Read before you practise · 2 min
Read How Plants Exchange Gases Without Lungs
Plants have no single respiratory organ: tissues exchange gases directly with surrounding air or water.
NSEJS · Respiration in Plants · 1 linked question · 100% coverage
Know this first
Living-system questions are solved by matching a structure or organism to its function, process and stated condition.
Structure · The part being namedFunction · What that part doesCondition · The situation that changes the answer
Study deeper: NCERT Science · Respiration in Plants
Match exchange to the plant part
Leaves exchange through stomata, stems through lenticels and roots through soil air spaces. Each part largely meets its own gas-exchange needs by diffusion.
OlympIQ exam lens
- ✓Plants respire, but not with animal-style lungs.
- ✓Different plant parts exchange gases locally.
OlympIQ trap
Stomata and lenticels are exchange structures, not a central respiratory organ.
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