Jamb Biology 2023 Past Questions and Answers

Question 16:

• JAMB 2023

Which of the following statements is true regarding the urinary tubule in the excretory system?

A. The urinary tubule is responsible for the production of urine
B. The urinary tubule regulates the water and electrolyte balance in the body
C. The urinary tubule connects the kidneys to the bladder
D. The urinary tubule is the site of filtration of blood

Question 17:

• JAMB 2023

What is the primary function of the liver in the human body?

A. Regulation of body temperature
B. Regulation of blood pressure
C. Production of hormones
D. Detoxification and metabolism of nutrients and drugs

Question 18:

• JAMB 2023

Ecological succession refers to

A. The movement of organisms from one habitat to another
B. The competition among species for limited resources
C. The process of natural selection in a population
D. The gradual and predictable change in a community over time

Question 19:

• JAMB 2023

Which of the following options best describes adaptation for survival in organisms?

A. Adaptation is the inherited trait that increases an organism's chances of survival and reproduction in its environment
B. Adaptation is the process by which organisms acquire new characteristics during their lifetime
C. Adaptation refers to the ability of an organism to change its environment to better suit its needs
D. Adaptation involves the development of new traits in response to changes in the environment

Question 20:

• JAMB 2023

Digestive enzymes are responsible for

A. Breaking down food into smaller molecules
B. Absorbing nutrients into the bloodstream
C. Regulating the pH of the digestive tract
D. Transporting food through the digestive system