Class – IX CSCE TUTORIAL Science
Tissues
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What do you mean by the term Tissue?
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What are the three types of meristems?
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Which meristem is present at growing tips of stem and roots?
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Name the basic packing tissue of plant.
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Name the tissue present in soft parts of the plants like pith and cortex.
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Name the tissue found at the base of leaves.
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What leads to increase in the girth of stem?
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What feature helps aquatic plants to maintain buoyancy in Water?
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Name the parenchyma which contains chlorophyll.
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Name the tissue which is present in the veins of leaves.
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Walls of sclerenchymatous cells are thickened. What causes the thickening?
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Why epidermis of plants living in dry habitats is thicker?
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What is the function of waxy covering on epidermis of aerial parts of plants?
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Why are corks impervious to gases and water?
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What is bast ? Enlist its major features and functions.
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Write down the name of living cells of Xylem and Phloem.
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Which complex permanent tissue conducts materials in both directions?
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Which type of conducting tissues conduct water and minerals vertically?
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Name the dead element of phloem.
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What is the common name of:-
a) Xylem b) Phloem -
Which type of tissue is found at shoot apex? Name another part of the plant body where this type of tissue is found.
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Write a short note on different types of meristematic tissue with their location and function in plants.
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Show the diagrammatic representation of location of lateral meristem and intercalary meristem in plant body.
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What is the difference in aerenchyma and chlorenchyma.
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Write the functions of following chemical substances found in plant tissues:
(i) Lignin (ii) Cutin
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Water hyacinth floats on water surface. Explain.
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What are the functions of collenchyma in plants?
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What is the role of epidermis in plants?
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Answer the following :
(i) How is the epidermis of the plants living in very dry habitats adapted?
(ii)Write the functions of guard cells of stomata in the leaf.
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Why is epidermis present as a thick waxy coating of cutin in desert plants?
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Write a short note on vascular bundle.
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Name the components of Xylem and draw a living component.
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Draw a diagrammatic labeled sketch of stem tip to show location of merismatic tissue. Mention the function of different types of meristematic tissue.
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Name the tissue responsible for the flexibility in plants. How would you differentiate it from other permanent tissue?
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Describe three functions of protective tissue in plants.
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Differentiate between Sclerenchyma and Parenchyma tissue. Draw well labeled diagram.
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What are the characteristics of cork? How it is formed? Mention its role.
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Write a note on the protective tissue in plants.
