Achievers section provides the sample paper 2023-24 for the National Science Olympiad (NSO) for class 3. it can be useful for students because it builds general awareness and encourages learning beyond the regular school syllabus.
Practicing with Previous Year Papers help you gain confidence.
Question Paper 2023
LOGICAL REASONING
1. In how many different ways, can the camel reach the pond?
A. 5
B. 7
C. 4
D. 6
View Answer
D
2. There is a certain relationship between pair of figures on the either side of ::. Identify the relationship between the left pair and find the missing figure.
View Answer
C
3. How many groups of 4 ducks can be formed from the given ducks?
A. 3
B. 4
C. 5
D. 6
View Answer
D
4. Find the missing number in the given number pattern.
A. 320
B. 360
C. 380
D. 300
View Answer
D
5. Arrange the alphabet given below to form a meaningful English word and identify the category of that word. ESHRO
A. Flower
B. Animal
C. Fruit
D. Name of a month
View Answer
B
SCIENCE
6. Look at the given picture and identify plant part P. How is plant part P useful to a plant?
(a) It holds the plant firmly to the soil.
(b) It stores the food made by the leaves
(c) It absorbs water and mineral salts from the soil.
(d) It transports water and mineral salts to all parts of the plant
A. (a) and (b) only
B. (a) and (c) only
C. (d) only
D. (a), (b) and (c) only
View Answer
D
7.Refer to the given flowchart.
Which of the following options represents the transported substances W,X,Y and Z correctly? (The arrows show the direction of movement of substances W,X,Y and Z).
W X Y Z
A. Water Water Food Food
B. Food Water Food Water
C. Water Food Water Food
D. Food Food Water Water
View Answer
A
8. Which of the following is NOT a characteristic of the bird whose foot is shown in the given picture?
A. It is a flesh-eating bird
B. It is also known as the bird of prey.
C. It lays the largest egg in the world.
D. It has a hooked beak.
View Answer
C
9. Unscramble the given letter groups to find out the name of a cooking method by which biscuits are made.
A. OSANIGTR
B. KNAIBG
C. IINLGBO
D. IESMTAGN
View Answer
B
10. Preservation of food is done to
A. Keep it fresh for a long time.
B. Prevent it from getting spoiled.
C. Keep the nutrients intact for a long time.
D. All of these.
View Answer
D
11. Mekhela Chador is a traditional dress worn by the women of which state?
A. Kashmir
B. Punjab
C. Gujarat
D. Assam
View Answer
D
12. Which of the following items are used for cleaning purposes in the house?
A. (a) and (b) only
B. (a), (c) and (d) only
C. (b) and (d) only
D. (a), (b), (c) and (d)
View Answer
B
13. Which of the following is a characteristic of synthetic fibres?
A. They absorb less water.
B. They dry quickly.
C. They are wrinkle resistant.
D. All of these
View Answer
D
14. We tend to slip while walking on the wet floor as compared to the dry floor. This is because
A. Gravitational force is more on the wet floor.
B. Frictional force is more on the wet floor.
C. Frictional force is less on the wet floor.
D. Gravitational force is less on the wet floor.
View Answer
C
15. Identify the labelled parts 1-4 of human digestive system in the given figure and answer the following question.
From which part of the human digestive system nutrients are absorbed into the blood stream?
A. 1
B. 2
C. 3
D. 4
View Answer
D
16. For sending an email the mobile/computer should be connected to
A. Fax machine
B. Printer
C. Cordless phone
D. Internet
energy
View Answer
D
17.Which of the following phases of Moon immediately follows
View Answer
A
18. Which of the following symbols shows ‘canal’ on a map?
View Answer
D
19. Which of these mudras (hand gestures ) in dance depicts a deer head?
View Answer
C
20. Study the given Venn diagram and identify animal X.
View Answer
C
21. Which of the following options shows INCORRECT posture?
View Answer
D
22. Rohit and Shivani were standing as shown in the given figure. Rohit waved to Shivani and she smiled in reply. Sheet P can be made of
A. Wood
B. Iron
C. Rubber
D. Glass
View Answer
D
23. Water is essential to us as
A. It helps us to remove waste materials from our body.
B. It helps to keep our body cool.
C. It helps in the digestion of food
D. All of these
View Answer
D
24. Riddhi ran to open the door when her father rang the doorbell. She used her sense of_____.
A. Hearing
B. Sight
C. Touch
D. Taste
View Answer
A
25. Onam is celebrated inKerela for ___ days.
A. 2
B. 5
C. 10
D. 20
View Answer
C
26. Which of the following is/are NOT following safety rules?
View Answer
D
27. X is the force that works in the opposite direction of movement of an object in contact with the surface. X is a ____.
A. Magnetic force
B. Push
C. Pull
D. Friction force
View Answer
D
28. Chalk is used for writing on blackboard because
A. It is a soft rock.
B. It is made up of sandstone.
C. It is a hard rock.
D. It is made up of silica.
View Answer
A
29. Select the correct statement.
A. Thar desert is located in South Africa.
B. River Ganga is one of the rivers of India.
C. Dal Lake in Andaman is a very famous lake of India.
D. Deccan Plateau is located in China.
View Answer
B
30. Identify the road sign shown in the given picture.
A. One way
B. Speed breaker ahead
C. No overtaking
D. Slippery road ahead
View Answer
D
ACHIEVERS SECTION
31.Study the given table and select the option that best represents the heading P, Q and R.
View Answer
D
32. Refer to the given word grid and answer the following questions.
X – how many birds having chisel –shaped beak are hidden in the word grid?
Y- how many birds that made through water are hidden in the word grid?
View Answer
C
33. Refer to the given flow chart and identify the material P, Q, R ad S.
View Answer
D
34. Veera shone a torchlight at a bunch of grapes as shown in the given picture.
What can Veera do to enlarge the shadow of the bunch of grapes on the screen?
1.Shift the screen closer to the grapes.
2. Shift the screen away from the grapes.
3.Shift the grapes nearer to the torch.
4. Shift the torch further away from the grapes
A. 1 and 2 only
B. 2 and 4 only
C. 1 and 3 only
D. 2 and 3 only
View Answer
D
35. Refer to the given experimental set up and select the option that correctly fills the blenks in the given sentence.
After sometime ,there will be formation of water droplets (i) due to (ii).
(i) (ii)
A. On the outer surface of the beaker Evaporation
B. On the hot plate Condensation
C. On the ice cubes Evaporation
D. On the underside of the metallic plate Condensation
View Answer
D
REMEMEBER:
Solving sample papers is one of the most important things students must do during their preparation.
Why is this Exam Important?
The National Science Olympiad (NSO) helps Class 3 students develop curiosity, scientific thinking, and problem-solving skills through interesting and age-appropriate questions.
🌟 Key Benefits of NSO for Class 3
- Builds Scientific Thinking 🧠
Encourages children to observe, question, and understand how things work. - Improves Logical Reasoning 🔍
Questions help students identify patterns, compare objects, and think logically. - Strengthens Science Concepts 📚
Reinforces basic topics such as plants, animals, food, human body, surroundings, and everyday science. - Develops Problem-Solving Skills 💡
Students learn to apply what they know rather than simply memorizing facts. - Improves Observation Skills 👀
Picture-based and application-based questions encourage - Builds Confidence 🌈
Taking part in an Olympiad gives children experience with competitive examinations and helps them become comfortable with new types of questions. - Encourages Learning Beyond the Textbook 🚀
Students get opportunities to explore science through real-life situations. - Provides Early Exposure to Competitions 🏆
Class 3 is a good stage to become familiar with examination patterns, time management, and challenging questions. - careful observation.


