class 7 round 3-1

Which gas is essential for human respiration?

• Carbon dioxide

• Nitrogen

• Hydrogen

• Oxygen

Which of the following has the highest pH value?

• Vinegar

• Lemon juice

• Soap solution

• Pure water

Which scientist discovered the neutron in an atom?

• J.J. Thomson

• Niels Bohr

• James Chadwick

• Ernest Rutherford

Which programming language is primarily used for AI and Machine Learning?

• HTML

• Python

• JavaScript

• PHP

Which type of memory is volatile and gets erased when the computer is turned off?

• ROM

• SSD

• RAM

• Flash Drive

Who was the first Prime Minister of independent India?

• Subhas Chandra Bose

• Dr. B.R. Ambedkar

• Jawaharlal Nehru

• Rajendra Prasad

Which of the following countries is not a member of the SAARC?

• India

• Bhutan

• Myanmar

• Nepal

What is 12²?

• 124

• 144

• 164

• 134

Solve: (5 + 3) × (6 - 2)

• 32

• 30

• 36

• 40

What comes next in the series: 2, 4, 8, 16, ?

• 24

• 32

• 30

• 20