Identify the simple permanent plant tissue with the following descriptions and also mention their location in the plant body :
(a) Cells have irregular wall thickenings.
(b) Tissues with large inter-cellular spaces and cells having large air cavity.
(c) Cells are long, narrow and dead in nature.
CBSE Class IX Science SA 2 (3 Marks)
Answers
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(a) Collenchyma
(b) Aerenchyma
(c) Sclerenchyma
Location :
Collenchyma — leaf stalks below the epidermis
Aerenchyma — stem and leaves of aquatic plants
Sclerenchyma — hard part of the plant (seed coat, mid rib etc)
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Answer:
(a) collenchyma - present in leaf stalks below epidermis
(b) Parenchyma - Present in regions of leaves ,fruits, flowers
(c) Sclerenchyma- Present in hard part of plant
Explanation:
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