The examples (s) of modified leaves are
1. tendrils of pea
2. spines of cacti
3. pitcher of the pitcher plant
4. all of the above.
The tendrils of pea are
(1) Example of stem modification which are useful in climbing
(2) Example of leaf modification for climbing
(3) Example of leaf modification for defence
(4) Example of stem modification for defence
Modification of leaves is
(1) Thorn in citrus
(2) Thorn in Bougainvillea
(3) Spine in cactus
(4) Spine in pea