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ISFO Science Olympiad Sample Paper : International Society

Organisation : International Society for Olympiad
Exam Name : ISFO Science Olympiad Sample Paper
Category : Class I – X
Document Type : Sample Question Papers
Website :

ISFO Science Olympiad Sample Paper

Download the Sample Paper of International Society for Olympiad Science for the Classes I – X.

Related / Similar Question Paper :
ISFO English Olympiad Sample Paper



Maximum Marks : 50
1. Please DO NOT OPEN the contest booklet until you are asked to do so.
2. The question paper comprises of 4 sections (Total 35 questions)
Section A : Scientific Reasoning 13-Questions (1 mark each)
Section B : Everyday Science 12-Questions (1 mark each)
Section C : Logical Reasoning 5-Questions (1 mark each)
Section D : BrainBox 5-Questions (4 marks each)

3. All questions are compulsory. There is no negative marking.
4. No electronic devices capable of storing and displaying visual information such as calculator and mobile are allowed during the course of the exam.

5. Fill all your details properly on the OMR sheet.
6. There is only ONE correct answer of each question.
7. To mark your choice of answers by darkening the circles on the OMR Sheet, use an HB Pencil or a Blue/Black Ball Point Pen only.
8. Shade your answer clearly as per the given example.

Class 1

Section A : Scientific Reasoning
1. Which of the following object will float on the water surface?
2. Sam wore a white cotton shirt on a family trip. In which of the following days they most likely went on the trip?
a) Cold and Winter
b) Cold and Rainy
c) Hot and Summer
d) Hot and Rainy

3. When we touch the leaves of ‘touch me not’ plant, it closes its leaf. It shows that
a) This plant is living thing
b) It responds
c) It moves
d) Both a and b

4. Living things reproduce. Which of the following correctly describes it.

Section B : Everyday Science
5. Myra’s doll can speak and dance, but it does not eat food. It is because the doll is
a) a living thing b) a non-living thing
c) a toy d) Both b and c
6. Anya’s mother used some leaves to make chutney. Identify the leaf.

Section C : Logical Reasoning
7. Total number of triangles in the given picture are
a) 4
b) 5
c) 6
d) 8

8. Change the vowel and make a new word.
a) U
b) I
c) V
d) A

Section D : Brainbox
9. Unscramble the word to find the occupation of the person.
10. Roughage (fibre) helps in digestion. Which of the following are high in roughage?

Class 2

Section A : Scientific Reasoning
1. A child does not add milk or milk product in his meal. He may get ______________ .
a) Weak bones
b) Weak teeth
c) Weak muscles
d) Both a) and b)

2. Ritu has two flower pots. In pot ‘A’ there is a plastic plant and in pot ‘B’, there is a real plant. She watered both plants and kept them under sunlight. What will she observe after one week ?

a) The plant in pot ‘A’ will grow but not in pot ‘B’.
b) The plant in pot ‘B’ will grow but not in pot ‘A’.
c) Nothing will happen.
d) The plants in both pots will die.

3. Observe the shadow of the trees in the picture. Which shadows is formed in afternoon?
a) A
b) B
c) C
d) None of these

4. Which of the following combinations are incorrect?
Actions Places where we go
(A) To post letters Post office
(B) For treatment of a diseaseHospital
(C) To withdraw cash Police station
D) To complain about a crimeATM

Options are
a) A
b) B
c) C
d) C and D

Section B : Everyday Science
5. Choose the incorrect statement about the National Animal of India.
a) It is a carnivorous animal.
b) Its home is called lair.
c) It eats plants and plant products.
d) It is a wild animal.

6. Look at the given picture of an internal organ. How many are they inside human body?
a) One
b) Two
c) Three
d) Four

Section C : Logical Reasoning
7. A number ‘x’ is greater than 11 + 11 and less than 5 + 19. What is number ‘x’ ?
a) 19
b) 20
c) 21
d) 23

8. Observe the pattern and find out the missing number in the caterpillar.
a) 63
b) 45
c) 50
d) 39

Section D : Brainbox
9. Anshu’s mother washed clothes and spread them on clothesline. In which of the given situations the clothes will dry faster?
a) Sunlight and windy day
b) Rainy and humid day
c) At night and under fan
d) Rainy and windy day

10. Observe the given diagram. What does it show ?
a) Solar eclipse
b) Lunar eclipse
c) Rotation of the Earth
d) Rotation of the moon

Class 3

Section A : Scientific Reasoning
1. In what ways are the given plants alike?
a) They are aquatic plants.
b) They are floating plants.
c) They do not have well developed roots.
d) All of these

2. A man works in a polluted area and has breathing problem. Which of the following organ systems of the man is most probably not working properly?
a) Circulatory System
b) Respiratory System
c) Digestive System
d) Excretory System

3. Observe the given picture. How many types of material is it made up of?
a) 2
b) 3
c) 4
d) 5

4. Which of the following statements is incorrect?
a) Light enables us to see the object.
b) Light can travel in vacuum.
c) Every object allows light to pass through.
d) Light is a form of energy.

Section B : Everyday Science
5. We should use freshwater wisely as
a) There is limited amount of freshwater on Earth.
b) We cannot use sea water for drinking.
c) The maximum part of Earth is covered with water.
d) All of these

6. Which of the following is known as the brightest and hottest planet in the solar system?

Section C : Logical Reasoning
7. Which of the following completes the second pair in the same way as the first pair?

8. Complete the given sequence
a) 20
b) 22
c) 23
d) 25

Section D : Brain Box
9. Complete the given flowchart What could be the ‘X’?
a) It is an aquatic plant.
b) It is a sunflower.
c) It is a ground nut plant.
d) It is a mustard plant.

10. Ritika tried to lift a box ‘X’ of 5 kg on the ramps of different heights as shown in the figures. In which case did she apply the minimum force?

Class 4

Section A : Scientific Reasoning
1. Identify the given animal. On the basis of its eating habit, name the type of teeth it is adapted with.
a) Molars
b) Premolars
c) Incisors
d) Canines

2. Which of the following food chain can exist in the nature?
a) Grass -> Deer -> Eagle -> Frog
b) Grass -> Grasshopper -> Frog -> Snake
c) Grass -> Caterpillar -> Frog -> Snake -> Owl
d) Both b) and c)

3. Study the given materials. Which of the following properties can be used to classify these items into different groups?
a) Rigid and flexible
b) Metal and non-metal
c) Transparent and opaque
d) All are correct

4. It is used to remove soluble impurities of water. Choose the correct statement about this phenomenon.
a) It is known as distillation.
b) This method can be used to remove salt from sea water.
c) Both a) and b)
d) None of these

Section B : Everyday Scienc
5. To which group of animals do these animals belong?
a) Amphibians
b) Fish
c) Mammals
d) Reptiles

6. Rubber is used to make things like football tyres, gloves etc. Which of the following characteristics make the rubber a suitable material for these objects?
a) Softness and flexibility
b) Softness, flexibility and elasticity
c) Cheap, natural and electrical insulator
d) Elasticity, flexibility and electrical insulator

Section C : Logical Reasoning
7. Replace the question mark with the appropriate figure.
8. Observe the given figure. There are ______ more circles than rectangular.
a) 1
b) 2
c) 3
d) 4

Section D : Brainbox
9. There are patterns on the soles of our shoes. These patterns are to
a) Increase the friction between sole of the shoe and the floor which prevent us from slipping.
b) Prevent the soles from wearing out too quickly.
c) Leave distinct foot prints only.
d) Reduce the friction between soles of shoe and the floor.

10. How are the given animals similar in their characteristics?
a) They reproduce by laying eggs.
b) They have 4 stage life cycle.
c) Both a and b
d) None of these

Download ISFO Science Sample Paper :
Class 1 :
Class 2 :
Class 3 :
Class 4 :
Class 5 :
Class 6 :
Class 7 :
Class 8 :
Class 9 :
Class 10 :

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