SSC MTS EXAM

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 Sun is a light source because it releases energy from inside itself. The Moon isn’t a light source. It doesn’t produce energy inside itself, and instead just reflects light from the Sun.