Biology MCQs
1. What is the function of ribosomes?
A) Protein synthesis ✅
B) Lipid storage
C) DNA replication
D) Energy production
2. Which enzyme is responsible for DNA replication?
A) RNA polymerase
B) DNA polymerase ✅
C) Helicase
D) Ligase
3. What is the powerhouse of the cell?
A) Nucleus
B) Ribosome
C) Mitochondria ✅
D) Golgi apparatus
4. The nitrogenous base Thymine is replaced by which base in RNA?
A) Cytosine
B) Adenine
C) Uracil ✅
D) Guanine
5. Which part of the brain controls balance and coordination?
A) Cerebrum
B) Cerebellum ✅
C) Medulla oblongata
D) Hypothalamus
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⚗️ Chemistry MCQs
6. What is the pH of pure water?
A) 7 ✅
B) 5
C) 8
D) 10
7. What is the chemical formula of washing soda?
A) NaHCO₃
B) Na₂CO₃ ✅
C) CaCO₃
D) NaOH
8. Which gas is known as “Laughing Gas”?
A) CO₂
B) NO₂
C) N₂O ✅
D) NH₃
9. What is Avogadro’s number?
A) 6.022 × 10²²
B) 6.022 × 10²³ ✅
C) 6.022 × 10²⁴
D) 6.022 × 10²⁵
10. What type of bond is present in NaCl?
A) Covalent bond
B) Ionic bond ✅
C) Metallic bond
D) Hydrogen bond
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⚡ Physics MCQs
11. Newton’s First Law is also known as:
A) Law of Acceleration
B) Law of Inertia ✅
C) Law of Action and Reaction
D) Law of Momentum
12. The SI unit of force is:
A) Joule
B) Watt
C) Newton ✅
D) Pascal
13. What is Ohm’s Law?
A) V = IR ✅
B) P = IV
C) F = ma
D) E = mc²
14. What is the speed of light in vacuum?
A) 3 × 10⁶ m/s
B) 3 × 10⁷ m/s
C) 3 × 10⁸ m/s ✅
D) 3 × 10⁹ m/s
15. Which type of mirror is used in car rearview mirrors?
A) Plane mirror
B) Convex mirror ✅
C) Concave mirror
D) Parabolic mirror
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📖 English & General Aptitude MCQs
16. Choose the correct synonym of “Obsolete”:
A) Outdated ✅
B) New
C) Modern
D) Fast
17. Find the missing number: 2, 4, 8, 16, __, 64
A) 24
B) 32 ✅
C) 48
D) 56
18. “Break a leg” means:
A) To get injured
B) Best of luck ✅
C) To run fast
D) To be careless
19. Convert to passive voice: “She is writing a letter.”
A) A letter was written by her.
B) A letter has been written by her.
C) A letter is being written by her. ✅
D) A letter is written by her.
20. If a car travels 120 km in 3 hours, what is its speed?
A) 30 km/hr
B) 40 km/hr ✅
C) 50 km/hr
D) 60 km/hr
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📌 Why Practicing MCQs is Important?
✅ Helps with time management during the exam
✅ Improves accuracy and speed
✅ Boosts confidence and reduces exam stress
✅ Covers all major topics in the syllabus
🔥 Pro Tip:
Use a timer while solving MCQs to improve speed.
Revise concepts using books and notes before attempting questions.
Take mock tests to evaluate your preparation.
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