Q4 / 180 · AIIMS 2007 · Botany

Velamen present in orchids helps in

  • A
    absorption of nutrients from host plant
  • B
    respiration
  • Correct answer
    C
    absorption of moisture from air
  • D
    synthesising food.

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.

Hence, the correct answer is option: 'C'.

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