O Levels Biology (5090)•5090/11/M/J/23

Explanation
Identifying the correct sequence of points in a cycle diagram
Steps:
- Examine the cycle diagram to trace the sequential order of labeled points.
- Identify the starting point and follow the directional arrows or flow.
- List the points in the order they appear along the cycle path.
- Compare this sequence to the given options.
Why C is correct:
- Option C (V U X) matches the diagram's cycle path, following the standard definition of sequential order in cyclic processes.
Why the others are wrong:
- A: Z W X disrupts the cycle by including non-sequential points W and Z.
- B: X U Y reverses the flow and adds unrelated point Y.
- D: Z X Z repeats Z, violating the unique progression in a simple cycle.
Final answer: C
Topic: Nutrient cycles
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