Q.19 Edaphic factor refers to

1. water

2. soil

3. relative humidity

4. altitude

 

Ans. (b) Edaphic factor refers to the soil like soil texture, background, mineral, its topography and pH value, etc.

Water, relative humidity, and altitude other abiotic components of an ecosystem but affect the climatic conditions hence are climatic factors. The variations in these factors affect the ecosystem and these factors are also the deciding factor of the different types of ecosystems found on earth.