Jamb Biology 2023 Past Questions and Answers

Question 21:

• JAMB 2023

Which of the following is a difference between plant and animal cells?

A. Plant cells have a nucleus, while animal cells do not
B. Plant cells have a cell membrane, while animal cells have a cell wall
C. Plant cells contain chloroplasts for photosynthesis, while animal cells do not
D. Plant cells have a central vacuole, while animal cells have multiple small vacuoles

Question 22:

• JAMB 2023

Which of the following structures in the ear is responsible for transmitting sound vibrations to the auditory nerve?

A. Eardrum
B. Ossicles
C. Cochlea
D. Auditory canal

Question 23:

• JAMB 2023

Which of the following is an example of a microorganism in action as a disease vector?

A. Fungi decomposing dead plant material
B. Mosquito transmitting malaria
C. Bacteria causing food poisoning
D. Algae producing oxygen through photosynthesis

Question 24:

• JAMB 2023

Which of the following is a characteristic of cells related to irritability?

A. Ability to respond to stimuli
B. Ability to synthesize proteins
C. Ability to generate energy
D. Ability to replicate DNA

Question 25:

• JAMB 2023

The membrane around the vacuole is known as

A. Elaioplast
B. Amyloplast
C. Tonoplast
D. Cytoplast