Q1: Unit of nervous system is?

Neuron
Nephron
Axon
DNA

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Q2: Main organ of respiratory system?

Brain
Heart
Lungs
Kidney

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Q3: Which device converts sound to electric signal?

Speaker
Microphone
Motor
Bulb

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Q4: A body moving in circle at constant speed has changing?

Velocity
Mass
Kinetic energy
Potential energy

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Q5: Identify noun: 'The sun shines brightly.'

Sun
Shines
Brightly
The

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Q6: Mean of 2, 4, 6, 8 is?

5
6
7
8

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Q7: What is the perimeter of a circle called?

Area
Arc
Chord
Circumference

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Q8: Find perimeter of rectangle length 6 cm, breadth 4 cm.

10 cm
12 cm
20 cm
24 cm

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Q9: Volume of a cube with side 3 cm?

6 cm³
9 cm³
18 cm³
27 cm³

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Q10: What is the SI unit of power?

Watt
Joule
Newton
Pascal

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Q11: Area of rectangle is?

length + width
length × width
2 × length × width
length - width

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Q12: Choose the correct spelling.

Recieve
Receive
Receeve
Receve

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Q13: What is needed by plants to absorb nitrogen from soil?

Bacteria
Fungi
Insects
Birds

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Q14: Plants absorb water through?

Stomata
Roots
Leaves
Flowers

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Q15: Correct spelling is?

Occurence
Occurrence
Ocurence
Occurance

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Q16: If x + 5 = 10, what is x?

3
5
7
10

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Q17: The longest chord of a circle is?

Radius
Diameter
Secant
Tangent

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Q18: Which is the smallest prime number?

0
1
2
3

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Q19: Speed of light is approximately?

3x10⁸ m/s
3x10⁶ m/s
3x10⁵ m/s
3x10⁷ m/s

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Q20: Synonym of 'Beautiful'?

Ugly
Pretty
Sad
Tall

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