25 MCQ Joint Entrance Examination JEE 2024 Quiz with Correct Answers

1 What is the chemical symbol for sodium?

1. So
2. Na
3. Sn
4. Sa

2 What is the formula for the area of a circle?

1. πr
2. πd²
3. πr²
4. 2πr

3 Which of the following is an alkali metal?

1. Nitrogen
2. Sodium
3. Helium
4. Calcium

4 What is the chemical symbol for silver?

1. Au
2. Cu
3. Ag
4. Na

5 Which of the following is a composite number?

1. 17
2. 12
3. 11
4. 13

6 The acceleration due to gravity on Earth is approximately:

1. 9.2m/s²
2. 8.9m/s²
3. 9.8m/s²
4. 9.8m²/s

7 What is the SI unit of force?

1. Newton
2. Watt
3. Joule
4. Pascal

8 What is the chemical formula of water?

1. H₂O₂
2. HO
3. H₃O
4. H₂O

9 What is the formula for the area of a rectangle?

1. Length + Width
2. Length × Width
3. Length ÷ Width
4. 2 × (Length + Width)

10 Which of the following is a greenhouse gas?

1. Oxygen
2. Nitrogen
3. Carbon dioxide
4. Helium

11 Who proposed the theory of relativity?

1. Isaac Newton
2. Albert Einstein
3. Galileo Galilei
4. Nikola Tesla

12 What is the SI unit of electric current?

1. Ampere
2. Volt
3. Ohm
4. Watt

13 Which planet is known as the "Red Planet"?

1. Venus
2. Mars
3. Jupiter
4. Saturn

14 What is the chemical formula of methane?

1. CH₃OH
2. CO₂
3. CH₄
4. H₂O

15 What is the chemical formula of table salt?

1. NaCl
2. KCl
3. HCl
4. NaOH

16 What is the atomic number of carbon?

1. 6
2. 12
3. 14
4. 8

17 Who discovered the nucleus of the atom?

1. Rutherford
2. Thomson
3. Dalton
4. Bohr

18 Who discovered the nucleus of the atom?

1. Ag
2. Fe
3. Cu
4. Au

19 Which of the following is a noble gas?

1. Nitrogen
2. Oxygen
3. Helium
4. Hydrogen

20 What is the formula for acceleration?

1. v/t (v= Velocity, t=Time)
2. t/v (t=Time, v= Velocity)
3. v/d (v= Velocity, d=distance)
4. d/t (d=distance, t=Time)

21 What is the chemical formula of ammonia?

1. NH₃
2. N₂H₂
3. NH₄
4. NO₃

22 What is the chemical name of baking soda?

1. Sodium chloride
2. Sodium bicarbonate
3. Sodium carbonate
4. Sodium hydroxide

23 Who discovered penicillin?

1. Alexander Fleming
2. Marie Curie
3. Louis Pasteur
4. Jonas Salk

24 Which of the following is not a primary color of light?

1. Red
2. Green
3. Yellow
4. Blue

25 What is the chemical formula of hydrogen peroxide?

1. H₂O
2. H₂O₂
3. HO₂
4. HO