Which of the following lists of diseases, their causes and transmission is CORRECT?

Which of the following groups of factors is completely abiotic?

Which of the following is NOT regarded as a pollutant on land or in the air?

An anemometer is an instrument for measuring

Green plants are important in the ecosystem because they are

The process of soil erosion is usually from

Denitrifying bacteria in nature liberate gaseous nitrogen directly from

If a handful of soil is shaken with water and left to settle, the soil particles will settle from light to heavy particles as follows

<p class="q_question">Spirogyra reproduces vegetatively by</p>

1984 JAMB UTME Biology Past Questions