400 Level Biological Sciences Department exam questions and detailed answers. Download the answers in document format. Correct, detailed, and straightforward answers.

Questions:

a. Explain at least four ways each by which Nitrogen, Phosphorus and Carbon get into the soil.

b. Describe two Biological and two Non-Biological Methods of Nitrogen Fixation. Use diagrams where necessary.

 

CLICK THE LINK TO DOWNLOAD THE DETAILED ANSWER

Copyright warnings! Do not copy.