Biology ยท Chemistry

Carbohydrates and Biomolecules

1,073 Questions

Carbohydrates and biomolecules questions test your understanding of sugars, monosaccharides, and metabolic substrates. The topic covers food transportation in plants and the biochemical properties of sweeteners. Practicing these questions builds a strong foundation for exam preparation.

Disaccharides and monosaccharidesArtificial sweetenersGlycogen storagePlant food transportGlycoprotein hormones

Carbohydrates and Biomolecules Questions

Multiple choice

What is the primary sugar found in honey?

  1. Sucrose

  2. Glucose

  3. Fructose

  4. Maltose
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Honey primarily consists of fructose, a natural sugar that is sweeter than sucrose and has a lower glycemic index.

Multiple choice

Which type of carbohydrate is digested and absorbed quickly, providing a rapid energy boost?

  1. Simple carbohydrates

  2. Complex carbohydrates

  3. Dietary fiber

  4. Sugar alcohols
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Simple carbohydrates, such as glucose and fructose, are digested and absorbed quickly, providing a rapid energy boost.

Multiple choice

What is the role of sugar in chutney-making?

  1. To balance the acidity of the chutney

  2. To add sweetness and depth of flavor

  3. To enhance the color of the chutney

  4. All of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Sugar plays a crucial role in chutney-making by balancing the acidity, adding sweetness and depth of flavor, and enhancing the color of the chutney.

Multiple choice

Which of the following is a natural food sweetener derived from a plant?

  1. Stevia

  2. Sucralose

  3. Aspartame

  4. Acesulfame potassium
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Stevia is a natural food sweetener derived from the leaves of the stevia plant. It is a zero-calorie sweetener that is often used as a sugar substitute in food and beverages.

Multiple choice

What is the primary ingredient in fruit preserves?

  1. Sugar

  2. Pectin

  3. Fruit

  4. Water
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Fruit preserves are made primarily from fruit, sugar, and pectin, which is a natural thickener derived from fruits.

Multiple choice

What is the role of pectin in jam making?

  1. Thickening Agent

  2. Sweetener

  3. Preservative

  4. Coloring Agent
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Pectin is a natural thickener found in fruits. When heated with sugar and acid, it forms a gel that gives jams their characteristic thick consistency.

Multiple choice

What is the primary role of sugar in jam making?

  1. Preservative

  2. Sweetener

  3. Thickener

  4. Coloring Agent
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Sugar acts as a preservative in jam making. It helps to prevent the growth of bacteria and mold, extending the shelf life of the jam.

Multiple choice

Which taste sensation is associated with the detection of sugars?

  1. Sweet

  2. Sour

  3. Salty

  4. Bitter
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Sweet taste is associated with the detection of sugars.

Multiple choice

What is the primary sugar found in milk?

  1. Glucose

  2. Fructose

  3. Sucrose

  4. Lactose
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Lactose is the predominant sugar in milk, a disaccharide composed of glucose and galactose.

Multiple choice

Which of the following sweeteners is a natural and sustainable alternative to refined sugar?

  1. Jaggery

  2. Honey

  3. Maple Syrup

  4. High-Fructose Corn Syrup
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Jaggery is a natural sweetener made from sugarcane or palm sap. It is a healthier and more sustainable alternative to refined sugar, as it retains the natural minerals and nutrients present in the sap.

Multiple choice

Which of the following is NOT a type of carbohydrate?

  1. Monosaccharides

  2. Disaccharides

  3. Polysaccharides

  4. Proteins
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

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

Multiple choice

What is the simplest form of carbohydrate?

  1. Monosaccharides

  2. Disaccharides

  3. Polysaccharides

  4. Oligosaccharides
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Monosaccharides are the simplest form of carbohydrate. They cannot be broken down into smaller carbohydrates.

Multiple choice

Which of the following is a monosaccharide?

  1. Glucose

  2. Fructose

  3. Sucrose

  4. Starch
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Glucose is a monosaccharide. It is the most common sugar in the body and is the body's main source of energy.

Multiple choice

Which of the following is a disaccharide?

  1. Glucose

  2. Fructose

  3. Sucrose

  4. Starch
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Sucrose is a disaccharide. It is made up of one molecule of glucose and one molecule of fructose.

Multiple choice

Which of the following is a polysaccharide?

  1. Glucose

  2. Fructose

  3. Sucrose

  4. Starch
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Starch is a polysaccharide. It is made up of many molecules of glucose.