Question

In Zostera, the marine angiosperm, the pollen grains are long ribbon-like and without exine. They have same specific gravity as that of water. How is this feature helpful in their pollination?

• A. The pollen grains become un wet table
• B. The pollen grains spread over large and they are lighter
• C. The pollen grains can float below the surface of water
• D. None of the above

Answer 1

Answer: (C)

In Zostera. the marine angiosperm, the pollen grains are long ribbon-like and without exine. They have some specific gravity as that of water. The pollen grains can therefore, float below the surface of water. This helps in their pollination.