O-LevelBiologyCoordination & Response5090/11 · May/June 2024 · Q231 Mark

Which statement describes the roles of components of the nervous system?

AEffectors respond to environmental changes and send impulses to the central nervous system (CNS).

BParts of the central nervous system (CNS) can only transmit impulses to a single effector at a time.

CParts of the peripheral nervous system (PNS) carry impulses to effectors and receptors from the central nervous system (CNS).

DReceptors respond to environmental changes and send impulses to the central nervous system (CNS).

✓ Correct answer

D: Receptors respond to environmental changes and send impulses to the central nervous system (CNS).

Oracle Prep sorts past-paper questions by topic, so you can drill Coordination & Response and see which topics are most likely to come up next.

Topic: Coordination & Response, O-Level Biology (syllabus 5090). Multiple choice, 1 mark.
Source: O-Level Biology, May/June 2024 Paper 1 Variant 1, question 23.

Questions and mark schemes are from past examination papers and remain the copyright of the exam board. How Oracle Prep builds its content