Cellulose and starch can be classified as one of the following
Cellulose and starch can be classified as one of the following
- A) hydrocarbons
- B) sugars
- C) carbohydrates
- D) alkaloids
Correct Answer: C) carbohydrates
Explanation
Cellulose and starch are both classified as carbohydrates (Option C is correct). Carbohydrates are a group of organic compounds made up of carbon, hydrogen, and oxygen, and they are a major source of energy for living organisms.Carbohydrates can be divided into three main categories: monosaccharides, disaccharides, and polysaccharides. Monosaccharides are simple sugars, such as glucose and fructose. Disaccharides are formed when two monosaccharides bond together, like sucrose (table sugar) which is made up of glucose and fructose. Polysaccharides are complex carbohydrates formed from long chains of monosaccharides.
Both cellulose and starch belong to the polysaccharide category. They consist of long chains of glucose molecules, but they differ in the way these glucose molecules are bonded together. In cellulose, the glucose molecules are linked in a linear fashion, while in starch, they are linked in a branched fashion. This difference in structure affects their properties and roles in living organisms. Cellulose is a structural component found in the cell walls of plants, providing strength and rigidity. Starch, on the other hand, is a storage form of energy in plants and is an important source of carbohydrates in human diets.
It is important to note that hydrocarbons (Option A) are compounds containing only carbon and hydrogen atoms, sugars (Option B) are simple carbohydrates like monosaccharides and disaccharides, and alkaloids (Option D) are a group of naturally occurring organic compounds that mostly contain basic nitrogen atoms, often found in plants and used for their pharmacological effects.