Q1: Which of the following is a non-metal?

Aluminum
Sulphur
Sodium
Calcium

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Q2: Which is the lightest metal?

Lithium
Magnesium
Sodium
Potassium

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Q3: If the perimeter of a square is 24 cm, what is the side length?

4 cm
5 cm
6 cm
8 cm

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Q4: The breathing organ in fish is?

Gills
Lungs
Skin
Fins

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Q5: Mean of 10, 20, 30 is?

20
15
30
25

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Q6: Chemical symbol of gold?

Au
Ag
Pb
Pt

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Q7: The number of sides in a decagon is?

8
9
10
11

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Q8: If 3x = 12, x equals?

2
3
4
6

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Q9: If radius of circle is doubled, area becomes?

Twice
Three times
Four times
Half

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Q10: Which blood group is universal donor?

O
A
B
AB

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Q11: The SI unit of resistance is?

Ohm
Volt
Watt
Coulomb

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Q12: Electricity is conducted in metals due to?

Free neutrons
Free electrons
Free protons
Free atoms

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Q13: Find the perimeter of a square with side 5 cm.

10 cm
15 cm
20 cm
25 cm

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Q14: Which blood component fights infection?

RBC
WBC
Platelets
Plasma

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Q15: Boiling point of water at sea level is?

90°C
80°C
100°C
110°C

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Q16: Which acid is used in car batteries?

Nitric acid
Sulphuric acid
Hydrochloric acid
Carbonic acid

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Q17: Which gas is used by plants in photosynthesis?

Oxygen
Carbon dioxide
Nitrogen
Hydrogen

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Q18: Synonym of 'Happy' is?

Sad
Angry
Joyful
Tired

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Q19: Smallest unit of heredity is?

DNA
Chromosome
Gene
RNA

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Q20: Synonym of 'Silent' is?

Loud
Quiet
Noisy
Harsh

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