The brain of any computer system is:

• ALU
• Memory
• Control unit
• CPU
Solution
Correct Option: D  [ CPU ]

Explanation:

Who is the first man to land on the Moon ?

• Aldrin
• Neil Armstrong
• Michael Collins
• Gagarin
Solution
Correct Option: B  [ Neil Armstrong ]

Explanation:

Which of the following diseases is not caused by bacteria?

• Cholera
• Typhoid
• Tuberculosis
• Chickungunya
Solution
Correct Option: D  [ Chickungunya ]

Explanation:

When a bus starts suddenly, the passengers sitting in the bus lean backward. This is because of :

• Inertia of rest
• Inertia of motion
• Momentum
• Gravity of the earth
Solution
Correct Option: A  [ Inertia of rest ]

Explanation:

Which of the following computing technology does not represent data as bite?

• Artificial intelligence
• Cloud computing
• Quantum computing
• Virtual reality
Solution
Correct Option: C  [ Quantum computing ]

Explanation: In Quantum computing, "Qubits" are used to represent data as they can exist in multiple states simultaneously due to the principles of quantum superposition.

Which is the correct order to show units from largest to smallest ?

• Millilitres, decilitre, lite
• Litre, decilitre, millilitre
• Decilitre, millilitre, litre
• Litre, millilitre, decilitre
Solution
Correct Option: B  [ Litre, decilitre, millilitre ]

Explanation:

The stars twinkle at night because:

• they emit energy
• of diffraction
• of refraction
• of relection
Solution
Correct Option: C  [ of refraction ]

Explanation:

Cerebral Malaria is caused by:

• Plasmodium vivax
• Plasmodium malariae
• Plasmodium falciparum
• None of the above
Solution
Correct Option: C  [ Plasmodium falciparum ]

Explanation:

A substance used in the fire extinguisher under the trade name of Pyrene is:

• Carbon dioxide
• Chloroform
• Carbon tetrachloride
• Bleaching powder
Solution
Correct Option: C  [ Carbon tetrachloride ]

Explanation:

Which one of the following sets of Elements was primarily responsible for the origin of life on the earth?

• Hydrogen, Oxygen, Carbon, Sodium
• Oxygen, Carbon, Calcium, Phosphorus
• Carbon, Hydrogen, Oxygen, Nitrogen
• Carbon, Hydrogen, Nitrogen, Potassium
Solution
Correct Option: C  [ Carbon, Hydrogen, Oxygen, Nitrogen ]

Explanation: