Science and technology MCQ Question

 Which of the following is not a type of electromagnetic radiation?

a) Radio waves

b) Microwaves

c) X-rays

d) Sound waves

Answer: d) Sound waves

What is the smallest unit of matter?

a) Proton

b) Neutron

c) Electron

d) Atom

Answer: c) Electron

What is the process by which green plants make their own food called?

a) Respiration

b) Photosynthesis

c) Digestion

d) Fermentation

Answer: b) Photosynthesis

Which of the following is not a renewable energy source?

a) Solar power

b) Wind power

c) Coal power

d) Hydropower

Answer: c) Coal power

Which of the following is not a type of blood cell?

a) Red blood cell

b) White blood cell

c) Platelet

d) Insulin

Answer: d) Insulin

What is the name of the process that converts sugar into alcohol?

a) Fermentation

b) Combustion

c) Photosynthesis

d) Oxidation

Answer: a) Fermentation

What is the name of the force that keeps objects in orbit around the Earth?

a) Gravity

b) Electromagnetism

c) Nuclear force

d) Friction

Answer: a) Gravity

Which of the following is not a component of the human respiratory system?

a) Trachea

b) Lungs

c) Kidneys

d) Bronchi

Answer: c) Kidneys

What is the process by which a solid turns directly into a gas called?

a) Condensation

b) Sublimation

c) Vaporization

d) Melting

Answer: b) Sublimation

Which of the following is not a type of computer virus?

a) Trojan horse

b) Worm

c) Spyware

d) Antivirus

Answer: d) Antivirus