Nutritional Biochemistry of Carbohydrates

Nutrition

An overview of carbohydrate chemistry, classification, metabolic functions, and their role in human nutrition and health.

Biochemistry Carbohydrates Metabolism

15 Questions Medium Ages 16+ Oct 6, 2026

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About this Study Set

This study set covers Nutrition through 15 practice questions. An overview of carbohydrate chemistry, classification, metabolic functions, and their role in human nutrition and health. Every question includes the correct answer so you can learn as you go — pick any format above to get started.

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Browse all 15 questions from the Nutritional Biochemistry of Carbohydrates study set below. Each question shows the correct answer — select a study format above to practice interactively.

1 What is the primary metabolic pathway for carbohydrates to produce energy?

A Glucose → ATP → Energy
B Protein → ATP → Glucose
C Fat → Glucose → Energy
D Starch → Protein → ATP

2 Chemically, how are carbohydrates defined?

A Simple sugars only
B Polyhydroxy aldehydes or ketones
C Hydrocarbons with oxygen
D Proteins attached to glucose

3 Which carbohydrate is known as blood sugar?

A Fructose
B Galactose
C Glucose
D Sucrose

4 What is the chemical composition of sucrose?

A Glucose + Glucose
B Glucose + Fructose
C Glucose + Galactose
D Fructose + Galactose

5 Which hormone is responsible for lowering blood glucose levels?

A Glucagon
B Insulin
C Thyroxine
D Adrenaline

6 What is the storage form of glucose in animals?

A Starch
B Cellulose
C Glycogen
D Pectin

7 How much energy is provided by one gram of carbohydrates?

A 4 kilocalories
B 9 kilocalories
C 7 kilocalories
D 2 kilocalories

8 Which organ is primarily responsible for maintaining blood glucose levels?

A Liver
B Kidney
C Endocrine system
D Heart

9 What is the primary structural component of plant cell walls?

A Starch
B Glycogen
C Cellulose
D Lactose

10 Which type of diabetes is characterized by insulin insensitivity?

A Type I
B Type II
C Gestational
D Hypoglycemia

11 What is the recommended daily intake of carbohydrates for adults?

A 50g
B 130g
C 300g
D 500g

12 Which monosaccharide is considered the sweetest?

A Glucose
B Galactose
C Fructose
D Maltose

13 What is the process of synthesizing glucose from non-carbohydrate sources called?

A Glycolysis
B Glycogenesis
C Gluconeogenesis
D Glycogenolysis

14 What happens when there is an insufficient amount of carbohydrates for fat metabolism?

A Protein sparing
B Ketosis
C Hyperglycemia
D Insulin resistance

15 What is the Glycemic Index (GI) used to measure?

A Total fiber content
B Speed of blood glucose rise
C Caloric density
D Protein quality

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