Post Utme Biology Past Questions and Answers

Question 186:

Osmosis can be defined as diffusion of ____________

A. Atoms and molecules through a membrane to an area of higher concentration
B. Water molecules for a dilute solution to a concentrated solution across a permeable membrane
C. Water molecules from area of high concentration to an area of low concentration
D. Water molecules from a dilute solution to a concentrated solution through a semi-permeable membrane
E. Perspiration and excretion

Question 187:

The movement of diaphragm is a characteristic of gaseous exchange in ____________

A. Insect
B. Fish
C. Toad
D. Mammal
E. Plants

Question 188:

In cellular respiration, energy is stored in the form of ____________

A. Adenosine diphosphate (ADP)
B. Adenosine mono phosphate (AMP)
C. Adenosine triphosphate (ATP)
D. Heat energy
E. Electrical energy

Question 189:

The medium in which dissolved nutrient are transported in the body of vertebrates is called ____________

A. Latex
B. Urine
C. Cell sap
D. Blood
E. Haemoglobin

Question 190:

Which of the following structures of the leaf contains air?

A. Guard cell
B. Palisade layer
C. Intercellular space
D. Vascular bundle
E. Upper epidermis