Multiple choice

Which of the given plants utilises its body surface for the intake of oxygen dissolved in the air?

  1. Mangroves

  2. Hydrilla

  3. Water lily

  4. Water hyacinth

  5. Lotus

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Tape grass, pond weed and hydrilla are underwater plants which can take carbon dioxide from the water around them and give out oxygen. Their leaves have no pores or stomata. So, the oxygen dissolved in the air is taken in through their body surface.