NEET BIOLOGY

Detailed explanation-1: -Cactus is a desert plant. They store water in the fleshy stems of the plant.

Detailed explanation-2: -Succulent plants store water in fleshy leaves, stems or roots. All cacti are succulents, as are such non-cactus desert dwellers as agave, aloe, elephant trees, and many euphorbias. Several other adaptations are essential for the water storing habit to be effective.

Detailed explanation-3: -Cacti are succulent plants, i.e., they store water in their fleshy tissues on depend on this stored water for photosynthesis.

Detailed explanation-4: -One of the most obvious benefits of cactus spines is that they keep predators away. Lots of desert herbivores love chomping on cacti. Many herbivores will even break apart cacti and take mouthfuls of the spongy inside just to get at the water stored inside.