HORTICULTURE

Detailed explanation-1: -The solar energy captured by the leaves is used to make food which is stored in the plant. All organisms are directly or indirectly dependent on plants for their food. Thus, the sun is the ultimate source of energy for all living organisms.

Detailed explanation-2: -The correct option is A True. Sun; the ultimate source of energy: Sun is the ultimate source of energy for all the organisms on earth. The energy from the sun is directly utilized by some organisms and other organisms depend on these organisms for their energy requirement.