Here I'm Providing You Class 9 Science Term 2 (2021-22) Exam MCQs | Top 100 Mcq Questions | Class 9 Science Term 2 Sample Paper
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The slope of a velocity-time graph gives
a) the acceleration b) the speed
c) the distance d) the displacement
Ans a
Find the correct statement:
A. The SI unit of retardation is -ms-2
B. The motion of the athletes is uniform
C. Displacement is a scalar quantity
D. Velocity has magnitude only
Ans b
The total distance covered by a body per unit time is called
A) Speed
B) Acceleration
C) Average speed
D) None of the above
Ans c
Velocity is a ............ quantity; whereas speed
is a............. quantity.
A) Vector and scaler
B) Scaler and vector
C) Only vector
D) Only scaler
Ans a
A gun recoiled to ___________ the momentum.
A) decrease B) conserve
C) increase D) change
Ans b
What does the slope of the position-time graph indicate?
a) Speed b) Speed or velocity
c) Acceleration d) Velocity
Ans d
Negative acceleration is known as _______
A) Acceleration
B) Retardation
C) Both a) and b)
D) None of them
Ans b
Who gave the equations of motion for the first time?
(a) Rutherford
(b) Issac Newton
(c) C. V. Raman
(d) Einstein
Ans b
The displacement of the object in a unit time is called:
(a) Speed
(b) velocity
(c) acceleration
(d) average speed
Ans b
A particle is moving in a circular path of radius r. The displacement after half a circle would be:
(a) zero
(b) πr
(c) 2r
(d) 2πr
Answer: (c) 2r
Velocity is a ............ quantity; whereas speed
is a............. quantity.
A) Vector and scaler
B) Scaler and vector
C) Only vector
D) Only scaler
Ans a
Name the scientist who gave the laws of motion.
(A) Sir Issac Newton
(B) Elbert Einstein
(C) Alexander Fleming
(D) None of them
Ans a
When we talk of force acting on a body, it usually means:
(A) Electrical force
(B) Balanced force
(C) Unbalanced force
(D) Nuclear force
Ans c
Impulse has the S.I. unit of ______
a) newton b) N-s
c) joule d) m/s²
Ans b
Impulse is the other name of
a) momentum b) change in momentum
c) inertia d) force
Ans b
Inertia depends upon -
(A) acceleration of the body
(B) velocity of the body
(C) shape of the body
(D) mass of the body
Ans d
Which of the following has largest inertia?
(A) A pin
(B) An ink pot
(C) Your physics book
(D) Your body
Ans d
Newton's first law gives the ________ definition of force.
a) quality b) quantitative
c) qualitative d) None of these
Ans c
The unit of momentum can be expressed as
a) Newton
b) N - s
c) kg m
/s
d) kg m/s²
ans d
A jet engine works on the principle of Newton's:
a) second law of motion b) first law of motion
c) none of these d) third law of motion
Ans d
Rocket works on the principle of conservation of
a) mass b) velocity
c) energy d) momentum
Ans d
Action reaction forces act:
a) on the same body b) on different bodies
c) in the same direction d) along different bodies
Ans b
What is the value of gravitational constant G
A) 6.67 * 10-¹¹ N m²/Kg
B) 6.67 * 10¹¹ N m²/Kg
C) 9.8 m/s²
D) None of them
Ans a
Who gave the concept of gravitational force
A) Albert Einstein
B) Sir Isaac Newton
C) Henry keyendies
D) Gellileo
Ans b
What is the SI unit of gravitational constant
A) Pascal
B) N m²/kg²
C) Newton
D) M/s²
Ans b
Newton's law of gravitation is applicable to
(a) objects in solar system
(b) planets and stars only
(c) objects on earth only
(d) all bodies in the univers
Ans d
The law of gravitation gives the gravitational force between:
A) The earth and a point mass only
B) The earth and the sun only
C) Any two bodies having some mass
D) Any two charged bodies only
Ans c
Water stored in a dam possess ?
a) No energy
b) electrical energy
c) kinetic energy
d) potential energy
Ans c
The potential energy of a body depends on it's?
a) Position
b) configuration
c) position and configuration
d) mass and velocity
Ans c
The ........ is defined as the ability to do the work
A) Work
B) Energy
C) Power
D) None of them
Ans b
In hydro electricity generation, water stored in a dam possesses:
A) electrical energy
B) chemical energy
C) thermal energy
D) potential energy
Ans d
..........Is the form of energy that produces sensation of hearing in our ears.
A) Wave
B) Sound
C) Frequency
D) None of them
Ans b
What is the velocity of sound in water at
room temperature–
(A) 1500 m/s (B) 330 m/s
(C) 1500 km/s (D) 330 km/s
Ans a..
What is the velocity of sound in vacuum is
A) 332 m/s
B) 330 m/s
C) 288 m/s
D) 0
Ans d
The frequency which is not audible to the human ear is:
(a) 30 Hz
(b) 300 Hz
(c) 3000 Hz
(d) 30000 Hz
Ans d
The pitch of sound depends on
A) frequency
B) amplitude
C) both of these
D) none of these
Correct Answer: A
Chemistry
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Which of the following are physical changes?
i. Melting of iron metal
ii. Rusting of iron
iii. Bending of an iron rod
iv. Drawing a wire of iron metal
a) (i), (ii) and (iii) b) (ii), (iii) and (iv)
c) (i), (ii) and (iv) d) (i), (iii) and (iv)
Ans d
Which of the following represents sublimation?
(A) Solid to Gas
(B) Solid to liquid
(C) Liquid to gas
(D) Solid to liquid and gas
Ans a
The mass per unit volume of a substance is:
(a) acceleration
(b) density
(c) velocity
(d) weight
Answer: (b) density
What is dry ice?
(a) Solid carbon dioxide
(b) Nitrogen oxide
(c) Carbon mono oxide
(d) None of them
Answer: (a) Solid carbon dioxide
During summer, water kept in an earthen pot becomes cool because of the phenomenon
of:
(a) diffusion
(b) transpiration
(c) osmosis
(d) evaporation
Answer: (d) evaporation
The conversion of a solid into vapours without passing through the
liquid state is called:
A. vaporization
B. fusion
C. sublimation
D. freezing
Ans c
The best evidence for the existence and movement of particles in
liquids was provided by:
A. John Dalton
B. Ernest Rutherford
C. J.J. Thomson
D. Robert Brown
Ans d
The particles of the colloidal solution are:
a) visible with a powerful microscope b) not visible with a powerful
microscope
c) visible with the naked eye d) visible with a simple microscope
Ans a
The components of compound can be separated by using
a) chemical method b) physical method
c) none of these d) cannot be separated by using any method
Ans a
Which of the following are homogeneous in nature
i. ice
ii. wood
iii. soil
iv. air
a) (iii) and (iv) b) (i) and (iii)
c) (i) and (iv) d) (ii) and (iv)
Ans b
Tyndall effect is observed in which one of the following?
a) True solution b) Starch + Water
c) Alum + Water d) NaCl + Water
Ans b
The word 'mole' was introduced around 1896 by
A) Wilhelm ostwald
B) Earnist Rutherford
C) John Dalton
D) J.J Thomson
Ans a
Which one of the following is not a metalloid?
A. boron
B. silicon
C. gallium
D. germanium
Ans c
The elements which normally exist in the liquid state are:
A. bromine and iodine
B. mercury and chlorine
C. iodine and mercury
D. bromine and mercury
Ans d
On the basis of composition of matter, milk is considered to be:
A. a pure substance
B. an impure substance
C. An element
D. a compound
Ans b
Identify a method used to separate a mixture of water and groundnut oil.
a) None of these b) Crystallisation
c) Chromatography d) Separating funnel
Ans d
Brass is a mixture of:
a) 30% zinc and 40% copper b) 30% zinc and 70% copper
c) 60% zinc and 70% copper d) 70% zinc and 50% coppe
Ans b
One of the following substances is neither a good conductor of electricity nor
an insulator. This substance is:
A. chromium
B. gernmanium
C. gallium
D. potassium
Ans b
Which of the following is not a mixture?
A. kerosene
B. air
C. alcohol
D. petrol
Ans c
The atomic theory of matter was proposed by:
A. John Kennedy
B. Lavoisier
C. Proust
D. John Dalton
Ans d
Rutherford’s alpha-particle scattering experiment was responsible for the discovery of
(a) Atomic Nucleus (b) Electron
(c) Proton (d) Neutron
Ans c
The colour of hydrated copper sulphate is :
a) Blue b) Colourless
c) Brown d) Yellow
Ans
The English name of an element is potassium, its Latin name will be:
A. plumbum
B. cuprum
C. kalium
D. natrium
Ans c..
The law of conservation of mass was given by:
A. Dalton
B. Proust
C. Lavoisier
D. Berzelius
Ans c
The law of constant proportions was given by:
A. Proust
B. Lavoisier
C. Dalton
D. Berzelius
Ans a..
......,.....has a mass nearly equal to that of proton
a) electron
b) neutron
c) both electron and neutron
d) None of them
Ans b
A balanced equation is a direct consequence of
(a) Law of Multiple Proportion (b) Law of Conservation of Mass
(c) Law of Definite proportion (d) none of these
Ans b
A symbol of an element does not convey information about
(a) atomic number (b) atomic weight
(c) mass number (d) all three options (a, b and (c)
Ans d
What do mosquitoes mostly use the for senses?
a. Antennae
b. Eggs
c. Nose
d. Mouth
Ans c
Who discovered electrons ?
A) J.J. Thomson
B) Neils Bohr
C) James Chadwick
D) E. Goldstein
Ans a
Who discovered neutron ?
A) J.J. Thomson
B) Neils Bohr
C) James Chadwick
D) E. Goldstein
Ans c
Who observed first time proton ?
A) J.J. Thomson
B) Neils Bohr
C) James Chadwick
D) E. Goldstein
Ans e
Part 2
What is the constitution of nitrogen in our atmosphere?
(a) 28
(b) 78
(c) 55
(d) 92
Answer: (b) 78
Which of the following bacteria is responsible for nitrogen fixation?
(a) Pseudomonas
(b) Nitrosomonas
(c) Rhizobium
(d) None of these
Answer: (c) Rhizobium
Which step is not involved in the carbon cycle?
(a) Photosynthesis
(b) Transpiration
(c) Respiration
(d) Burning of fossil fuels
Answer: (b) Transpiration
Oxygen is found in the elemental form in the atmosphere to the extent of:
(a) 78%
(b) 38%
(c) 21%
(d) 95%
Answer: (c) 21%
Who coined the term ‘Parmanu’ for the smallest indivisible particles?
(a) Leucippus
(b) L. Lavoisier
(c) Kanad
(d) None of them
Answer: (c) Kanad
The most remarkable concept that Dalton’s atomic theory proposed was that of the:
(a) atomic weight
(b) atomic mass
(c) molar mass
(d) none of them
Answer: (b) atomic mass
The chemical symbol for sodium is:
(a) So
(b) Sd
(c) NA
(d) Na
Ans d
Who is known as the ‘Father of nuclear Physics’?
(a) J. J. Thomson
(b) E. Rutherford
(c) Neils Bohr
(d) J. Chadwick
Answer: (b) E. Rutherford
Who used the term ‘ATOM’ for the first time?
(a) Rutherford
(b) John Dalton
(c) Chadwick
(d) Bohr
Answer: (b) John Dalton
Who gave the first model of the atom?
(a) J.J. Thomson
(b) Chadwick
(c) Goldstein
(d) Neils Bohr
Answer: (a) J.J. Thomson
Biology
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Chromosomes are made up of:
a) Protein b) RNA
c) DNA d) DNA and protein
Ans d
Which of the following human cells lack nuecleus?
(a) WBC (b) RBC
(c) Muscle cell (d) Nerve cell
Ans
Robert Hooke is a well-known scientist as he discovered _______.
(a) Lysosome
(b) Vacuole
(c) Cell
(d) Nucleus
Ans c
Cells are of different shapes and sizes. Some cells
are irregular in shape such as
(a) Amoeba
(b) Red blood cell
(c) Leucocyte
(d) Both (a) and (c)
Ans d
Power house of cell is -
(A) Lysosome
(B) Ribosome
(C) Mitochondria
(D) Vacuole
Ans c
Which one of the following cell organelles is
known as suicidal bag?
(a) Ribosome
(b) Lysosome
(c) Golgi apparatus
(d) Mitochondria
Ans b
Which one of the following organelles is not present in animal cells?
(a) Nucleus
(b) Mitochondria
(c) Plastids
(d) Centrioles
Ans c
Which one of the following organelles is not present in animal cells?
(a) Nucleus
(b) Mitochondria
(c) Plastids
(d) Centrioles
Ans c
Which one of the following organelles is not
present in plant cells?
(a) Nucleus
(b) Mitochondria
(c) Plastids
(d) Centrioles
Ans d
Which of the following is/are connective tissues?
(a) Bone (b) Cartilage
(c) Blood (d) All of the above
Ans d
Which of the following tissues supports, defends, and transports food in the body?
(a) Epithelial (b) Connective
(c) Nervous (d) Muscular
Ans b
Which of the following tissues is responsible for receiving, interpreting and producing response to stimulus?
(a) Muscle tissue (b) Connective tissue
(c) Nervous tissue (d) Epithelial tissue
Ans c
Which of the following tissues is made up of more than one type of cell?
(a) Parenchyma (b) Sclerenchyma
(c) Complex tissue (d) Collenchyma
Ans c
Parenchyma which contains chlorophyll and helps in photosynthesis is called ________.
a) Collenchyma b) Aerenchyma
c) Sclerenchyma d) Chlorenchyma
Ans d
Amoeba acquires its food through:
a) Exocytosis & Endocytosis b) Exocytosis
c) Plasmolysis d) Endocytosis
Ans d
Ligaments and Tendons are formed of
a) Epithelial tissue b) Cartilage
c) Muscular tissue d) Connective tissue
Ans d
Which connective tissue supports and provides flexibility to the body parts?
a) Tendon b) Bone
c) Cartilage d) Ligament
Ans c
The dead element present in the phloem is
a) phloem parenchyma b) phloem fibres
c) sieve tubes d) companion cells
Ans b
Nerve cell does not contain
a) axon b) nerve endings
c) dendrites d) tendons
Ans d
Which of the following tissues has dead cells?
a) Collenchyma b) Epithelial tissue
c) Parenchyma d) Sclerenchyma
Ans d
Organelle other then nucleus containing DNA is
A) Endoplasmic reticulum
B) Mitochondrial
C) Golgi apparatus
D) Lysosomes
Ans b
Chromoplasts that contain ...,.... Are called chloroplast
A) Green colour pigment
B) Yellow colour pigment
C) Starch
D) None of them
Ans a
Organelle other than nucleus, containing DNA is:
a) mitochondria b) Golgi apparatus
c) lysosomes d) endoplasmic reticulum
And a
Who discovered a vaccine for the first time ?
A) Edward Jenner
B) Albert Einstein
C) Alexander Fleming
D) None of these
Ans a
The first vaccine discovered was
A) BCG vaccine
B) Tetanus vaccine
C) chicken pox vaccine
D) Small pox vaccine
Ans d
Which one of the following includes only Micronutrients:
(a) Iron, Copper, manganese (b) Iron, Zinc, calcium
(c) Boron, copper and potassium (d) Molybdenum, Copper, Sulphur
Ans b
The lowest category of classification is:
(a) phylum (b) genus
(c) species (d) family
Ans c
The biological science which deals with the identification, naming and classification of organism is called
A)Taxonomy
B) Biology
C) Orthology
D) None of them
Ans a.
.......... is the basic unit of taxonomy.
(A) Genus
(B) Species
(C) Kingdom
(D) Subspecies
Ans b
Who has proposed two kingdom classification ?
(A) R. Whittaker (B) Carolous Linnaeus (C) Schimper (D) Eichler.
Ans b
What is the scientific name of Lion 🦁 ?
A) Pinthra Tigress
B) Panther Leo
C) Canis Lupus
D) None of them
Ans b
What is the scientific name of Tiger 🐯 ?
A) Pinthra Tigress
B) Panther Leo
C) Canis Lupus
D) None of them
Ans a
Who is known as the father of Taxonomy?
(a) Eichler (b) Carolous Linnaeus
(c) Charles Darwin (d) Ernst Mayar
Ans b
Who gave the five kingdom of classification?
(a) Walter G. Rosen (b) Linnaeus
(c) Charles Darwin (d) whittaker
Ans d
Which of the following is renewable natural resource?
(a) Sunlight (b) Coal
(c) Soil (d) Petroleum
Ans a
Which of the following natural disasters affect habitat in the environment?
(a) Droughts
(b) Floods
(c) The thinning of the ozone layer
(d) All of these
Ans d
Which of the following is/are caused due to deforestation?
(a) Soil erosion
(b) Depletion of water in the catchment areas
(c) Global warming
(d) All of these
Ans d
Which of the following gases cause acid rain?
(a) Carbon monoxide and carbon dioxide.
(b) Sulphur dioxide and oxides of nitrogen.
(c) Oxides of nitrogen and carbon dioxide.
(d) None of these.
Ans b
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