ANIMAL PHYSIOLOGY
NERVOUS SYSTEM
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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the bacteria needed for nitrogen fixation in root nodules
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the wax required to coat the surface of actively growing tissue
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the water and minerals that are absorbed by the roots
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the oxygen that regulates the rate of carbohydrate production
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Detailed explanation-1: -Xylem tissue transports water and nutrients from the roots to different parts of the plant, and also plays a role in structural support in the stem. Phloem tissue transports organic compounds from the site of photosynthesis to other parts of the plant.
Detailed explanation-2: -The shoot system consists of the stems and leaves of the plant. More specifically, it includes the nodes, internodes, axillary buds, terminal bud and leaves. The leaf has four parts as well, the stalk, blade, veins and petiole. Each part works to keep the plant alive and functioning properly.
Detailed explanation-3: -Xylem transports water, minerals, and nutrients from the soil to all the plant parts. There are two types of “transport” tissues in plants-xylem and phloem. Water and solutes are transported by the xylem from the roots to the leaves, and food is transported from the leaves to the rest of the plant by the phloem.
Detailed explanation-4: -The vascular system is comprised of two main types of tissue: the xylem and the phloem. The xylem distributes water and dissolved minerals upward through the plant, from the roots to the leaves. The phloem carries food downward from the leaves to the roots.