Question
What is the term used to describe the level of
population density at which control measures should be implemented to prevent a rising pest population from reaching the economic injury level?Solution
Explanation: The correct answer is B. Economic threshold level (ETL) refers to the population density at which control measures should be applied to prevent pest populations from reaching the economic injury level.
Nitrous Oxide (N2O) is also known as –
Which of the following is not the Ore of Aluminium?
Which of the following elements is a noble gas?
Which vitamin exists in the Cobalt  ?
Which mineral is the ore Of aluminium ?
Sphalerite is an ore/mineral of -
Which substance is present in green leaves to help in the process of photosynthesis?
Which fossil fuel is formed under earth by the decomposition of vegetable matter lying under water by anaerobic bacteria in the absence of oxygen?
Formation of Sodium Chloride is an example of
Carbohydrates are organic compounds composed of which elements?Â