First slide
The Leaf
Question

Match Column I with Column II.

 Column I Column II
ALeaf tendriliVenus-fly-trap
BSpinesiiOnion
CFleshy leavesiiiCacti
DTrap leavesivPea

Choose the correct answer from the options given.

 ABCD
1iviiiiii
2iiiiviii
3iviiiiii
4iiiiivii

Easy
Solution

Leaf tendrils - leaf modification for providing mechanical support for climbing - Ex: Pea leaflets, Complete leaf of Lathyrus, Stipules of Smilax, leaf apex of Gloriosa, Petiole of Nepenthes.

Spines - modified leaf for defence or protection from grazing animals - Ex: Complete leaf as in cacti like Opuntia, leaf margin, apex and surface of Solanum xanthocarpum, leaf margin of Aloe, Stipules of Acacia arabica

Fleshy leaves - These leaves store food materials or water or both - Ex: Onion, Garlic, Cabbage, Aloe, Bryophyllum.

Trap leaves - leaves modified for attracting, catching, killing insects and digesting the protein part of it for nitrogenous requirement as seen in insectivorous or carnivorous plants - Lamina of Nepenthes, leaflet of Dionaea or Venus-fly-trap, lamina of Drosera and segments of lamina of Utricularia are modified as insect traps. 

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