Related Questions

There are certain bacteria which can fix atmospheric gas named
A Oxygen
B Nitrogen
C Hydrogen
D Carbon dioxide
Which of the following organisms fix nitrogen in aquatic ecosystems?
A Fungi
B Chemoautotrophs
C Cyanobacteria
D Phytoplankton
The type of crop which is able to fix nitrogen from air is known as
A Legume
B Rice
C Tuber
D Potato
Atmospheric pollution caused by the exhaust gas of supresonic transport air-crafts is mostly in the atmospheric region called
A Thermosphere
B Stratosphere
C Troposphere
D Mesosphere
The latent heat of steam at pressures greater than atmospheric in comparison to latent heat at atmospheric pressure is
A Less
B More
C Equal
D May be less or more depending on temperature
Very small amount of air pollutants are present in stratosphere also; though most of the atmospheric pollutants are present in the troposphere. Which of the following atmospheric pollutants does not cause the ozone layer depletion in atmosphere at tremendous rate?
A CO
B SO2
C NOx
D CFC (chloro fluoro carbons)
A compressor that takes suction at a pressure below atmospheric and discharge against atmospheric pressure is called a __________ pump.
A Sump
B Volute
C Vacuum
D Submerged
Symbiotic Bacteria responsible for the fixation of atmospheric nitrogen are present in
A peas
B wheat
C corn
D oats
Ionisation energy of nitrogen is greater than that of oxygen because nitrogen has
A High bond dissociation energy
B Smaller atomic radius
C Stable half filled 2p sub level
D High nuclear charge
Through nitrogen fixation process nitrogen in the atmosphere is converted into
A Ammonium
B Hydroxide
C Nitrate
D Chlorite

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