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NEET2005BotanyMorphology of Flowering PlantsActual

The ability of the Venus fly trap to capture insects is due to:

Options

  1. Aspecialized "muscle-like" cells
  2. Bchemical stimulation by the prey
  3. Ca passive process requiring no special ability on the part of the plant
  4. Drapid turgor pressure changes.

Correct answer

D. rapid turgor pressure changes.

Step-by-step solution

When a fly sits on the leaf of venus fly trap, there are touch-sensitive hairs that trigger an electrical potential. This potential cause several changes which result in the movement of ions inside the cells of the leaf. Inflow of water in the cells follows which results in their becoming turgid. This causes the shutting of the trap. Related Theory The Venus fly trap is a carnivorous flowering plant. The trap is made of two hinged lobes at the end of each leaf. On the inner surfaces of the lobes are hair-like proje

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