What did Sir Isaac Pitman invent in 1837?
- (A) Typewriter
- (B) Shorthand
- (C) Keyboard
- (D) None of these
- (B) Shorthand
What does the Japanese word “Tsunami” means?
- (A) Sensational waves
- (B) Horrible waves
- (C) Harbor waves
- (D) None of these
- (C) Harbor waves
The amount of water present in blood plasma is about:
- (A) 70%
- (B) 75%
- (C) 80%
- (D) 90%
- (D) 90%
People living in high altitude (like mountains) usually having:
- (A) Smaller number of WBCs
- (B) Larger number of RBCs
- (C) Smaller number of RBCs
- (D) None of these
- (B) Larger number of RBCs
Which of the following is NOT a conductor?
- (A) Copper
- (B) Silicon
- (C) Graphite
- (D) None of these
- (B) Silicon
Isotopes are atoms of the same element with different numbers of:
- (A) Electrons
- (B) Protons
- (C) Neutrons
- (D) None of these
- (C) Neutrons
Which of the following is used in magnifying glass?
- (A) Concave lens
- (B) Convex lens
- (C) Cylindrical lens
- (D) None of these
- (B) Convex lens
Severe deficiency of “Vitamin C” in the body results in:
- (A) Dental problems
- (B) Abdominal issues
- (C) Kidney problems
- (D) None of these
- (A) Dental problems
Reduction is a process involving the processes:
- (A) Loss of Oxygen
- (B) Gain of electrons
- (C) Both (A & B)
- (D) Increase in oxidation number
- (C) Both (A & B)
What is the chemical formula of natural gas?
- (A) CH2
- (B) CH4
- (C) CH6
- (D) CH8
- (B) CH4