NEET BIOLOGY

Detailed explanation-1: -Calyx in the bud is the outer most covering and helps protect the bud.

Detailed explanation-2: -Sepal: The outer parts of the flower (often green and leaf-like) that enclose a developing bud.

Detailed explanation-3: -A sepal (/ˈsɛpəl, ˈsiːpəl/) is a part of the flower of angiosperms (flowering plants). Usually green, sepals typically function as protection for the flower in bud, and often as support for the petals when in bloom.

Detailed explanation-4: -A sepal is a part of the flower which is usually green in colour. They protect the flower in its bud form.

Detailed explanation-5: -Sepals protect both flowers and fruits by producing chemicals that would ward off predators. In some rare plant species, sepal serves as thorns and functions by protecting the flower. They form a protective cover for a flower at its bud stage as they cover around it until they are ready to bloom.