Which among the following is incorrect about different cells in Phloem?
A. Sieve tubes are tubular cells with perforated walls with large vacuoles, peripheral cytoplasm and without nucleus
B. Companion cells are specialized parenchyma cells that help in regulation of metabolic activities
C. Phloem parenchyma cells are elongated cylindrical cells that support sieve tubes
D. Phloem fibers are living cells with extremely thick cell walls and provide mechanical strength
Answer:D
Which among the following is incorrect about different cells in Phloem?
A. Sieve tubes are tubular cells with perforated walls with large vacuoles, peripheral cytoplasm and without nucleus B. Companion cells are specialized parenchyma cells that help in regulation of metabolic activities C. Phloem parenchyma cells are elongated cylindrical cells that support sieve tubes D. Phloem fibers are living cells with extremely thick cell walls and provide mechanical strength