NEET2007BotanyMorphology of Flowering PlantsActual
The ability of the venus flytrap to capture insects is due to
Options
- Achemical stimulation by the prey
- Ba passive process requiring no special ability on the part of the plant
- Cspecialized "muscle-like" cells
- Drapid turgor pressure changes
Correct answer
D. rapid turgor pressure changes
Step-by-step solution
Insectivorous plants grow in water logged swampy soils, deficient in nitrogenous compounds. These plants obtain their nitrogen compounds from the insects. Due to this reason, these plants are called as semi-autotrophic or semi-heterotrophic. Dionea (an insectivorous plant) is commonly called as venus fly trap. Leaves of this plant have winged petiole and lamina modified into two toothed jaws. Each jaw bears several teeth. Upper surface of each jaw bears triangularly arranged long sensitive hairs or bristles and man