Name the fungi which is used to treat polluted areas where there is high levels of nitrogen compounds ?
Salmonella
Nitrosomonas Europaea
Nosocoma
Shigella
Which is the chief component of natural gas ?
Methane
Propane
Ethane
Butane
Which one is an exmaple for liquid biofuel ?
Bio alcohol
Bio ethers
Bio diesel
All of above
Most of the forests are seen in
Areas with sufficient water
Areas with water scarcity
Both
Areas with less sunlight availability
Which of the following changes occur in pond water during summer?
Decrease in oxygen content
Increase in oxygen content
Decrease in salt content
Increase in the number of diatoms
How much percentage of world population inhabit India?
2.4%
3.28%
16.7%
1.2%
Stagnant water is seen in
Ponds
Lakes
Sea
Which is an example for Non - renewable source ?
Hydrogen
Wind
Coal
Solar energy
Pick the odd one out ?
Cholera
Dysentry
Typhoid
Scabies
Which one is an example for water - based diseases ?
Tuberculosis
Schistosomiasis
Measles
