(a) Carbon dioxide
(b) Oxygen
(c) Hydrogen
(d) Nitrogen
Answer:
Which of the following is a biodegradable pollutant?
(a) Dye effluent
(b) Heavy metals
(c) Bleaching effluent
(d) Sewage
Answer:
The main pollutant responsible for Bhopal Gas Tragedy is
(a) Chlorofluro carbon
(b) Chlorine
(c) Methyl isocyanate
(d) Bromine
Answer:
Which one among the following is not responsible for 'green house effect'?
(a) Nitrogen
(b) Chlorofluorocarbons
(c) Water
(d) Carbon dioxide
Answer:
Light year is unit of
(a) Distance
(b) Mass
(c) Time
(d) Speed of light
Answer:
Ampere is the unit of
(a) Resistance
(b) Electric charge
(c) Current electricity
(d) Magnetic field
Answer:
The most suitable unit for expressing nuclear radius is
(a) Fermi
(b) Angstrom
(c) Micron
(d) Nanometre
Answer:
Pick out the only scalar quantity
(a) Magnetic momentum
(b) Average velocity
(c) Power
(d) Electric field
Answer:
Which of the following is a scalar quantity?
(a) Acceleration
(b) Work
(c) Displacement
(d) Electric field
Answer:
The distance between two crests in a wave in given by
(a) Wavelength
(b) Amplitude
(c) Wave number
(d) Wave velocity
Answer: