Question

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On the basis of origin and development, structure and form the
sclerenchyma in plants may be either fibres or sclereids,
Differentiate between fibres and sclereids
Carries 2 marks
Class 11 CBSE

Answer 1

Explanation:

sclereid = #these are small dead cells.

#theres cellwall is very thik and

terminals are very thik.

#various types in shape --( round,egg

shape,..).

#there are find pits and lumen of cells

is small.

# sclereid generally find in tea leaf, pear

guava.

sclerenchymatous fibres =

# these are the longest cells.

# fibres contain thik cellwall, sharped,

nd made of dead cells.

# they are generally found in groups

in various parts of plants.

# there are 2 types of fibrere

1. Surface fibre (filling fibre)

2. Bast fibre (extra xylary)

Answer 2

$\huge{\underline{\underline {\mathtt{\purple{Hola}\pink{Mate}}}}}$

$\Large\bold\blue{Fibres:}$

◇ Long cells

◇ Narrow, Elongated pointed ends

◇Occurs in bundles

◇ Commonly unbranched

◇ Derived directly from meristematic tissues

$\Large\bold\blue{Scelreids:}$

◇ Short cells

◇ Usually short and broad

◇ Occurs individually or in small group

◇ May be branched

◇ Develops from secondary sclerosis parenchyma cells

$\Large\fbox\red{Mark \: As \:Brainliest}$