Question : Which of the following is responsible for transport of food and other substances in plants ?
Option 1: Xylem
Option 2: Phloem
Option 3: Chloroplast
Option 4: None of these
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Correct Answer: Phloem
Solution : The correct option is Phloem.
Phloem is a complex plant tissue that transports organic materials, mostly sugars (such as sucrose) and other essential compounds like as amino acids, from the point of synthesis (typically the leaves) to other regions of the plant where they are required for growth, storage, or energy. This is referred to as translocation. The phloem tissue is made up of a variety of cell types: Sieve Tubes: These are the phloem's principal conducting cells. Companion Cells are specialised cells that live next to sieve tubes. Phloem Parenchyma: These cells store water and offer mechanical support to the phloem. Phloem Fibres: These cells help to sustain the phloem tissue structurally.
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Question : Which of the following transports water from the roots of the plant to its leaves?
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 : Water in plants is transported by :
Option 1: cambium
Option 2: phloem
Option 3: epidermis
Option 4: xylem
Question : Which of the following bacterium causes crown gall diseases in plants?
Option 1: Bacillus thurigiensis
Option 2: Agrobacterium tumefaciens
Option 3: Pseudomonas fluorescens
Question : Which of the following plays an important role in photosynthesis?
Option 1: Chloroplast
Option 2: Centrosome
Option 3: Tonoplast
Option 4: Nematoblast
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