JAMB Biology 2022 Objective — Question 2
Question 2 of 40 from the Joint Admissions and Matriculation Board (JAMB) Biology 2022 Objective paper, with the correct answer and a full explanation.
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In vascular plants, the sieve tubes and companion cells are present in the
- A. phloemCorrect
- B. cambium
- C. xylem
- D. cortex
Explanation
The phloem has four elements: sieve tubes, companion cells, phloem parenchyma and phloem fibres. Xylem, by contrast, comprises tracheids, vessels, xylem parenchyma and xylem fibres.
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