Why do terrestrial life-form require fresh water?
The bodies of terrestrial organisms cannot tolerate the high amounts of dissolved salts present in saline water. So, they need fresh water for life processes like cellular reactions, transportation and excretion processes etc.
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?
What is the percentage of carbon dioxide in the atmosphere of Venus and Mars?
Mock Test Series
