Q1: Angle in a semicircle is?

60°
90°
120°
180°

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Q2: Process of separating dissolved solids from liquids is called?

Sedimentation
Filtration
Evaporation
Crystallization

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Q3: SI unit of pressure is?

Joule
Pascal
Watt
Ohm

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Q4: Acceleration due to gravity on Earth is?

8.9 m/s²
9.8 m/s²
10.5 m/s²
9.2 m/s²

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Q5: Which mirror forms erect images?

Concave
Convex
Plane
None

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Q6: If a cylinder has radius 3 cm and height 7 cm, its volume is?

198 cm³
63 cm³
66 cm³
99 cm³

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Q7: Identify pronoun in sentence: 'He is my brother.'

He
Brother
My
Is

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Q8: Which is the smallest bone in human body?

Stapes
Femur
Tibia
Fibula

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Q9: Which part of the plant absorbs water?

Stem
Leaf
Root
Flower

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Q10: The distance covered per unit time is?

Acceleration
Velocity
Speed
Displacement

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Q11: Which acid is present in lemon?

Formic acid
Citric acid
Lactic acid
Tartaric acid

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Q12: Unit of sound intensity is?

Hertz
Decibel
Pascal
Watt

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Q13: If 5x = 20, then x = ?

2
3
4
5

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Q14: Which mirror is used in rearview mirrors?

Plane
Concave
Convex
None

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Q15: The image formed by convex mirror is always?

Real
Virtual and erect
Inverted
Magnified

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Q16: If 2x – 5 = 11, then x = ?

8
7
6
9

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Q17: Name the salt used in baking?

Baking soda
Washing soda
Common salt
Bleaching powder

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Q18: Select the correct spelling:

Gaurentee
Guarentee
Guarantee
Gaurantee

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Q19: Which of these is an allotrope of carbon?

Diamond
Quartz
Salt
Charcoal

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Q20: The atomic number of hydrogen is?

1
2
3
4

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