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11th West Bengal Board
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Elongated, narrow fibre like sclerenchyma cells with tapered ends are called sclerenchyma fibres.

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Important Questions on Structural Organisation in Plants

HARD
11th West Bengal Board
IMPORTANT
A TEXT BOOK OF BIOLOGY CLASS 11>Chapter 4 - Structural Organisation in Plants>EXERCISE>Q 6
More or less short isodiametric sclerenchyma cells are called sclereids.
HARD
11th West Bengal Board
IMPORTANT
A TEXT BOOK OF BIOLOGY CLASS 11>Chapter 4 - Structural Organisation in Plants>EXERCISE>Q 7
Brachysclereids are bone-like elongated or barrel-shaped sclereids with swollen ends.
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11th West Bengal Board
IMPORTANT
A TEXT BOOK OF BIOLOGY CLASS 11>Chapter 4 - Structural Organisation in Plants>EXERCISE>Q 8
Xylem is a complex water-conducting tissue in vascular plants.
HARD
11th West Bengal Board
IMPORTANT
A TEXT BOOK OF BIOLOGY CLASS 11>Chapter 4 - Structural Organisation in Plants>EXERCISE>Q 9
Sieve tubes of phloem are dead cells.
HARD
11th West Bengal Board
IMPORTANT
A TEXT BOOK OF BIOLOGY CLASS 11>Chapter 4 - Structural Organisation in Plants>EXERCISE>Q 10
Phloem fibres are also called wood fibres.
MEDIUM
11th West Bengal Board
IMPORTANT
A TEXT BOOK OF BIOLOGY CLASS 11>Chapter 4 - Structural Organisation in Plants>EXERCISE>Q 11
Root hairs are multicellular
MEDIUM
11th West Bengal Board
IMPORTANT
A TEXT BOOK OF BIOLOGY CLASS 11>Chapter 4 - Structural Organisation in Plants>EXERCISE>Q 12
Lycopodium clavatum possess plectostele.
HARD
11th West Bengal Board
IMPORTANT
A TEXT BOOK OF BIOLOGY CLASS 11>Chapter 4 - Structural Organisation in Plants>EXERCISE>Q 13
Tubular stele with a central cylinder of parenchymatous pith is called siphonostele.