Post Utme Ahmadu Bello University Biology Past Questions and Answers

Question 16:

Soil micro-organisms are beneficial because of their involvement in ____________

A. Photosynthesis
B. Translocation
C. Cycling of nutrients
D. Respiration using soil air

Question 17:

One of the ways in which body eel Is differ from gamete cells is in the ____________

A. Type of centromeres they contain
B. Number of chromosomes pair they contain
C. Type of chromatids they contain
D. Number of chromosomes they contain

Question 18:

In the blood transfusion. Agglutination occurs when ____________

A. White blood eel Is from two individuals meet
B. Two different antibodies meet
C. Two different antigens meet
D. Contrasting antigens and antibodies meet

Question 19:

The richest sources of vitamin A are ____________

A. Palm oil and groundnut oil
B. Palm oil and carrots
C. Rice and groundnut oil
D. Oranges and carrots

Question 20:

Yellowing of leaves is a symptom associated with deficiency of ____________

A. Iron, calcium and magnesium
B. Nitrogen, sulphur and potassium
C. Sulphur, phosphorous and iron
D. Magnesium, nitrogen and iron