Which of the following trees is ideal for wind breaks?

Correct option is B

Windbreak trees must grow fast and tolerate wind. Casuarina has tall, straight growth with dense foliage.
It is widely used as windbreak in coastal and agricultural areas. It reduces wind speed and soil erosion.
Eucalyptus is more suitable for timber. Hence, Casuarina is ideal.
Therefore, option (b) is correct.