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Byju's Answer
Standard VII
Biology
Leaf Structure: Arrangement and Venation
Which of thes...
Question
Which of these are the different shapes of leaf blades?
A
Whorled
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B
Palmate
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C
Lanceolate
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D
Obovate
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Solution
The correct options are
B
Palmate
C
Lanceolate
D
Obovate
Shapes of leaves can vary, they can be round or obovate, palmate, lanceolate or linear.
(a)Obovate: Narrow at the base
(b) Palmate: Blades with five or more lobes whose midribs are connected to a single point.
(c) Lanceolate: Narrow, oval and pointing blades at both ends
(d) Linear: Long slender blades
Whorled is the arrangement of more than 2 leaves at a single node in the stem.
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Standard VII Biology
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