ONE inch is equal to how many millimeters (mm)?
- (A) 20.4 mm
- (B) 25.4 mm
- (C) 35.4 mm
- (D) None of these
- (B) 25.4 mm
Who explained how planets moved around the sun?
- (A) James Jeans
- (B) Kepler
- (C) Copernicus
- (D) None of these
- (B) Kepler
Which plant produces seed but not fruit?
- (A) Berry
- (B) Cycas
- (C) Groundnut
- (D) None of these
- (B) Cycas
Man differs from birds in that man has:
- (A) Four chambered-heart
- (B) Hairs
- (C) Warm blooded
- (D) None of these
- (B) Hairs
Gain of electron by an atom is called:
- (A) Oxidation
- (B) Reduction
- (C) Conduction
- (D) Convection
- (B) Reduction
How much concentration of salt is required to kill unwanted bacteria?
- (A) 10%
- (B) 20%
- (C) 30%
- (D) 40%
- (B) 20%
What is “Reproduction rate”?
- (A) Number of births per 10
- (B) Number of births per 100
- (C) Number of births per 1000
- (D) Number of births per 10,000
- (C) Number of births per 1000
Risk of heart attack and brain hemorrhage increases due to:
- (A) Hypertension
- (B) Hypoxia
- (C) Hypotension
- (D) Panic attack
- (A) Hypertension
The largest and strongest chamber of human heart is:
- (A) Right Atrium
- (B) Left Atrium
- (C) Right Ventricle
- (D) Left Ventricle
- (D) Left Ventricle
Who discovered ATP (Adenosine Tri-phosphate) in 1929?
- (A) Watson
- (B) Karl Lohmann
- (C) Melvin Calvin
- (D) None of these
- (B) Karl Lohmann