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Carbohydrates: The Energy Source of Life

Description: Carbohydrates: The Energy Source of Life
Number of Questions: 15
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Tags: carbohydrates energy source chemistry
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Which of the following is NOT a carbohydrate?

  1. Glucose

  2. Fructose

  3. Starch

  4. Protein


Correct Option: D
Explanation:

Proteins are not carbohydrates. They are made up of amino acids, while carbohydrates are made up of sugars.

What is the chemical formula of glucose?

  1. C6H12O6

  2. C12H22O11

  3. C18H32O16

  4. C24H42O21


Correct Option: A
Explanation:

The chemical formula of glucose is C6H12O6.

Which of the following is a polysaccharide?

  1. Glucose

  2. Fructose

  3. Starch

  4. Sucrose


Correct Option: C
Explanation:

Starch is a polysaccharide, which is a complex carbohydrate made up of many sugar units.

What is the primary function of carbohydrates in the body?

  1. Energy Source

  2. Building Blocks

  3. Regulation

  4. Transport


Correct Option: A
Explanation:

Carbohydrates are the body's primary source of energy.

Which of the following is a monosaccharide?

  1. Glucose

  2. Fructose

  3. Starch

  4. Sucrose


Correct Option: A
Explanation:

Glucose is a monosaccharide, which is a simple sugar that cannot be broken down into smaller sugars.

What is the process by which carbohydrates are broken down into glucose?

  1. Glycolysis

  2. Gluconeogenesis

  3. Glycogenolysis

  4. Krebs Cycle


Correct Option: A
Explanation:

Glycolysis is the process by which carbohydrates are broken down into glucose.

Which of the following is a disaccharide?

  1. Glucose

  2. Fructose

  3. Starch

  4. Sucrose


Correct Option: D
Explanation:

Sucrose is a disaccharide, which is a sugar made up of two monosaccharides.

What is the storage form of carbohydrates in animals?

  1. Glucose

  2. Fructose

  3. Starch

  4. Glycogen


Correct Option: D
Explanation:

Glycogen is the storage form of carbohydrates in animals.

Which of the following is NOT a source of carbohydrates?

  1. Bread

  2. Pasta

  3. Rice

  4. Meat


Correct Option: D
Explanation:

Meat is not a source of carbohydrates. It is a source of protein.

What is the process by which plants convert sunlight into carbohydrates?

  1. Photosynthesis

  2. Cellular Respiration

  3. Glycolysis

  4. Gluconeogenesis


Correct Option: A
Explanation:

Photosynthesis is the process by which plants convert sunlight into carbohydrates.

Which of the following is a structural carbohydrate?

  1. Glucose

  2. Fructose

  3. Starch

  4. Cellulose


Correct Option: D
Explanation:

Cellulose is a structural carbohydrate, which is used to build the cell walls of plants.

What is the chemical formula of fructose?

  1. C6H12O6

  2. C12H22O11

  3. C18H32O16

  4. C24H42O21


Correct Option: A
Explanation:

The chemical formula of fructose is C6H12O6.

Which of the following is a sugar alcohol?

  1. Glucose

  2. Fructose

  3. Sorbitol

  4. Sucrose


Correct Option: C
Explanation:

Sorbitol is a sugar alcohol, which is a type of carbohydrate that has a similar structure to sugar but is not as sweet.

What is the process by which carbohydrates are converted into fats?

  1. Glycolysis

  2. Gluconeogenesis

  3. Glycogenolysis

  4. Lipogenesis


Correct Option: D
Explanation:

Lipogenesis is the process by which carbohydrates are converted into fats.

Which of the following is a complex carbohydrate?

  1. Glucose

  2. Fructose

  3. Starch

  4. Sucrose


Correct Option: C
Explanation:

Starch is a complex carbohydrate, which is made up of many sugar units.

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