The lifespan of human White Blood Cells (WBC) is normally:
- (A) 1 to 5 days
- (B) 3 to 7 days
- (C) 5 to 21 days
- (D) None of these
- (C) 5 to 21 days
Oxygen intake (in liters) by a normal human in a day is:
- (A) 10,000 to 15,000
- (B) 15,000 to 20,000
- (C) 20,000 to 25,000
- (D) None of these
- (A) 10,000 to 15,000
Deficiency of _______ in the body leads to eye irritation.
- (A) Vitamin B
- (B) Vitamin D
- (C) Vitamin K
- (D) None of these
- (B) Vitamin D
The SI unit of “Electric charge” is:
- (A) Weber
- (B) Ohm
- (C) Coulomb
- (D) None of these
- (C) Coulomb
Which of the following is NOT a vitamin deficiency disease?
- (A) Rickets
- (B) Night blindness
- (C) Cancer
- (D) Blood clotting
- (C) Cancer
Sound waves are actually ______ waves.
- (A) Latitudinal waves
- (B) Longitudinal waves
- (C) Electromagnetic waves
- (D) None of these
- (B) Longitudinal waves
Which of the following is the thickest layer of Earth?
- (A) Crust
- (B) Inner core
- (C) Mantle
- (D) Outer core
- (C) Mantle
What is the percentage of water in cow milk?
- (A) 70%
- (B) 75%
- (C) 87%
- (D) None of these
- (C) 87%
When the volume of a gas is decreased at constant temperature:
- (A) Pressure also decreases
- (B) Pressure increases
- (C) Pressure remains constant
- (D) None of these
- (B) Pressure increases
What does the “Flow of current” mean?
- (A) Flow of protons
- (B) Flow of waves
- (C) Flow of neutrons
- (D) Flow of electrons
- (D) Flow of electrons