UPSC CAPF AC 2020 Paper

Acacia trees have long shallow root system which help stabilise the soil in areas threatened by erosion, enables it to find moisture and tolerate extreme drought conditions. Hence, statement (1) is correct. They are protected by long, sharp thorns that prevent the water loss and they also have an extremely unpleasant flavor that discourages animals from eating the leaves and bark. Hence, statement (2) is correct.
It has wide crown so the foliage can absorb the maximum sunlight. The foliage is typically bright green or bluish-green and the small blooms may be creamy white, pale yellow or bright yellow. Hence, statement (3) is correct.