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DAILY FREE MCQ CHALLENGE for Pre-Medical Entrance Preparation
Question
A plant in which petiole is modified into a flat green and photosynthetic structure:
A. Acacia
B. Hydrilla
C. Opuntia
D. Casuarina
NOTEImportant Question from NEET
See Explanation Here
Leaves are often modified to perform functions other than photosynthesis. They are converted into tendrils for climbing as in peas or into spines for defence as in cacti. The fleshy leaves of onion and garlic store food. In some plants such as Australian acacia, the leaves are small and short-lived. The petioles in these plants expand, become green and synthesise food. Leaves of certain insectivorous plants such as pitcher plant, venus-fly trap are also modified leaves.
References
NCERT Biology Text, Class: XI, Unit II: Structural Organisation in Plants and Animals, Chapter 5: Morphology of Flowering Plants, Page no: 71.
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