CBSE Class 6 Science Multiple Choice Questions (MCQs) & Answers

CBSE Class 6 Science Multiple Choice Questions(MCQs) & Answers CBSE Class 6 Science QUESTIONS

CBSE Class 6 Science Multiple Choice Questions(MCQs)& Answers

1 Which one of the following is a carnivore animal?
A Sparrow
B Owl
C Parrot
D Cow

Answer: Parrot
2 Which of the following is NOT an ingredient for preparing Dal?
A Pulses
B Kerosene
C Oil or Ghee
D Salt

Answer: Kerosene
3 What are the ingredients of preparing Chapati?
A Atta (Wheat Flour) only
B Water only
C Both Atta and water
D None of these

Answer: Both Atta and water
4 Humans are:
A Carnivores
B Herbivores
C Omnivores
D None of these

Answer: Omnivores
5 The part of a banana plant not used as food is
A root
B stem
C flower
D fruit

Answer: root
6 Animals which eat both animals flesh as well as plants are called __________. • (a) (b) (c) (d)
A Carnivores
B Herbivores
C Omnivores
D None of these

Answer: Omnivores
7 Which of the following gives eggs?
A Duck
B Donkey
C Cow
D Goat

Answer: Duck
8 Which of the following is a protective food?
A milk
B oils & fats
C fruits
D cereals

Answer: fruits
9 Which of the following method used to separate two miscible liquids?
A Separating funnel
B Sieving
C Winnowing
D Sublimation

Answer: Separating funnel
10 Hand picking method is effective in
A gaseous mixture
B solid mixture
C liquid mixture
D none of these

Answer: solid mixture
11 Which of the following is essential to perform winnowing activity?
A soil
B water
C wind
D none of these

Answer: wind
12 The process of settling down of particles of a solid in a liquid is known as
A sublimation
B sedimentation
C decantation
D precipitation

Answer: sedimentation
13 Which one of the following will float on water?
A Iron nails
B Dry leaves
C Stone
D Steel

Answer: Dry leaves
14 Find the odd one?
A Jasmine
B Rose
C Potato
D Lily

Answer: Potato
15 A liquid which contains the dissolved material is known as _______.
A solvent
B solution
C solute
D none of these

Answer: solvent
16 Butter paper is
A transparent
B oily
C opaque
D translucent

Answer: translucent
17 material which does not dissolve completely into water is called _______.
A soluble
B insoluble
C opaque
D translucent

Answer: insoluble
18 As you cannot see through objects made from materials, such materials are called _________.
A transparent
B opaque
C translucent
D none of these

Answer: opaque
19 Which one of the following is insoluble in water?
A oxygen
B sugar
C salt
D sawdust

Answer: sawdust
20 Materials that are difficult to compress are called _______
A hard materials
B soft materials
C sponge materials
D none of these

Answer: hard materials
21 Which of the following is lustrous material?
A wood
B plastic
C copper
D chalk

Answer: copper
22 Which one of the following is not an un-stitched piece of fabric?
A Saree
B Dhoti
C Lungi
D Trousers

Answer: Trousers
23 Woody perennial, single main stem called trunk, which gives out number of branches. These plants are _________.
A Herbs
B Shrubs
C Trees
D none of these

Answer: Trees
24 Woody perennials, attain height between 3m to 5m, bushy appearance, profoused branched stems from the ground. These plants are ______.
A Herbs
B Shrubs
C Trees
D none of these

Answer: Shrubs
25 Small plants, soft peroshable stems, attain height upto five feet, generally annuals and biennials. These plants are ________.
A Herbs
B Shrubs
C Trees
D none of these

Answer: Herbs
26 Salt is separated from seawater by
A evaporation
B condensation
C decantation
D filtration

Answer: evaporation
27 Spoilage of food is ___________
A reversible change
B fast change
C undesirable change
D periodic change

Answer: undesirable change
28 Which of the following change is non-periodic?
A heartbeat
B earthquake
C an occurrence of day and night
D oscillation of pendulum

Answer: earthquake
29 Iron rim is made slightly smaller than the wooden wheel. The rim is usually heated before fixing into the wooden wheel because on heating the iron rim
A expands and fits onto the wooden wheel
B contracts and fits onto the wooden wheel
C no change in the size takes place
D expands first, then on cooling contracts and fits onto the wooden wheel

Answer: expands first, then on cooling contracts and fits onto the wooden wheel
30 Rolling of chapatti and baking of chapatti are the changes that
A can be reversed
B cannot be reversed
C can be reversed and cannot be reversed, respectively
D cannot be reversed and can be reversed, respectively

Answer: can be reversed and cannot be reversed, respectively
31 Salt can be separated from its solution (salt dissolved in water) because
A mixing of salt in water is a change that can be reversed by heating and melting of salt
B mixing of salt in water is a change that cannot be reversed
C mixing of salt in water is a permanent change
D mixing of salt in water is a change that can be reversed by evaporation

Answer: mixing of salt in water is a change that can be reversed by evaporation
32 The process of separating fibres from the seeds by combing is known as __________.
A ginning
B knitting
C spinning
D weaving

Answer: ginning
33 The shape of a shadow depends on which of the following.
A shape of the opaque object
B colour of screen
C colour of the object
D all of these

Answer: shape of the opaque object
34 A _______ eclipse occurs when earth comes between sun and moon in a straight line.
A solar
B lunar
C shadow
D none of these

Answer: lunar
35 If we are able to see anything clearly through an object, then such an object is said to be a _______ object.
A transparent
B opaque
C translucent
D none of these

Answer: transparent
36 Which one of the following is not a luminous object?
A moon
B star
C lit candle
D sun

Answer: moon
37 Objects that emit light on their own are called ___________
A Ligth Objects
B Luminous bodies
C Non-Luminous bodies
D Opaque bodies

Answer: Luminous bodies
38 Motion of wheel of a car is an example of _________
A translatory motion
B rectilinear motion
C curvilinear motion
D circular motion

Answer: circular motion
39 Which of the following nutrients is not present in milk?
A Protein
B Vitamin C
C Calcium
D Vitamin D

Answer: Vitamin C
40 The animals which eat only plants are called
A Herbivores
B Insectivores
C Carnivores
D Omnivores

Answer: Herbivores
41 Which of the following is not a milk product?
A cheese
B butter
C honey
D yogurt

Answer: honey
42 Materials required to prepare a food item are called
A Nutrients
B Ingredients
C Nourishments
D Minerals

Answer: Ingredients
43 Goitre: swelling of thyroid glands occurs due to the deficiency of _________.
A iron
B pottasium
C phosphorus
D iodine

Answer: iodine
44 Which of the following is considered as ‘body building foods’?
A Proteins
B Vitamins
C Fats
D Carbohydrates

Answer: Proteins
45 Which of these fibres is non-biodegradable?
A Cotton
B Jute
C Wool
D Nylon

Answer: Nylon
46 The thinner strands of thread are called as _________
A Fibres
B Fabric
C yarns
D cotton bolls

Answer: Fibres
47 Clothes dry faster when there is ______ water vapour in air.
A less
B more
C either less or more
D none of these

Answer: less
48 Which gas present in atmosphere allows substances to burn?
A Nitrogen
B Carbon Dioxide
C Oxygen
D Ozone

Answer: Oxygen
49 A gas is colourless, odourless, heavier than air and extinguishes fire. Name the gas?
A Nitrogen
B Carbon Dioxide
C Hydrogen
D Oxygen

Answer: Carbon Dioxide
50 Which gas is produced by plants during photosynthesis?
A Nitrogen
B Carbon Dioxide
C Hydrogen
D Oxygen

Answer: Oxygen
51 Which one of the following statement is TRUE?
A Air is opaque.
B Air is made of one substance only.
C Air contains water vapour.
D Air contains large amount of inert gases.

Answer: Air contains water vapour.
52 Identify the gas “Odourless, Colourless, Heavier than air, supports combustion”
A Nitrogen
B Oxygen
C Carbon Dioxide
D Water vapours

Answer: Oxygen
53 Which one of the following has the major part in air?
A Nitrogen
B Oxygen
C Carbon Dioxide
D Helium

Answer: Nitrogen
54 The blanket of gases that surrounds the earth is called __________.
A air
B atmosphere
C lithosphere
D biospehere

Answer: atmosphere
55 Which of the following is the purest form of water?
A rainwater
B sea water
C lake water
D river water

Answer: lake water
56 The water fit for drinking is called _______.
A river water
B groundwater
C rainwater
D potable water

Answer: river water
57 Water freezes at ____ to a solid-state called snow or ice.
A 0°C
B 10°C
C 25°C
D 100°C

Answer: 25°C
58 The circulation of water between ocean and land is known as the _______.
A oxygen cycle
B water cycle
C nitrogen cycle
D none of these

Answer: oxygen cycle
59 When ice water is poured into a glass, tiny water droplets of water appear on the outside of glass due to _________.
A condensation
B evaporation
C sublimation
D transpiration

Answer: condensation
60 Which of the following will lead to a reduction in the availability of groundwater?
A plantation
B rainwater harvesting
C constructing more lakes
D building concrete roads

Answer: building concrete roads
61 The process of falling down of water in the form of rain, snow or hail is called _________.
A precipitation
B sublimation
C evaporation
D condensation

Answer: precipitation
62 The process of changing water into ice is called __________.
A sublimation
B evaporation
C freezing
D precipitation

Answer: freezing
63 Which of the following is a natural magnet?
A Iron
B Magnetite
C Nickel
D Cobalt

Answer: Magnetite
64 Which of the following action will NOT make a magnet loose its magnetic properties?
A Drop a magnet from height
B Hammer a magnet
C Pass Electric current from a current
D Heat a magnet

Answer: Pass Electric current from a current
65 Part of the plant which conducts water to all parts of the plant is called as ___________.
A Leaf
B Root
C Flower
D Stem

Answer: Stem
66 The part of a leaf by which it is attached to the stem is called _________.
A Petiole
B Lamina
C Midrib
D Node

Answer: Petiole
67 Part of a plant which is the main site for photosynthesis is _______.
A Flower
B Leaf
C Stem
D Root

Answer: Leaf
68 Which one of the following is not the function of leaf normally?
A Photosynthesis
B Transpiration
C Respiration
D Transportation

Answer: Transportation
69 Which of the following is an example of hinge joint?
A Ankle
B Sternum
C Shoulder Joint
D Atlas

Answer: Ankle
70 Which bone protects the lower abdominal organs such as the urinary bladder, rectum and uterus?
A Sternum
B Pelvic bone
C Spine
D Skull

Answer: Pelvic bone
71 A muscle can _______
A pull only
B push only
C pull and push
D none of these

Answer: pull only
72 Snail moves with the help of its
A shell
B bone
C muscular foot
D whole body

Answer: shell
73 The undulatory locomotion is found in
A birds
B fish
C earthworms
D snakes

Answer: snakes
74 The surroundings where organisms live is called a _______.
A habitat
B habit
C dwellings
D adaptation

Answer: habitat
75 In Cactus plants, the leafy kike structure in actual is a ______.
A leaf
B root
C flower
D stem

Answer: stem
76 Which one of the following statement is false?
A Rubber is a bad conductor of electricity.
B In general metals are good conductor of electricity.
C Our body is a bad conductor of electricity.
D The bulb glows only when current flows through the circuit.

Answer: Our body is a bad conductor of electricity.
77 ___________ are materials that do not allow electric current to pass through them.
A Insulators
B Conductors
C Switch
D Battery

Answer: Insulators
78 Materials which allow current to pass through them easily are called?
A Insulators
B Conductors
C Switch
D Battery

Answer: Conductors
79 Electric Cell (Battery) as shown in the figure, pointer ‘B’ indicates ______________.
A Filament
B Holder
C Positive Terminal
D Negative Terminal

Answer: Negative Terminal
80 Electric Cell (Battery) as shown in the figure, pointer ‘A’ indicates ______________.
A Filament
B Holder
C Positive Terminal
D Negative Terminal

Answer: Positive Terminal
81 The light from the sun reaches the earth in
A 8.33 minutes
B 8.33 seconds
C 18. 33 minutes
D 88.33 seconds

Answer: 8.33 minutes
82 A ________ is an instrument used for observing objects from a hidden position.
A telescope
B microscope
C periscope
D kaleidoscope

Answer: periscope
83 Which one of the following is a living luminous object?
A Sun
B Moon
C Fire Fly
D Burning Candle

Answer: Fire Fly
84 Sea animals like dolphins and whales breathe through ______.
A nose
B gills
C blow holes
D fins

Answer: blow holes
85 Breathing activity is a part of which of the following bio-chemical process?
A photosynthesis
B respiration
C digestion
D excretion

Answer: respiration
86 The presence of specific features and habits, which enable a plant or an animal to live in a particular habitat, is called __________.
A adaptation
B adoption
C acclimatization
D habitat

Answer: adaptation
87 Which of the following is a/an abiotic component?
A dog
B trees
C rocks
D bacteria

Answer: rocks
88 The habitats of the plants and animals that live on land are called ________ habitat.
A terrestrial
B marine
C aquatic
D mountain

Answer: terrestrial
89 Name the scientist who suggested MKS (metre, kilogram, second) system which later became SI (International System of Units)?
A Isaac Newton
B Giovanni Giorgi
C Napoleaon Bonaparte
D Galileo Galilei

Answer: Giovanni Giorgi
90 The number of bones present in an adult human is:
A 106
B 206
C 306
D 400

Answer: 206
91 Which of the following joints is immovable?
A Shoulder and arm
B Knee and joint
C Upper jaw and skull
D Lower jaw and upper jaw

Answer: Upper jaw and skull
92 Vertebral column of man has _____ vertebrae (bones).
A 28
B 30
C 33
D 42

Answer: 33
93 In the sea, plants and animals are surrounded by _________ water.
A fresh
B saline
C acidic
D marshy

Answer: saline
94 Living organisms throw body wastes from its bodies by a process called ________.
A respiration
B excretion
C digestion
D reproduction

Answer: excretion
95 Which one of the following in NOT a predator?
A Lion
B Antelope
C Eagle
D Bear

Answer: Antelope
96 Standard (SI) unit of length is _____
A metre
B centimetre
C inches
D kilometre

Answer: metre
97 An iron ring is heated. Which of the following statement about it is incorrect?
A The ring expands
B The ring almost comes to the same size on cooling
C The change, in this case, is reversed
D The ring changes its shape and the change cannot be reversed

Answer: The ring changes its shape and the change cannot be reversed
98 Which of the following changes cannot be reversed?
A Hardening of cement
B Freezing of ice cream
C Opening a door
D Melting of chocolate

Answer: Hardening of cement
99 Pick the change that can be reversed from the following.
A Cutting of trees
B Melting of ghee
C Burning of candle
D Blooming of flower

Answer: Melting of ghee
100 Which of the following can be considered as fast change?
A Growth of child
B Germination of seed
C Bursting of crackers
D Cooking of food

Answer: Bursting of crackers

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