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11th West Bengal Board
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The subaerial stem of water hyacinth is called runner.

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Important Questions on Structural Organisation in Plants

EASY
11th West Bengal Board
IMPORTANT
A TEXT BOOK OF BIOLOGY CLASS 11>Chapter 4 - Structural Organisation in Plants>EXERCISE>Q 18
The axillary bud metamorphoses into a hard, sharp, pointed structure called modified aerial thorn.
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11th West Bengal Board
IMPORTANT
A TEXT BOOK OF BIOLOGY CLASS 11>Chapter 4 - Structural Organisation in Plants>EXERCISE>Q 19
The stem of phanimanasha is called phylloclade.
MEDIUM
11th West Bengal Board
IMPORTANT
A TEXT BOOK OF BIOLOGY CLASS 11>Chapter 4 - Structural Organisation in Plants>EXERCISE>Q 20
Phylloclade is a modified petiole.
MEDIUM
11th West Bengal Board
IMPORTANT
A TEXT BOOK OF BIOLOGY CLASS 11>Chapter 4 - Structural Organisation in Plants>EXERCISE>Q 21
Free lateral stipules are noted in china rose plant.
EASY
11th West Bengal Board
IMPORTANT
A TEXT BOOK OF BIOLOGY CLASS 11>Chapter 4 - Structural Organisation in Plants>EXERCISE>Q 22
A leaf with petiole is called sessile.
MEDIUM
11th West Bengal Board
IMPORTANT
A TEXT BOOK OF BIOLOGY CLASS 11>Chapter 4 - Structural Organisation in Plants>EXERCISE>Q 23
Reticulate venation is noted in most of the monocotyledonous plants.
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11th West Bengal Board
IMPORTANT
A TEXT BOOK OF BIOLOGY CLASS 11>Chapter 4 - Structural Organisation in Plants>EXERCISE>Q 24
Parallel venation is noted in most of the dicotyledonous plants.
MEDIUM
11th West Bengal Board
IMPORTANT
A TEXT BOOK OF BIOLOGY CLASS 11>Chapter 4 - Structural Organisation in Plants>EXERCISE>Q 25
Heterophylly is noted in the plant Sagittaria.