Jamb Biology 2017 Past Questions and Answers

Question 11:

• JAMB 2017

Nitrogen is released into the atmosphere when ________

A. Plants absorbs mineral salt
B. Sugar is completely broken down
C. Through plant uptake
D. When lightning strike

Question 12:

• JAMB 2017

Size, colour and fingerprints are examples of ______

A. Physiological variation
B. Discontinuous variation
C. Morphological variation
D. Adaptive variation

Question 13:

• JAMB 2017

The level of organism in spirogyra and volvox is

A. Organ
B. System
C. Cell
D. Tissue

Question 14:

• JAMB 2017

Which of the following scenarios is an example of cohesion?

A. Water molecules stick to the surface of a mirror.
B. Water sticks to the walls of blood vessels.
C. Water molecules stay on the tip of a pine needle because the water is attracted to the surface of the needle.
D. Water molecules stick to one another and form a bead

Question 15:

• JAMB 2017

The common thing in plant and animal cell is

A. Chloroplast
B. Cell wall
C. Nucleus
D. Centrioles