Question : Nitrification is the biological process of converting.

Option 1: Nitrogen into nitrate

Option 2: Nitrogen into nitrite

Option 3: Ammonia into Nitrite

Option 4: Ammonia into NItrogen

Question : Which of the process is known as nitrification ?

Option 1: Reaction of nitrogen Monoxide with oxygen to form nitric acid

Option 2: Reaction of nitrogen dioxide with water to form nitric acid

Option 3: Conversion of ammonia to nitrites

Option 4: Conversion of nitrite to nitric oxide

Question : Which of the following gases is known as "laughing gas"?

Option 1: Nitrous oxide

Option 2: Nitrogen peroxide

Option 3: Nitrogen

Option 4: Nitric oxide

Question : The elements known as primary nutrients for plants are:

Option 1: nitrogen, phosphorus and potassium

Option 2: nitrogen, oxygen and silicon

Option 3: potassium, boron and nitrogen

Option 4: nitrogen, phosphorous and iron

Question : Nitrogen fixation is a process of

Option 1: assimilation of nitrate

Option 2: utilisation of nitrogen gas

Option 3: conversion of organic nitrogen to proteins

Option 4: conversion of molecular nitrogen to ammonia