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. 

Answer

a

Explanation

Farmers expression for his crop harvestation (a) he has harvested 10 quintal of wheat. (b): He has harvested 10 quintais of wheat in one acre of land (c). six. months after sowing mean one and the same thing. Because crop an artificial ecosystem can be prepared with inclusion of bitoic and abiotic component in a given area. 
Here abiotic components like water. is given by the farmer. while climatic factor like light. humidity. air is supplied naturally. The living component is wheat plant. which are obtained on harvestation by farmer.