General Science mcqs Class 9 | Quiz

The camera tube coverts the visual signals into _________ signals.

(A) Electrical
(B) Sound
(C) Heat
(D) Radio

Answer: (A) Electrical

During the process of digestion of food the proteins are broken down in to ____________ in the presence of Proteolytic Enzymes.

(A) Sugar
(B) Glycerol
(C) Energy
(D) Amino acids

Answer: (D) Amino acids

What is used to convert AC into DC?

(A) A diode
(B) A radio
(C) A television
(D) A microprocessor

Answer: (A) A diode

Energy stored in Dam water is:

(A) Potential Energy
(B) Chemical Energy
(C) Kinetic Energy
(D) Electrical Energy

Answer: (A) Potential Energy

Which of the following is a non-renewable energy source?

(A) Solar energy
(B) Oil and gas
(C) Nuclear
(D) Electrical

Answer: (B) Oil and gas