Please refer to the latest MCQ Questions for Class 3 Science with answers below for all chapters in Class 3 Science. These multiple-choice questions for Class 3 Science cover all chapters given in your NCERT CBSE books. Our Science teachers have prepared these objective-based questions based on the expected MCQ questions which can come in the upcoming class 3 Science examinations. You can click on the subject-wise links given here and access chapter-wise MCQ with answers.

Class 3 Science MCQ Questions and Answers

Students can expect more MCQ-based questions to be asked in your Grade 3 Science class tests and exams. It is important for standard 3th Science students to practice a lot of questions so that they can understand how to solve such types of questions. You can refer to the chapters given below as per your NCERT textbook for class 3 Science and get access to the free database of multiple-choice based questions provided here with solutions.

Question. A note is shown here which Ravi has made about different types of house. Unfortunately when he had finished writing, some ink spilt over the page and covered some of the key words.           
Select the correct sequence of hidden words to complete the note.   (image 3)

A. Caravan, Rajasthan, Tent, Igloos
B. Houseboat, Kerala, Stilt, Igloos
C. Houseboat, Delhi, Kutcha, Igloos
D. Tent, Karnataka, Caravan, Igloos

Question. Select the INCORRECT statement.           
A. Balanced diet keeps us fit and healthy.
B. Over cooking decreases the nutritive value of food.
C. Cheese is an animal product.
D. Fresh food has lesser nutritive value than the preserved food.

Question. Siddhi took some plasticine and shaped it into object X. She reshaped the same piece of plasticine into object Y. We can conclude that both objects have the same _________. 

A. P and Q only
B. P and R only
C. Q and R only
D. P, Q and R

Question. Four of Mr. Sisodia’s pupils made statements each about different parts of plants.

Which of the pupils made an INCORRECT statement
A. Anant and Adya only
B. Adya only
C. Vihaan and Vidushi only
D. Vihaan only

Question. Refer to the given classification chart that segregates animals on the basis of certain characteristic and select the option that correctly identifies animals X, Y and Z.

Question. Study the given food web carefully and select the correct option regarding it.    

A. There are three food chains in this web.
B. There are three herbivores and four carnivores in this web.
C. An increase in population of grasshopper or deer is likely to cause decrease in grass population.
D. All of these

Question.

Question. Given here are the shapes of some constellations. Select the option that correctly identifies the names of these constellations.      

Question. Study the given setups and select the option which shows the correct shadows formed on screen in each setup.

Question. In the given picture, the girl ‘a’ is putting more efforts to pull the sack bag as compared to the girl ‘b’. Girl ‘a’ has to work more against a force which also ______________.(image 13)     

A. Changes the direction of a moving object
B. Causes all objects to fall to the ground
C. Prevents us from slipping when we walk
D. Makes a stationary object to move

Question. Select the INCORRECT statement regarding soil.   
A. Formation of soil is a slow process which may take millions of years.
B. Soil contains water but lacks air.
C. Clayey soil has good water holding capacity whereas sandy soil cannot hold much water.
D. Loam is a mixture of sand and clay and is the best soil for growth of most plants.

Question. Select the correct match from the following.   

Question. Refer to the given figure of human digestive system. In which of the labelled parts no digestion of food takes place.

A. P and S only
B. Q and R only
C. P only
D. S only

Question. Which of the following statements is INCORRECT? 
A. Shadows cannot be formed when an object allows light to pass through it completely.
B. Shadows always form on the opposite side of the light source.
C. A shadow always has a similar shape to the object that forms the shadow.
D. An object may form as many shadows as there are light sources around it.

Question. Select the INCORRECT match from the following.  

Question. Read the following statements.     
1. The Earth is about _________ million km away from the Sun.
2. The Earth completes one rotation on its axis in about _________ hours.
3. The Moon completes one rotation on its axis in about _________days.
4. After New Moon, ________ Moon is the next phase of Moon.
Select the option that correctly fills the blanks in the above statements.
A. 50, 48, 25, Gibbous
B. 150, 24, 27, Crescent
C. 50, 24, 24, Full
D. 150, 48, 24, Crescent

Question. Your baby sister is sleeping in your room. You are reading a book at your study table.         
Your baby sister wakes up and lets out a cry. Which of your senses help you to know that your baby sister is crying ?
A. Sense of touch and sight
B. Sense of smell and touch
C. Sense of hearing and touch
D. Sense of sight and hearing

Question. Study the given relationship and select the option that satisfies the same relationship.           
Nose : : Respiratory system : : Oxygen
A. Kidney : : Nervous system : : Urine
B. Stomach : : Digestive system : : Nutrients
C. Heart : : Circulatory system : : Blood vessel
D. Bone : : Skeletal system : : Muscles

Question. Why is Sun important to the Earth ?   
1. It provides green plants with light energy to make food.
2. It provides heat to enable living things to survive on Earth.
3. It rotates around the Earth to give us seasons.
A. 1 and 2 only
B. 1 and 3 only
C. 2 and 3 only
D. 1, 2 and 3

Question. Arpita weighed potato, tomato, onion and garlic as shown in the diagram.    

Select the option which correctly arranges them in ascending order of mass.
A. P < Q < S < R
B. Q < P < R < S
C. P > Q > R > S
D. P < Q < R < S

Question. Study the given classification chart carefully. Identify P, Q and R and select the INCORRECT option regarding them. (image 24)

A. P comprises of stomach, small intestine and large intestine.
B. Q comprises of heart, blood vessels and blood.
C. R comprises of a pair of kidneys.
D. Q receives nutrients from digestive system and oxygen from respiratory system of our body.

Question. Which of the following is an audio-visual means of communication?    

Question. Which of the following can help to control environmental pollution? 
A. Travelling by public transport like bus, instead of personal transport.
B. Maximising the use of organic manures and fertilisers in the cropfields.
C. Carrying one’s own jute or cotton bag for shopping instead of using polybags.
D. Both A and C

Question. Advika studies in 1st standard and is fond of eating. She looks healthy but falls ill frequently. Which of the following food items she probably does not include in her diet?

Question. Priya is doing morning exercises in the park as shown in the picture. Select the correct option regarding it. 

A. Rabbit is towards the South of Praia.
B. Squirrel is towards the West of Praia.
C. Tortoise is towards the North of Praia.
D. All of these

Question. The given table classifies five organisms on the basis of their food habits. Which of the following food web correctly shows the food relationship among these organisms?

Question. Study the given flow chart and select the INCORRECT option regarding P, Q and R.

A. P has strong and sharp claws called talons which help it to catch and hold prey
B. Q and R have three toes in front and one toe at the back but front toes of Q are joined by skin forming web.
C. P could be eagle, Q could be duck and R could be sparrow.
D. P and R are herbivorous birds whereas Q is a carnivorous bird.

Question. Starting from first letter strike out every alternate letter to get a means of water transport.   
A. XAPEQRUOVPLLNADNGE
B. FSSUCBUMKAGRQINNYEC
C. FSGCJOKOLTMEORP
D. YLAOTRVRWYE

Question. Manya looked at the sky at night and noticed that there was no Moon in the sky. It was her birthday, i.e., 7th February. Her brother, Adhiraj’s birthday falls exactly two weeks after her birthday. Which shape of Moon would she most likely observe on her brother’s birthday?

Question. Some objects are given in the box.

There are __________ luminous and __________ non-luminous objects in the given box.
A. 4, 5
B. 3, 6
C. 5, 4
D. 6, 3

Question. Which of the following is NOT hidden in the given word grid? F .

A. A material formed by twisting of fibres and is used to make fabric.
B. A natural and a synthetic fibre.
C. A temporary house used by campers, nomads and soldiers
D. A temporary house which can move through a lake.

Question. Study the given Venn diagram and select the correct option for P, Q and R.

Question. Unscramble the given letters to get the name of a very weak stemmed plant. 
A. LOGIABVNEUILA
B. UMKPPNI
C. IISCHBUS
D. UACNSGRAE

Question. type of toes

A. Help the bird in perching
B. Help the bird to climb up and hold on to the trees
C. Help the bird to scratch the ground for seeds and worms
D. Help the bird to walk on mud in the shallow water.

Question. The given diagram shows how four magnets can be arranged in such a way that they stick to one another. Which of the following combinations is possible with any two of these magnets?

Question. Study the given relationship and select the option that correctly identifies X.

Question. Study the given flow chart and select the option which correctly identifies any three probable animals among a, b, c, d, e and f. 

A a – Pigeon, b – Human, d – Goldfish
B d – Pigeon, c – Cockroach, e – Human
C b – Bat, e – Ostrich, f – Cockroach
D a – Bat, e – Ostrich, f – Goldfish

Question. Which of the following lists the same type of modes of transport?               
A Bus, Cycle, Scooter, Car, Aeroplane
B Aeroplane, Helicopter, Hot air balloon, Ship
C Ship, Boat, Submarine, Ferry
D Train, Aeroplane, Tram, Ship, Boat

Question. The body parts which are present in pair in our body are                 
A Lung and Heart
B Heart and Finger
C Finger and Gall bladder
D Kidney and Lung.

Question. Which of the following could be most appropriate headings for column A and column B respectively?

A Herbivorous animals and Carnivorous animals
B Domestic animals and Wild animals
C Carnivorous animals and Omnivorous animals
D Terrestrial animals and Aquatic animals

Question. Study the given flow chart. 

Select the INCORRECT statement regarding P-S.
A P could breathe through spiracles whereas Q could breathe through lungs.
B R could be climbing bird whereas S could be perching bird.
C Q could possess webbed feet whereas S could possess talons.
D P could use its beak to sew leaves with material like thread and wool whereas R weaves the grass in and out rapidly.

Question. Which of the following feet could most likely be associated with a bird having strainer type of beak? 

Question. Which of the following could be X, Y and Z?          

Question. Refer to the given diagram and select the correct option regarding X, Y and Z. 

A X could be onion, Y could be turnip and Z could be mustard.
B X could be bean, Y could be balsam and Z could be rice.
C X could be balsam, Y could be onion whereas Z could be bean.
D X could be bean, Y could be mustard and Z could be grass.

Question. Study the given food web carefully. An increase in frog population is likely to cause 

1. Increase in the grasshopper population
2. Decrease in the lizard population
3. Increase in snake population
A 1 only
B 2 only
C 2 and 3 only
D 1 and 3 only

Question. Which of the following is correct regarding the characteristics of oxygen? 

Question. Wool required for making woollen socks, gloves, jackets, etc. is obtained from 

Question. Select the option which consists of land, air and water transport respectively.                 
A Bus, Car, Steamer
B Truck, Aeroplan, Boat
C Helicopter, Jet, Ship
D Scooter, Train, Submarine

Question. Study the given flow chart and select the correct option. (image 13)                 

A P could be almond oil whereas Q could be water vapour.
B Q could be water vapour whereas S could be water.
C R could be wood whereas S could be glass.
D P could be glass whereas Q could be mustard oil.

Question. X can be modified to store food for the plant. It carries food, water and mineral salts to all parts of the plant. It also holds the leaves up so that they can get sunlight for making food. Which of the following could be an example of part X?                 
A Apple
B Turnip
C Sugarcane
D Broccoli

Question. Select the option that correctly satisfies the same relationship based on their feeding habit. (image 15)                 

A Lion : Cow
B Rabbit : Frog
C Cat : Mosquito
D Dog : Buffalo

Question. The states of matter in which water is present at 35°C and -10°C respectively are _______.         
A Solid and liquid
B Liquid and solid
C Gas and solid
D Liquid and gas

Question. X is connected to all the other parts of the body through the Y which contains thin, threadlike tubes that run all around the body called Z. Select the option which correctly  dentifies X, Y and Z.

Question. Which of the following forces is/are able to affect objects from a distance?                  
1. Gravitational pull
2. Magnetic force
3. Frictional force
A 1 only
B 3 only
C 1 and 2 only
D 1, 2, and 3

Question. During the process of evaporation __________ state changes to _________ state.                 
A Gas, liquid
B Liquid, gas
C Solid, liquid
D Gas, solid

Question. Which of the following best shows the revolutions of Earth and Moon around Sun and Earth respectively? 

Question. Which of these houses would you find in flood prone areas? 

Question. A child was playing outside his house. He could tell that there was an apple pie in the kitchen. Which sense did the child use to know that an apple pie was being made?     
A Sense of taste
B Sense of hearing
C Sense of touch
D Sense of smell

Question. During a thunderstorm, we see lighting before we hear thunder because ________.                 
A Light travels in a straight path while sound does not
B Light travels faster than sound
C Light gets reflected back from clouds while sound does not
D Light travels through vacuum while sound cannot

Question. Read the given statement and select the correct option regarding X and Y.                 
X has fixed volume, no definite shape and does not cast a shadow whereas Y has fixed volume, definite shape and casts a shadow.
A X could be milk whereas Y could be glass.
B X could be water whereas Y could be wood.
C X could be mustard oil whereas Y could be iron sheet.
D X could be wood whereas Y could be water.

Question. Select the option that correctly fills the boxes X, Y, Z in the given flow chart.        

A X – Animal driven land transport, Y – Bullock cart, Z – Tonga
B X – Air transport, Y – Helicopter, Z – Aeroplane
C X – Water transport, Y – Ferry, Z – Ship
D X – Land transport, Y – Bus, Z – Car

Question. Which of the following is correct regarding fourth level in a food chain?                 
1. Can be a tree
2. Can never be a tree
3. Can be a herbivorous animal
4. Can never be a herbivorous animal
5. Can be a carnivorous animal
A 1, 3 and 5 only
B 2, 4 and 5 only
C 1, 4 and 5 only
D 2, 3 and 5 only

Question. Select the INCORRECT statement regarding air.                 
A Air is a mixture of many gases like nitrogen (78%) , oxygen (21%) and others including carbon dioxide (1%) .
B Carbon dioxide is the gas that we breathe in.
C The oxygen in the air is required for burning things.
D When a balloon is overfilled with air, the air pressure inside becomes greater than the
air pressure outside and it bursts.

Question. Rita had to make four pairs each having one solid, one liquid and one gas respectively, but she made a mistake while making one of the pairs. Select the INCORRECT pair.                 
A Tomato, Milk, Oxygen
B Gold, Syrup, Kerosene
C Tomato, Juice, Nitrogen
D Silver, Honey, Milk

Question. Which of the following statements are correct?                 
(i) Safety means being careful and avoiding accidents only while walking on the road.
(ii) There are rules and signs for safety of people on the ship.
(iii) We must use footpath for walking and cyclists must keep to their left.
(iv) We must cross the road as we like anywhere and everywhere.
A (i), (ii), and (iii)
B (ii) and (iii)
C (iii) and (iv)
D (i) and (iii)

Question. Manish is trying to dissolve some material in the water but it is not getting dissolved. What it could be?                 
A Sugar cube
B Chalk powder
C Glucose powder
D Rock salt

Question. ‘R’ is the fifth planet from the Sun. Which of the following is correct regarding R?                 
A It is known as red planet.
B It has lowest number of Moons.
C It is the largest planet .
D It has a ring around itself.

Question. In the given cycle, fill in the missing phases of Moon. 

Question. The girl in the given picture is using trolley to overcome _________. 

A The force of attraction between the Earth and the girl
B The force of attraction between the Earth and the trolley
C The force of friction between the trolley and the ground
D The force of friction between the girl and the ground

Question. Read the given conversation.

Which of the following statements is correct regarding X, Y and Z?
A X could be ruby and Z could be tungsten.
B Y could be granite and Z could be quartz.
C X could be diamond and Y could be silica.
D Y could be graphite and Z could be tungsten.