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JAMB Biology 2012 Objective — Question 19

Question 19 of 50 from the Joint Admissions and Matriculation Board (JAMB) Biology 2012 Objective paper, with the correct answer and a full explanation.

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Use the diagram below to answer questions 19 and 20. Transportation in the xylem is represented by

Diagram for question 19
  • A. I
  • B. II
  • C. III
  • D. IVCorrect

Explanation

The xylem transports water and mineral salts from the soil upwards (as shown by 'IV'). The phloem transports food substances from the leaf to other parts of the plant (as shown by 'I').

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