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Which among the following is incorrect about different parts of the leaf?(a) Lamina contains veins and veinlets that transmit water to different regions of the leaf(b) Petiole is flexible thin structure that helps in fluttering of leaves in the air(c) Grass is an example of petiolate plants(d) Legumes have a swollen leaf base called PulvinusI have been asked this question in an international level competition.Question is taken from Flowering Plants Morphology topic in division Morphology of Flowering Plants of Biology – Class 11

Answer»

Correct option is (d) Legumes have a swollen LEAF BASE called Pulvinus

The explanation is: Lamina CONTAINS veins and veinlets that transmit water to different REGIONS of the leaf. Petiole is flexible thin structure that helps in fluttering of leaves in the air. Based on the presence or absence of petiole, plants are classified into petiolate and sessile respectively. SINCE petiole is absent in grass, it is considered to be sessile. Legumes have a swollen leaf base called Pulvinus.



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