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AIIMS 2007
Exam
AIIMS
Year
2007
Subject
Botany
Chapter
Morphology of Flowering Plants

AIIMS 2007 · Botany · Morphology of Flowering Plants

Velamen present in orchids helps in

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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