Class-3rd (Science) Olympiad - CANSO

Mock Instructions

  • 1. This is Model Question Paper.
  • 2. This is an Online Worksheet.
  • 3. Total Questions-35.
  • 4. Total Time-60 minutes.

Section-1 Science

Q.1 Matter is anything that occupies space and has mass. Which one of the following is correct about air?

  • (a) Air is not a matter.
  • (b) Air is a matter.
  • (c) Air can partially be a matter.
  • (d) All of these

Q.2 Green plants make their own food. They are called?

  • (a) Heterotrophs
  • (b) Autotrophs
  • (c) Saprophytes
  • (d) All of these

Q.3 Ice changes into water and water changes into water vapour. What do you conclude from this statement?

  • (a) Water is a solid.
  • (b) Water is a liquid.
  • (c) Water is a gas.
  • (d) Water is found in all the three states of matter.

Q.4 We eat the root of some plants that store food in them. Which one of the following plant’s roots do we eat?

  • (a) Tomato
  • (b) Sugarcane
  • (c) Turnip
  • (d) Brinjal

Q.5 What impact does the exhaled air make on lungs?

  • (a) Makes the lung expand.
  • (b) Makes the lung contract.
  • (c) Does not make any impact.
  • (d) All of these

Q.6 Which one of the following processes is responsible for the changing of water into water vapour?

  • (a) Condensation
  • (b) Freezing
  • (c) Evaporation
  • (d) All of these

Q.7 Which one of the following birds has chisel – shaped beak?

  • (a) Woodpecker
  • (b) Parrot
  • (c) Crow
  • (d) Eagle

Q.8 The rocks are changed into soil by which one of the following processes?

  • (a) Fusion
  • (b) Soil erosion
  • (c) Chemical reaction
  • (d) Weathering

Q.9 How can we prevent the depletion of ozone layer?

  • (a) By industrialization
  • (b) By deforestation
  • (c) By preventing pollution
  • (d) All of these

Q.10 Which of the following birds can fly ?

  • (a) Parrot
  • (b) Ostrich
  • (c) Kiwi
  • (d) All of these

Section-1 Logical Thinking :

Q.11 If in a code language, PAINT is written as 74128 and EXCEL as 93596, then how ACCEPT will be written in that language?

  • (a) 455978
  • (b) 544978
  • (c) 455378
  • (d) 733961

Q.12 If ‘bat’ is ‘racket’, ‘racket’ is ‘football’, ‘football’ is ‘shuttle’ , ‘shuttle’ is ‘ludo’ and ‘ludo’ is ‘carrom’, what is cricket played with?

  • (a) Bat
  • (b) Football
  • (c) Racket
  • (d) Carrom

Q.13 Arrange the following words in the question in a logical sequence.





  • (a) 2,1,4,3
  • (b) 3,4,1,2
  • (c) 1,2,3,4
  • (d) 1,3,2,4

Section-3 High Order Thinking (HOT) :

Q.14 Given below is the list of name of plants, categorized as per their roots. Which one of the given categories is correct?

  • (a) Tap root: Wheat, mustard Fibrous root: Onion, hibiscus
  • (b) Tap root: Onion, mustard Fibrous root: Wheat, hibiscus
  • (c) Tap root: Hibiscus, mustard Fibrous root: Onion, wheat
  • (d) All of these

Q.15 Statement A: Sense organs help in obtaining information about the surroundings.

Statement B: Sense organs do not help in obtaining information about the surroundings.

  • (a) Statement A is true.
  • (b) Statement B is true.
  • (c) Both statements A and B are true.
  • (d) Both statements A and B are false.