Jamb Biology 2020 Past Questions and Answers

Question 21:

• JAMB 2020

The ability of the eyes to focus on both near and distance objects is termed

A. Image formation
B. Refraction
C. Hypermetropia
D. Accommodation

Question 22:

• JAMB 2020

A group of organism of different species living in a particular area is described as a

A. Colony
B. Community
C. Population
D. Niche

Question 23:

• JAMB 2020

The biological association that contributes directly to succession in a community is

A. Competition
B. Predation
C. Parasitism
D. Commensalism

Question 24:

• JAMB 2020

Floating microscopic heterotrophs are mostly grouped as

A. Phytoplankton
B. Zooplankton
C. Microbes
D. Nekton

Question 25:

• JAMB 2020

Vaccination is carried out in order to

A. Check the production of poison
B. Increase the activities of white blood cells
C. Increase the number of red blood cells
D. Stimulate the production of anti-bodies