Post Utme Biology Past Questions and Answers

Question 221:

Pepsin is a digestive enzyme which breaks ____________

A. Sucrose into glucose and fructose
B. Carbohydrates into simple sugars
C. Protein into peptones
D. Fats into glycerol and fatty acids

Question 222:

The ability of organisms to maintain a constant internal environment is known as ____________

A. Diuresis
B. Endosmosis
C. Plasmolysis
D. Homeostasis

Question 223:

The relationship between a herbivore and the bacteria which live in their caecum is known as ____________

A. Parasitism
B. Symbiosis
C. Commensalism
D. Saprophytism

Question 224:

Loam is the best type of soil for crop production because ____________

A. It has a high percentage of clay which prevents leaching
B. It has high humus content
C. It is porous and has good water retention capacity
D. Gravels which obstructs implements are absent from it

Question 225:

Which of the following can be considered as a direct evidence of evolution?

A. Comparative embryology
B. Classification
C. Comparative anatomy
D. Fossil recorded by