How many plants in the given below are pollinated by water ?
Vallisneria , Zostera , water hyacinth , water lily , coconut , yucca , Hydria , Ficus

Options

A. 3
B. 5
C. 4
D. 6

Answer

To determine how many plants from the given list are pollinated by water, we will analyze each plant one by one:

1. **Vallisneria**: This is an aquatic plant that is known for its water pollination mechanism. It is classified as hydrophilic, meaning it relies on water for the transfer of pollen.

2. **Zostera**: Similar to Vallisneria, Zostera is also an aquatic plant that uses water for its pollination. It is also classified as hydrophilic.

3. **Water Hyacinth**: This plant is primarily pollinated by insects (entomophily) and sometimes by wind (anemophily), not by water.

4. **Water Lily**: Water lilies are also primarily pollinated by insects and not by water.

5. **Coconut**: Coconut palms are pollinated by insects, specifically by beetles, and not by water.

6. **Yucca**: Yucca plants are also pollinated by insects, particularly yucca moths, and do not rely on water for pollination.

7. **Hydrilla**: This is another aquatic plant that is pollinated by water, making it hydrophilic.

8. **Ficus**: Ficus plants are primarily pollinated by insects, particularly fig wasps, and do not utilize water for pollination.

Now, let's summarize the findings:
- Plants that are pollinated by water: **Vallisneria, Zostera, Hydrilla**.
- Plants that are not pollinated by water: **Water Hyacinth, Water Lily, Coconut, Yucca, Ficus**.

Thus, the total number of plants that are pollinated by water is **3**.

**Final Answer**: 3 plants are pollinated by water.