Which of the following is the reserve food material in case of animals ?

Glycogen

The correct answer is Option (3) – Glycogen

The reserve food material in animals is: Glycogen

Glycogen is the primary storage form of glucose in animals, serving as a reserve energy source. It is primarily stored in the liver and muscles. When energy is needed, glycogen can be rapidly broken down into glucose to provide a quick source of energy for cellular processes.