⭐ PRACTICE QUESTION & ANSWER

Q.1. What are lipids? Define.

Ans. The lipids are a heterogeneous group of organic compounds present in plant and animal tissues and related either actually or potentially to the fatty acids and chemically they are various types of esters of different alcohols.

Q.2. What are Bloor’s criteria for a substance to be called a lipids?

Ans. Bloor gave the following criteria for a substance to be called as lipid:

• Insoluble in water
• Soluble in one or more organic solvents such as ether, chloroform, Benzene, acetone etc, so called “fat solvents”.
• Related to fatty acids as ester either actual or potential
• Possibility of utilization by living organisms.