Name the group of plants which has nitrogen fixing bacteria in the root nodules.
Leguminous plants such as pea, gram, bean etc have the nitogen fixing bacteria in their roots.
We know that many human activities lead to increasing levels of pollution of the air, water-bodies and soil. Do you think that isolating these activities to specific and limited areas would help in reducing pollution?
Write a note on how forests influence the quality of our air, soil and water resources.
What are the two things which are essential for all forms of life on the earth?
What is biosphere?
What are the physical components?
What is biotic component?
Does there exist any relationship between the climate and biotic components? If yes, explain with example.
What percentage of oxygen and nitrogen is present in the air?
Name the pollutants by which industries pollute air.
How is balance of carbon dioxide and oxygen maintained in the environment?
Mock Test Series
