Jamb Biology Past Questions and Answers

Question 1931:

• JAMB 2016

When a cell is placed in solution and the size of the cell increases, the concentration of solution is said to be

A. Isotonic
B. Dilute
C. Hypotonic
D. Hypertonic

Question 1932:

• JAMB 2016

Which of the following plant hormone is responsible for ripening of fruits?

A. Gibberellins
B. Abscisic acid
C. Ethylene
D. Cytokinins

Question 1933:

• JAMB 2016

The ability of a living organism to detect and respond to changes in the environment is referred to as

A. Locomotion
B. Taxis
C. Irritability
D. Growth

Question 1934:

• JAMB 2016

An example of an endospermous seed is

A. Been seed
B. Cashew nut
C. Cotton seed
D. Maize grain

Question 1935:

• JAMB 2016

Which of the following theories was NOT considered by Darwin in his evolutionary theory?

A. Variation
B. Survival of the fitest
C. Use and disuse
D. Competition