Jamb Biology Past Questions and Answers

Question 366:

• JAMB 1984

In the Burret test, some protein was mixed with sodium hydroxide solution. Which of the following chemicals should be added to the mixture for a positive results?

A. Mercurous nitrates
B. Copper sulphate
C. Mercuric nitrate
D. Sodium carbonate
E. Ammonium hydroxide

Question 367:

• JAMB 1984

The removal of a man’s pancreas by surgical operation can affect only the digestion of

A. Starch
B. Starch, protein and fats
C. Oils and fats
D. Proteins
E. Carbohydrates and fats

Question 368:

• JAMB 1984

The parts used by the tapeworm to fasten itself to the host’s intestine are the

A. Neck and suckers
B. Hooks and suckers
C. Rostellum and suckers
D. Young proglottis and neck
E. Rostellum, hooks and suckers

Question 369:

• JAMB 1984

Which of the following types of vertebrae occur in equal numbers in the rabbit, rat and man?

A. Caudal
B. Thoracic
C. Lumber
D. Cervical
E. Sacral

Question 370:

• JAMB 1984

Which of the following statements is NOT true of the piliferous layer of root? It

A. Has a very thin cuticle
B. Is the outermost layer of the cortex
C. May bear root hairs
D. Breaks down as the root ages
E. Is replaced by cork in old roots