B) root hairs C) sieve tubes D) xylem E) companion cells Answer: A Topic: 31.5 Skill: Factual Recall
14) The cells that store starch in dicot roots are located between the A) xylem rays within the vascular cylinder. B) xylem and the phloem. C) epidermis and the root hairs. D) epidermis and the vascular cylinder. E) epidermis and the cortex. Answer: D Topic: 31.5 Skill: Factual Recall
15) In general, plant dermal tissues are found A) at the surface of plant organs. B) near the center of the plant stems and roots. C) lining the vascular tissue. D) throughout the plant body. E) only in plants that have secondary growth. Answer: A Topic: 31.5 Skill: Factual Recall
16) Which of the following statements is false? A) The ground tissue system of a leaf is called the mesophyll. B) Each vein in a leaf is composed of either xylem or phloem, but not both. C) The veins in a leaf are continuous with the veins of a stem. D) The pith of a stem is often important in food storage. E) Tissues that are neither dermal nor vascular are known as the ground tissue system. Answer: B Topic: 31.5 Skill: Factual Recall
17) Which of the following structures is found in both plant and animal cells? A) chloroplasts B) mitochondria C) a large central vacuole containing fluid D) cell wall surrounding the plasma membrane E) middle lamella
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