Post Utme University of llorin General Paper Past Questions and Answers

Question 166:

A glass bottle is filled with water, corked and kept in a freezer. After all the water is frozen, the bottle is found to have cracked. This is because;

A. Glass is a poor conductor of heat
B. The density of ice is less than that of water
C. Of the uneven contraction of the walls of the glass
D. Glass becomes weaker as the temperature decreases

Question 167:

The vacuole of plant cell is ____________

A. A large empty space
B. Surrounded by a membrane
C. Smaller than that of an animal cell
D. Filed with air

Question 168:

Human being need vitamins in their diet because vitamins ____________

A. Influence many important chemical processes in the body
B. Stimulate the alimentary canal
C. Prevent kwashiorkor
D. Digest proteins in the body

Question 169:

A photometer is used to determine the rate at which a shoot ____________

A. Absorbs water
B. Loses weight
C. Suck air bubbles
D. Transpires

Question 170:

Which of the following hormones is produced when an individual is in a state of fright or agitation?

A. Thyroxine
B. Adrenalin
C. Insulin
D. Oestrogen