RE-NEET2024Botany-Phloem
RE-NEET 2024 Botany Phloem MCQ Question
Type: MCQ-fact-Easy-Class 11
Which of the following helps in maintenance of the pressure gradient in sieve tubes?
A
Albuminous cells
B
Sieve cells
C
Phloem parenchyma
D
Companion cells
Correct Answer
Option D
Detailed Explanation
Companion cells help maintain the pressure gradient in sieve tubes by loading and unloading sugars, which facilitates the flow of sap.
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