Post Utme Ebonyi State University Biology Past Questions and Answers

Question 16:

\(5 \mathrm{~cm}^{3}\) dilute sodium hydroxide solution and \(5 \mathrm{~cm}^{3}\) one percent copper sulphate solutions are added to a solution of food specimen. The purple colour which is observed shows the presence of ____________

A. Glucose
B. Starch
C. Fat
D. Protein

Question 17:

The blood vessel which carries blood from the alimentary canal to the liver is the ____________

A. Hepatic artery
B. Hepatic vein
C. Hepatic portal vein
D. Mesenteric artery

Question 18:

In the absence of oxygen, the pyruvic acid produced during glycolysis is converted to \(\mathrm{CO} 2\) and ____________

A. Water
B. Glycerol
C. Ethanol
D. Citric acid

Question 19:

The excretory organ in insects is the ____________

A. Kidney
B. Malpighian tubule
C. Flame cell
D. Nephridium

Question 20:

Nitrogen-fixing micro-organisms in leguminous plants live symbiotically in the ____________

A. Root nodules
B. Tap roots
C. Branch
D. Root hairs