Question
With respect to integrated pest management the threshold
level means:Solution
The economic threshold Level (ETL) is the population density at which control measures should be determined to prevent an increasing pest population from reaching the Economic injury level.
When Hydrogen starts burning in air it produces?
Which of the following is the major constituent of LPG?Â
Which of the following is used to increase the antiknocking property of petrol?
The Bhopal tragedy was caused by the gas
Which of the following is an iron ore ?Â
Which mineral is the ore Of aluminium?
Ozone layer is present in
The chiefsource for the production of nitrogeneous fertilizers is :Â
Which of the inert gases can form compounds?
The gas that usually causes explosions in coal mines is