JAMB Biology Past Questions & Answers - Page 396

Leguminous plants, e.g Mucana, are usually planted in cultivated farmlands because they

if three 30 cm lengths of glass tubes are tightly packed with clay, sand and loamy soils respectively and then stood in a beaker of water for one week, the level of water will be 

The tips of some rice seedlings were cut off while some were left intact. Both were covered with a container which had not only one small hole to allow light through. After twenty-four hours it was observed that

An organism X lives entirely on the waste products in another organism Y. In this association X is a

A student trying to find out the order in which organisms appear on a cleared plot is studying one of the following