CREST Science Olympiad (CSO) Class 5 Sample Paper

CLASS

5
SAMPLE PAPER

CREST Science Olympiad (CSO)

Syllabus for CSO is available at https://www.crestolympiads.com/cso-syllabus

Pattern And Marking Scheme
Class Topic/Section No. of Questions Marks per Questions Total Marks
Practical Science 25 1 25
1st to 4th Achiever’s Section 10 2 20
Grand Total 35 - 45
Practical Science 40 1 40
5th to 10th Achiever’s Section 10 2 20
Grand Total 50 - 60

1. The given figure below shows a stage X in the life cycle of an organism called pupa
stage. Which of the following organism will come out in the next stage of development?

a) Butterfly b) Mosquito
c) Cockroach d) Frog

2. Sam wrote two statements about human body in her notebook.
1. The cerebrum is in charge of thinking and memory.
2. The part of the brain in charge of the involuntary actions such as breathing,
heartbeat, etc., is the cerebellum.
Choose the correct option about the above two statements:
a) Statement 1 is correct but 2 is incorrect.
b) Statement 1 is incorrect but 2 is correct.
c) Both the statements are correct.
d) Both the statements are incorrect.

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3. Which diagram correctly shows the positions of the Moon-Sun in a total solar eclipse?

a) B b) C
c) D d) A

4. Observe the figure shown below carefully:

Fill in the blank with a suitable term and select the correct option:
This child is suffering from ________________.
a) Scurvy b) Rickets
c) Beri-beri d) Goitre

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5. Look at the figure shown below:

Identify the nerves A and B, which carry orders from and to the brain or the spinal cord:
a) A-Sensory, B-Motor b) A-Motor, B-Sensory
c) A-Nerve, B-Sensory d) A-Motor, B-Nerve

6. Based on the given table, which of the following can be added to row 2?

In- exhaustible Exhaustible
Rainfall Coal
X Y

a) X-Solar energy, Y-Water b) X-Iron, Y-Wind
c) X-Petroleum, Y-Forests d) X-Clay, Y-Petroleum

7. Read the sentences given below and choose the INCORRECT statement(s) related to
states of matter:
A. It is very difficult to compress gases.
B. Steel, wood and fabrics are all solid forms of matter.
C. Most matter changes its state when more energy is added to it.
D. Solids contract on heating.
a) A and C b) B and C
c) C and D d) A and D

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8. Given below are pictures of two groups of animals:

On what basis have they been grouped?
a) Group X: These animals have stout legs and they walk on their hoofs.
Group Y: These animals move noiselessly as their feet are provided with a soft pad
underneath.
b) Group X: These animals move noiselessly as their feet are provided with a soft pad
underneath.
Group Y: These animals have stout legs and they walk on their hoofs.
c) Group X: These animals are mammals.
Group Y: These animals are reptiles.
d) Group X: These animals are scavengers.
Group Y: These animals are aquatic in nature.

Achiever’s Section
9. Which of the following is an example of chemical energy getting converted to thermal
energy?
1. Lightning
2. Burning gasoline in a car's engine
3. Stretched rubber band
4. Person riding bicycle down the hill
5. A car crash
6. Splitting of nuclei
a) 1 and 3 b) 4 and 5
c) Only 6 d) Only 2

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10. What do grasshoppers and chameleons have in common?

a) They both are parasites.
b) They both are nocturnal animals.
c) They both hibernate.
d) They both change their colour and are not easily seen or spotted by their enemies.

Answers

1.(a), 2. (a), 3. (c), 4. (b), 5. (b), 6. (d), 7. (d), 8. (b), 9 (d), 10 (d)

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