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NEET2007BotanyMorphology of Flowering PlantsActual

Velamen present in orchids helps in

Options

  1. Aabsorption of nutrients from host plant
  2. Brespiration
  3. Cabsorption of moisture from air
  4. Dsynthesising food.

Correct answer

C. absorption of moisture from air

Step-by-step solution

Some epiphytes eg., orchids have aerial roots. In these roots, the outer covering is made up of a spongy tissue called velamen which absorbs moisture from the air. Thus, the aerial plant can prepare food by photosynthesis.

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