When our sun reaches the end of its red giant phase, it will turn into a___________
(A) Supernova
(B) White Dwarf
(C) Black Hole
(D) Neutron Star
Insulin drug was discovered by____________
(A) Charles Herbert Best
(B) Prof John James Rickard Macleod
(C) Sir Frederick Grant Banting
(D) Leonard Thompson
A glass chimney stops an oil lamp from smoking because:
(A) It increases the supply of oxygen to the flame by convection
(B) The heat produced ensures complete
(C) Both to these
(D) Neither of these
The common refrigerant used in domestic Refrigerator is_____________
(A) Neon
(B) Spirit
(C) Freon/Ammonia
(D) Methane
Wood is the main raw material for the manufacture of ____________
(A) Paint
(B) Gun powder
(C) Paper
(D) Ink
The chemical name of Laughing gas is___________
(A) Nitric oxide
(B) Nitrogen dioxide
(C) Nitrogen pentoxide
(D) Nitrous oxide
In the manufacture of banaspati ghee the gas used is __________
(A) Helium
(B) Hydrogen
(C) Oxygen
(D) Nitrogen
______________ is used for measuring velocity
(A) Speedometer
(B) Anemometer
(C) Odometer
(D) Hygrometer