40. Which of the following is a characteristic of the Pinus secondary phloem? * compose of multilayered phloem rays O compose of sieve cells and albuminous cells O fibers are present for support O...

Instructions: MULTIPLE CHOICE

Only choose the correct answer from questions 37 to 42 and no need for an explanation.

Extracted text: 40. Which of the following is a characteristic of the Pinus secondary phloem? * compose of multilayered phloem rays O compose of sieve cells and albuminous cells O fibers are present for support O annual rings are absent 41. Which of the following controls the movement of water and minerals into the vascular column of a root? * O endodermis O spongy mesophyll stomata vascular cambium 42. Which of the following tissues comprise the pericyle of the roots? * endodermal cells meristematic cells parenchyma sclerenchyma


Extracted text: 37. Which is a characteristic of the early wood? * wood made during the drier days of the summer compose of small diameter vascular tissue with large thin walled conducting cells conducting cells have thicker walls 38. The origin of the phellogen in the actively dividing cortical tissue of a perennial stem. * secondary xylem secondary phloem phelloderm bark 39. Which of the following is not a characteristic of the phelloderm? * Storage function O protective function O photosynthetic O meristematic