NEET BIOLOGY

PLANT PHYSIOLOGY

PLANT GROWTH

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Why do seeds have tough, protective coverings? Choose the best answer.
A
so they can travel long distances without getting damaged
B
so they can survive the fall from a tree to the ground
C
so they can easily be digested by animals
D
to serve as camouflage
Explanation: 

Detailed explanation-1: -So they can travel long distances without getting damaged. So they can survive the fall from a tree to the ground.

Detailed explanation-2: -The outer covering of a seed is called the seed coat. Seed coats help protect the embryo from injury and also from drying out. Seed coats can be thin and soft as in beans or thick and hard as in locust or coconut seeds.

Detailed explanation-3: -The seed contains the embryo that will later grow into a new plant which ensures the continuation of the species.

Detailed explanation-4: -After flowers are pollinated and fertilized, they produce seeds in the ovary of the flower. ► Fruits are the fleshy substances that usually surround seeds. They protect the seeds and attract animals to eat them. This helps in seed dispersal.

Detailed explanation-5: -The seed plants are often divided arbitrarily into two groups: the gymnosperms and the angiosperms.

There is 1 question to complete.