Detritus food chain begins with.....
Live organic matter
Dead organic matter
Live inorganic matter
Dead inorganic matter
A farmer harvests his crop and expresses his harvest in three different ways.
$(a)$ I have harvested $10$ quintals of wheat.
$(b)$ I have harvested $10$ quintals of wheat today in one acre of land.
$(c)$ I have harvested $10$ quintals of wheat in one acre of land, 6 months after sowing.
Do the above statements mean one and the same thing. If your answer is yes, give reasons. And if your answer is ‘no’ explain the meaning of each expression.
Which one of the following is not a function of an ecosystem?
The agent/s which make/s free atmospheric nitrogen available to plants is/are
The phosphates remain outside the natural cycle for a long time
Which one of the following ecosystems is more productive in terms of carbon dioxide fixation