Q1: Which mirror forms erect images?

Concave
Convex
Plane
None

---

Q2: Blood vessels that carry blood towards the heart?

Arteries
Veins
Capillaries
Venules

---

Q3: Which is the capital of West Bengal?

Mumbai
Chennai
Kolkata
Delhi

---

Q4: The mean of 10, 20, 30, 40, 50 is?

20
25
30
40

---

Q5: Which is the lightest metal?

Lithium
Magnesium
Sodium
Potassium

---

Q6: Which shape does not belong: Square, Triangle, Circle, Rectangle?

Square
Triangle
Circle
Rectangle

---

Q7: Which indicator is obtained from plants?

Methyl orange
Phenolphthalein
Litmus
Universal

---

Q8: Which instrument is used to measure atmospheric pressure?

Thermometer
Barometer
Voltmeter
Hydrometer

---

Q9: Identify verb in: 'She dances gracefully.'

She
Dances
Gracefully
None

---

Q10: 1 kWh equals how many joules?

3.6 × 10^3
3.6 × 10^5
3.6 × 10^6
3.6 × 10^7

---

Q11: What is the sum of angles in a pentagon?

360°
540°
720°
900°

---

Q12: Which of these is a prime number?

4
6
9
11

---

Q13: The type of mirror used in headlights of vehicles?

Plane mirror
Concave mirror
Convex mirror
None

---

Q14: SI unit of current is?

Watt
Ampere
Volt
Ohm

---

Q15: Which of these is an element?

Water
Salt
Oxygen
Sugar

---

Q16: SI unit of pressure is?

Joule
Pascal
Watt
Ohm

---

Q17: Speed of light is approximately?

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

---

Q18: Which latitude divides India into two almost equal parts?

Equator
Tropic of Cancer
Tropic of Capricorn
Arctic Circle

---

Q19: Which country is known as the Land of Rising Sun?

China
Japan
India
Australia

---

Q20: Which is a linear polynomial?

x²+3
2x+5
x³+2
4x²-1

---

Time left: --:--