QuestionBotany / adaptations
Pneumatophores are specialized structures for:
- (a) maintaining turgor pressure in cells.
- (b) providing physical support to plants in marshy lands.
- (c) oxygen inhalation by plants.
- (d) carbon dioxide release during photosynthesis.
Answer: (c) oxygen inhalation by plants.
Pneumatophores are negatively geotropic breathing roots of mangroves (Avicennia, Rhizophora). Waterlogged mud lacks oxygen, so these roots rise above the surface and take in air through lenticels. Prop/stilt roots give support, not pneumatophores.