Jamb Biology 2023 Past Questions and Answers

Question 76:

• JAMB 2023

Which of the following is a primary source of pollution in aquatic ecosystems?

A. Soil erosion
B. Industrial discharge
C. Air pollution
D. Deforestation

Question 77:

• JAMB 2023

Which of the following mechanisms is responsible for providing support in plants?

A. Muscles and bones
B. Exoskeleton
C. Endocrine system
D. Cell walls and turgor pressure

Question 78:

• JAMB 2023

Metamorphosis is a biological process that involves

A. The growth and development of an organism from a zygote to an adult
B. The change in form and structure during the life cycle of certain organisms
C. The regeneration of lost body parts in an organism
D. The transformation of an organism from an adult stage to a larval stage