Jamb Biology 1991 Past Questions and Answers

Question 26:

• JAMB 1991

Which of the following is a plant excretory product?

A. Oil
B. Cytokinin
C. Resin
D. Amino acids

Question 27:

• JAMB 1991

The movement of the whole organism to an external stimulus is termed

A. Tropism
B. A taxis
C. A nastic movement
D. A phototropic movement

Question 28:

• JAMB 1991

Which of the following vertebrae lacks a centrum?

A. Atlas
B. Axis
C. Thoracic
D. Lumbar

Question 29:

• JAMB 1991

The function of the epididymis in mammals is the

A. Expulsion of urine
B. Storage of sperms
C. Circulation of blood
D. Activation of sperms

Question 30:

• JAMB 1991

A collection of achenes formed from several carpels of a flower is

A. A multiple fruit
B. An aggregate fruit
C. A shizocarp
D. A simple fruit