plastics
(1) Synthetic fibers and plastics, are made of very large units called ____?
(a) Rayon
(b) Polymer
(c) Nylon
Ans:- b) Polymer
(2) The fiber that is obtained by chemical treatment of wool pulp and has the similar properties of silk, is called ____?
(a) Rayon
(b) Polymer
(c) Nylon
Ans:- a) Rayon
(3) _____ is the first fully synthetic fiber?
(a) Rayon
(b) Polymer
(c) Nylon
Ans:- c) Nylon
(4) ____ fiber is used for making parachutes?
(a) Nylon
(b) Polymer
(c) Rayon
Ans:- a) Nylon
(5) ____ Polyester is used for making bottles, wires?
(a) Terylene
(b) Pet
Ans:- b) PET
(6) ____ is a mixture of polyester and cotton?
(a) Polycot
(b) Polywool
Ans:- a) Polycot
(7) ____ is a mixture of polyester and wool?
(a) Polycot
(b) Polywool
Ans:- b) Polywool
(8) ____ synthetic fiber is used to make sweaters, blankets?
(a) Rayon
(b) Acrylic
(c) Nylon
Ans:- b) Acrylic
(9) All the synthetic fibers are prepared by using ______ chemicals?
(a) Petrochemicals
(b) Ester
Ans:- a) Petrochemicals
(10) _____ is an example of a plastic?
(a) Polycot
(b) Polythene
Ans:- b) Polythene
(11) The plastics which get deformed easily by heating and can be bent easily are known as _____?
(a) Thermoplastics
(b) Thermosetting plastics
Ans:- a) Thermoplastics
(12) The plastics which when moulded once, cannot be softened by heating, are called _____?
(a) Thermoplastics
(b) Thermosetting plastics
Ans:- b) Thermosetting plastics
(() _____ is a thermoplastic?
(a) Polythene
(b) Bakelite
(c) Melamine
Ans:- a) Polythene
(14) _____ is a thermosetting plastic?
(a) Polythene
(b) Bakelite
(c) PVC
Ans:- b) Bakelite
(15) _____ is used for making electrical switches?
(a) Melamine
(b) PVC
(c) Bakelite
Ans:- c) Bakelite
(16) _____ is used for floor tiles?
(a) Melamine
(b) PVC
(c) Bakelite
Ans:- a) Melamine
(17) ____ is a special plastic on which oil and water do not stick?
(a) Melamine
(b) Teflon
(c) Polythene
Ans:- b) Teflon
(18) ____ is a fire-proof plastic?
(a) Polythene
(b) PVC
(c) Melamine
Ans:- c) Melamine
(19) The uniforms of firemen have coating of ____ plastic to make them flame resistant?
(a) Melamine
(b) PVC
(c) Bakelite
Ans:- a) Melamine
(20) A material which gets decomposed through natural processes, is called _____?
(a) Biodegradable
(b) Non-biodegradable
Ans:- a) Biodegradable
(21) A material which is not easily decomposed by natural processes, is called _____?
(a) Biodegradable
(b) Non-biodegradable
Ans:- b) Non-biodegradable
(22) _____ is biodegradable?
(a) Paper
(b) Plastic bags
(c) Metal cans
Ans:- c) Metal cans
(23) _____ is non-biodegradable?
(a) Wood
(b) Cotton cloth
(c) Plastic bags
Ans:- c) Plastic bags
Reproduction in Plants and Animals
(1) In ____ reproduction, only one parent is involved and there is no formation or fusion of the male and female sex cells.
(a) Asexual
(b) Sexual
Ans:- a) Asexual
(2) In ____ reproduction, two parents are involved and there is formation and fusion of male and female gametes.
(a) Asexual
(b) Sexual
Ans:- b) Sexual
(3) Bacteria reproduce asexually by the method of ____.
(a) Budding
(b) Binary fission
Ans:- b) Binary fission
(4) Chlorella reproduce by the method of ____.
(a) Multiple fission
(b) Binary fission
Ans:- a) Multiple fission
(5) ____ reproduce by the method of budding.
(a) Yeast
(b) Bacteria
Ans:- a)Yeast
(6) ____ reproduce by the method of fragmentation.
(a) Moss
(b) Spirogyra
Ans:- b) Spirogyra
(7) Ferns reproduce by the method of ____.
(a) Spore formation
(b) Fragmentation
Ans:- a) Spore formation
(8) The vegetative parts of a plant that are capable of giving rise to new plants are called ____.
(a) Fragments
(b) Propagules
Ans:- b) Propagules
(9) ____ is a modified stem.
(a) Carrot
(b) Ginger
Ans:- b) Ginger
(10) ____ is a plant whose leaves produce adventitious buds in their margin.
(a) Bryophyllum
(b) Asparagus
Ans:- a)Bryophyllum
(11) ____ is a biennial plant.
(a) Mango
(b) Carrot
Ans:- b) Carrot
(12) ____ plant reproduces by stem.
(a) Sweet potato
(b) Onion
Ans:- b) Onion
(13) ____ plant reproduces by root.
(a) Sweet potato
(b) Onion
Ans:- a) Sweet potato
(14) Sugarcane plants reproduce by the method of ____.
(a) Cutting
(b) Layering
Ans:- a)Cutting
(15) Jasmine plants reproduce by the method of ____.
(a) Cutting
(b) Layering
Ans:- b) Layering
(16) Guava plants reproduce by the method of ____.
(a) Grafting
(b) Layering
Ans:- a) Grafting
(17) ____ plants reproduce by the method of micro-propagation.
(a) Gladiolus
(b) Asparagus
Ans:- a) Gladiolus
(18) ____ are the green, outermost part of the flower.
(a) Petals
(b) Sepals
Ans:- b) Sepals
(19) ____ are the large, fragrant and brightly colored parts of the flower.
(a) Petals
(b) Sepals
Ans:- a) Petals
(20) ____ is the outermost part of flower.
(a) Corolla
(b) Calyx
Ans:- b) Calyx
(21) ____ are the male reproductive parts of the flower.
(a) Stamens
(b) Carpels
Ans:- a) Stamens
(22) ____ are the female reproductive parts of the flower.
(a) Stamens
(b) Carpels
Ans:- b) Carpels
(23) ____ is the second inner part of the flower.
(a) Corolla
(b) Calyx
Ans:- a) Corolla
(24) ____ is the third inner part of the flower.
(a) Androecium
(b) Gynoecium
Ans:- a)Androecium
(25) ____ is the forth innermost of the flower.
(a) Androecium
(b) Gynoecium
Ans:- b) Gynoecium
(26) The flowers bearing both male and female parts are called ____.
(a) Unisexual flowers
(b) Bisexual flowers
Ans:- b) Bisexual flowers
(27) The flowers bearing only male or female parts are called ____.
(a) Unisexual flowers
(b) Bisexual flowers
Ans:- a) Unisexual flowers
(28) ____ is the process in which the pollen grains from the anthers are transferred to the stigma of a flower of the same species.
(a) Pollination
(b) Fertilization
Ans:- a) Pollination
(29) ____ is the fusion of the male cell with the female cell to produce a zygote.
(a) Pollination
(b) Fertilization
Ans:- b) Fertilization
(30) ____ pollination occurs either within the same flower or between two flowers on the same plant.
(a) Cross-pollination
(b) Self-pollination
Ans:- b) Self-pollination
(31) ____pollination occurs between two flowers on different plants of the same species.
(a) Cross-pollination
(b) Self-pollination
Ans:- a) Cross-pollination
(32) ____flowers produce sticky pollen grains.
(a) Wind-pollinated flowers
(b) Insect-pollinated flowers
Ans:- b) Insect-pollinated flowers
(33) ____flowers produce light weighted pollen grains so that they easily carried away.
(a) Wind-pollinated flowers
(b) Insect-pollinated flowers
Ans:- a) Wind-pollinated flowers
(34) ____ is an example of water-pollinating flower.
(a) Flower of maize
(b) Vallisneria
Ans:- b) Vallisneria
(35) ____ is an example of wind-pollinated flower.
(a) Flower of maize
(b) Marigold
Ans:- a) Flower of maize
(36) ____ is an example of insect-pollinated flower.
(a) Flower of maize
(b) Marigold
Ans:- b) Marigold
(37) ____ is the most common asexual reproduction method in single-celled organisms.
(a) Budding
(b) Regeneration
(c) Fission
Ans:- c) Fission
(38) ____ is a common method of reproduction in Hydra.
(a) Budding
(b) Regeneration
(c) Fission
Ans:- a) Budding
(39) ____ is the reproduction method of starfish.
(a) Budding
(b) Regeneration
(c) Fission
Ans:- b) Regeneration
(40) ____ is the reproduction method of paramercium.
(a) Budding
(b) Regeneration
(c) Fission
Ans:- c) Fission
(41) The full term of the development of an embryo in the uterus is called ____.
(a) Gestation
(b) Implantation
(c) Fertilization
Ans:- a) Gestation
(42) The natural way of fixing of the embryo in the wall of the uterus is called ____.
(a) Gestation
(b) Implantation
(c) Fertilization
Ans:- b) Implantation
(43) In humans, gestation lasts for about ____ days.
(a) 290
(b) 280
Ans:- b) 280
(44) Zygote grows into a ____.
(a) Embryo
(b) Foetus
Ans:- a) Embryo
(45) The process of ____ produces the state of pregnancy.
(a) Fertilization
(b) Differentiation
(c) Implantation
Ans:- c) Implantation
(46) The process of ____ gives rise to various tissues, various organs and organ system.
(a) Fertilization
(b) Differentiation
(c) Implantation
Ans:- b) Differentiation
(47) ____ is a mixture of sperms and secretions from seminal vesicles, prostate and Cowper’s glands.
(a) Semen
(b) Urine
Ans:- a) Semen
(48) The secretion of ____ glands serves as a lubricant.
(a) Prostate glands
(b) Cowper’s glands
Ans:- b) Cowper’s glands
(49) ____ gland pours an alkaline secretion into the semen.
(a) Prostate gland
(b) Cowper’s gland
Ans:- a) Prostate gland
(50) ____ is found below the prostate gland.
(a) Cowper’s gland
(b) Urethra
Ans:- a) Cowper’s gland
(51) At the base of the urinary bladder, encircling the urethra is the ____ gland.
(a) Prostate gland
(b) Cowper’s gland
Ans:- a) Prostate gland
(52) Sperms are produced in the ____.
(a) Scrotum
(b) Testes
Ans:- b) Testes
(53) A pair of testes lie outside the abdominal cavity in a sac called the ____.
(a) Epididymis
(b) Scrotum
Ans:- b) Scrotum
(54) ____ is found on the upper side of the testes.
(a) Epididymis
(b) Scrotum
Ans:- a) Epididymis
(55) ____ produce a secretion which serves as a medium for the transaction of the sperms.
(a) Prostate gland
(b) Seminal vesicles
Ans:- b) Seminal vesicles
(56) A pair of narrow, muscular, long ducts extend from each ovary to the upper part of the uterus are called ____.
(a) Oviducts
(b) Sperm ducts
Ans:- a) Oviducts
(57) ____ is found in the pelvic cavity between the urinary bladder and the rectum.
(a) Ovary
(b) Uterus
Ans:- b) Uterus
(58) ____ is situated between the rectum and the urethra.
(a) Vagina
(b) Uterus
Ans:- a) Vagina
Water and Air Pollution
(1) Oxides of Sulphur and nitrogen dissolve in rain water and form acids which causes ____.
(a) Global warming
(b) Acid rain
(c) Deforestation
Ans:- b) Acid rain
(2) ____ is a source of air pollutant.
(a) Polluted pond
(b) Factories
Ans:- b) Factories
(3) ____ damage the ozone layer of the atmosphere.
(a) CFCs
(b) CO2
Ans:- a) CFCs
(4) ____ causes marble cancer of the Taj Mahal.
(a) Acid rain
(b) CFC
Ans:- a) Acid rain
(5) Excess of ____ in the air is one of the gases responsible for Greenhouse Effect.
(a) O2
(b) CO2
Ans:- b) CO2
(6) ____ is a water pollutant.
(a) CO2
(b) Arsenic
Ans:- b) Arsenic
(7) ____ is a greenhouse gas.
(a) Methane
(b) Sulphur dioxide
Ans:- a) Methane
(8) ____ are the major source of gaseous pollutants.
(a) Dung cakes
(b) Petroleum refineries
Ans:- b) Petroleum refineries
- General Science Set 2 MCQ – Click Here
AISSEE Sainik Entrance Exam Class 9 Social Science MCQ:
Topic |
Solution |
(1) Revolt of 1857 | |
(2) Freedom Fighters |
Click Here |
(3) Minerals and Power Resources | |
(4) Indian Constitution and Secularism |
Click Here |
(5) Importance of Parliament | |
(6) Types of Agriculture |
Click Here |
(7) Types of Government and Different tiers of Government |