Question : Water in plants is transported by :
Option 1: cambium
Option 2: phloem
Option 3: epidermis
Option 4: xylem
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Correct Answer: xylem
Solution : The correct answer is Xylem.
Transport mechanism in plants is made up of xylem and phloem. Xylem carries water and minerals from roots to leaves and phloem transports food material i.e. sugar from leaves to the other parts of plants. Movement in xylem is unidirectional while in phloem it is bidirectional. Driving force behind the movement of water is transpiration of water from leaves and in phloem substances moves through diffusion, facilitated diffusion, osmosis and active transport.
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Question : Which of the following transports water from the roots of the plant to its leaves?
Option 1: Xylem
Option 2: Phloem
Option 3: Both xylem and phloem
Option 4: Cortex
Question : ____________part of xylem tissue in plants stores food.
Option 1: Vessels
Option 2: Xylem fibres
Option 3: Xylem parenchyma
Option 4: Tracheids
Question : Which of the following is responsible for transport of food and other substances in plants ?
Option 3: Chloroplast
Option 4: None of these
Question : Select the option that expresses the given sentence in passive voice.
They will not water the plants.
Option 1: The plants will not be watered by them.
Option 2: The plants will not be watered by us.
Option 3: The plants are not be watered by them.
Option 4: They shall not water the plants.
Question : The purest form of water is
Option 1: Tap water
Option 2: Rain water
Option 3: Ground water
Option 4: Distilled water
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