What is Nutrition? Definition and Importance

Question 1

Which of the following is NOT considered a nutrient by nutritionists?

Accepted Answer

Water

Answer

Carbohydrates

Answer

Protein

Answer

Vitamins

Question 2

To make informed daily food choices that align with your age, activity level, and preferences, which approach is most effective?

Accepted Answer

Consult healthcare professionals or registered dietitians for personalized advice.

Answer

Follow general dietary guidelines without considering individual factors.

Answer

Experiment with different diets without seeking professional guidance.

Answer

Rely solely on food labels and advertisements for nutritional information.

Question 3

Which of the following is NOT considered a macronutrient?

Accepted Answer

Minerals

Answer

Carbohydrates

Answer

Proteins

Answer

Fats

Question 4

What is the primary role of proteins in the human body?

Accepted Answer

Building and repairing tissues

Answer

Energy storage

Answer

Hormone production

Answer

Immune system defense

Question 5

Which vitamin is necessary for the proper clotting of blood?

Accepted Answer

Vitamin K

Answer

Vitamin A

Answer

Vitamin C

Answer

Vitamin D

Question 6

Which of the following food choices is a healthy source of carbohydrates?

Accepted Answer

Brown rice

Answer

White bread

Answer

Candy

Answer

Soda

Question 7

What is the main benefit of including fibre in one's diet?

Accepted Answer

Promotes a feeling of fullness

Answer

Provides energy

Answer

Lowers cholesterol levels

Answer

Builds muscle mass

Question 8

What is the primary function of the digestive system?

Accepted Answer

To break down food into absorbable nutrients

Answer

To absorb nutrients into the bloodstream

Answer

To excrete waste products

Answer

To regulate body temperature

Question 9

Which of the following food groups is NOT recommended as part of a healthy diet?

Accepted Answer

Sweets and snacks

Answer

Fruits and vegetables

Answer

Whole grains

Answer

Dairy products

Question 10

What is the term used to describe the state of nutrient balance within the body?

Accepted Answer

Homeostasis

Answer

Metabolism

Answer

Glycaemia

Answer

Ketosis

Question 11

What is the primary function of carbohydrates in the body?

Accepted Answer

To provide energy

Answer

To build and repair body tissues

Answer

To regulate body temperature

Answer

To store genetic information

Question 12

Which of the following is an essential amino acid?

Accepted Answer

Lysine

Answer

Alanine

Answer

Glycine

Answer

Serine

Question 13

What is the role of vitamins in the body?

Accepted Answer

To regulate metabolic processes

Answer

To provide energy

Answer

To build and repair tissues

Answer

To store genetic information

Question 14

What is the difference between a balanced diet and a healthy diet?

Accepted Answer

A balanced diet provides all the essential nutrients in the right proportions, while a healthy diet is one that promotes overall well-being.

Answer

A healthy diet provides all the essential nutrients in the right proportions, while a balanced diet is one that promotes overall well-being.

Answer

There is no difference between a balanced diet and a healthy diet.

Answer

A balanced diet is one that is low in calories, while a healthy diet is one that is rich in fruits and vegetables.

Question 15

How does nutrition impact a person's overall health and the risk of developing long-term health conditions?

Accepted Answer

Nutrition affects energy levels, immune function, and the risk of chronic diseases like obesity, heart disease, and type 2 diabetes.

Answer

Nutrition only affects short-term health outcomes, like managing blood sugar levels.

Answer

Nutrition has no significant influence on a person's overall health or the development of chronic diseases.

Question 16

Which of the following correctly classifies carbohydrates and proteins as either macronutrients or micronutrients?

Accepted Answer

Carbohydrates: Macronutrient; Proteins: Macronutrient

Answer

Carbohydrates: Micronutrient; Proteins: Macronutrient

Answer

Carbohydrates: Micronutrient; Proteins: Micronutrient

Answer

Carbohydrates: Macronutrient; Proteins: Macromolecule

Question 17

Which of the following is NOT considered a macronutrient essential for bodily functions?

Accepted Answer

Vitamins

Answer

Carbohydrates

Answer

Proteins

Answer

Fats

Question 18

What is the primary function of carbohydrates in the human body?

Accepted Answer

Providing energy

Answer

Building and repairing tissues

Answer

Regulating metabolic processes

Answer

Storing excess calories as fat

Question 19

Which vitamin is primarily responsible for promoting bone health?

Accepted Answer

Vitamin D

Answer

Vitamin A

Answer

Vitamin C

Answer

Vitamin E

Question 20

What is the primary purpose of food labeling?

Accepted Answer

Providing consumers with nutritional information about food products

Answer

Marketing the benefits of specific products

Answer

Ensuring the safety of food products

Answer

Tracking food consumption patterns

Question 21

In what order does the digestive system enable nutrients to enter the bloodstream?

Accepted Answer

Ingestion, digestion, absorption, elimination

Answer

Digestion, ingestion, absorption, elimination

Answer

Absorption, digestion, ingestion, elimination

Answer

Elimination, ingestion, digestion, absorption

Question 22

Which of the following correctly describes the primary functions of carbohydrates, proteins, and fats in the human body?

Accepted Answer

Carbohydrates provide energy, proteins build and repair tissues, and fats store energy and insulate.

Answer

Carbohydrates and fats provide energy, while proteins build and repair tissues.

Answer

Carbohydrates, proteins, and fats all build and repair tissues.

Answer

Carbohydrates and proteins provide energy, while fats build and repair tissues.

Question 23

Which of the following best describes the primary role of carbohydrates in the body?

Accepted Answer

Providing energy

Answer

Repairing damaged tissues

Answer

Regulating fluid balance

Answer

Supporting digestion

Question 24

Which vitamin is essential for blood clotting and bone health?

Accepted Answer

Vitamin K

Answer

Vitamin A

Answer

Vitamin C

Answer

Vitamin D

Question 25

The process by which the body breaks down food into nutrients and absorbs them is known as:

Accepted Answer

Digestion and absorption

Answer

Metabolism

Answer

Excretion

Answer

Circulation

Question 26

Which of the following is considered a macronutrient?

Accepted Answer

Protein

Answer

Vitamin C

Answer

Calcium

Answer

Iron

Question 27

Which food group is generally considered the richest source of dietary fibre?

Accepted Answer

Fruits and vegetables

Answer

Dairy products

Answer

Meat and poultry

Answer

Grains

Question 28

Which of the following is NOT a macronutrient?

Accepted Answer

Vitamins

Answer

Carbohydrates

Answer

Proteins

Answer

Lipids

Question 29

What is the primary function of carbohydrates in the human body?

Accepted Answer

To provide energy

Answer

To build and repair tissues

Answer

To aid in digestion

Answer

To regulate body temperature

Question 30

Which of the following is an essential amino acid?

Accepted Answer

Histidine

Answer

Alanine

Answer

Glycine

Answer

Proline

Question 31

What is the primary dietary source of saturated fats?

Accepted Answer

Meat and dairy products

Answer

Vegetable oils

Answer

Nuts and seeds

Answer

Fish

Question 32

Which vitamin plays a key role in the body's blood clotting process?

Accepted Answer

Vitamin K

Answer

Vitamin A

Answer

Vitamin C

Answer

Vitamin D

Question 33

According to the recommended daily guidelines, how many portions of fruits and vegetables should adults consume?

Accepted Answer

5-7 portions

Answer

2-3 portions

Answer

9-11 portions

Answer

12-14 portions

Question 34

Which health condition is primarily caused by a deficiency of iron?

Accepted Answer

Anemia

Answer

Beriberi

Answer

Pellagra

Answer

Scurvy

Question 35

Which of the following is NOT considered a macronutrient?

Accepted Answer

Vitamins

Answer

Carbohydrates

Answer

Proteins

Answer

Fats

Question 36

What is the primary function of carbohydrates in the body?

Accepted Answer

Providing the main source of energy

Answer

Building and repairing tissues

Answer

Regulating body temperature

Answer

Transporting oxygen and nutrients

Question 37

What is the main function of vitamins in the body?

Accepted Answer

Regulating metabolic processes

Answer

Providing energy

Answer

Building and repairing tissues

Answer

Storing genetic information

Question 38

Which of the following is a good source of vitamin C?

Accepted Answer

Citrus fruits

Answer

Dairy products

Answer

Eggs

Answer

Grains

Question 39

Which of the following can be a consequence of a deficiency in iron?

Accepted Answer

Anemia

Answer

Rickets

Answer

Scurvy

Answer

Osteoporosis

Question 40

What is the primary storage form of glucose in the body?

Accepted Answer

Glycogen

Answer

Insulin

Answer

Glucagon

Answer

Starch

Question 41

Which of the following hormones is involved in regulating blood sugar levels?

Accepted Answer

Insulin

Answer

Thyroid hormone

Answer

Epinephrine

Answer

Growth hormone

Question 42

What is the term for a balanced diet that provides all the essential nutrients in the correct proportions?

Accepted Answer

Optimal nutrition

Answer

Caloric deficit

Answer

Intermittent fasting

Answer

Macro counting

Question 43

What are some possible outcomes of not getting enough nutrients?

Accepted Answer

Stunted growth

Accepted Answer

Weakened immune system

Accepted Answer

Fatigue and low energy

Answer

Healthy skin and hair

Question 44

Which hormone signals fullness to the brain, reducing hunger?

Accepted Answer

Leptin

Answer

Ghrelin

Answer

Insulin

Answer

Estrogen

Question 45

How does digestion help our bodies get the nutrients they need?

Accepted Answer

Digestion breaks down food into smaller parts so our bodies can absorb the nutrients.

Answer

Digestion mainly involves absorbing nutrients without much breakdown.

Answer

Digestion doesn't really affect how our bodies use nutrients.

Question 46

Which of the following is NOT considered a macronutrient?

Accepted Answer

Vitamin C

Answer

Carbohydrates

Answer

Protein

Answer

Fats

Question 47

What is the primary function of carbohydrates in a healthy diet?

Accepted Answer

Provide energy

Answer

Build and repair body tissues

Answer

Regulate hormone production

Answer

Transport oxygen and nutrients

Question 48

Which vitamin is essential for normal blood clotting?

Accepted Answer

Vitamin K

Answer

Vitamin A

Answer

Vitamin D

Answer

Vitamin C

Question 49

What is the process by which the body breaks down food into smaller molecules for absorption?

Accepted Answer

Digestion

Answer

Assimilation

Answer

Excretion

Answer

Metabolism

Question 50

Which of the following best describes a balanced diet?

Accepted Answer

One that provides all essential nutrients in appropriate proportions

Answer

One that is low in carbohydrates

Answer

One that is high in protein

Question 51

Which of the following is a potential health risk associated with malnutrition?

Accepted Answer

Weakened immune system

Answer

Enhanced cognitive function

Answer

Increased energy levels

Answer

Improved athletic performance

Question 52

What is the primary role of fiber in the diet?

Accepted Answer

Promote digestion and prevent constipation

Answer

Provide energy

Answer

Build and repair body tissues

Answer

Regulate blood sugar levels

Question 53

Which of the following food groups is a major source of saturated fat?

Accepted Answer

Animal products

Answer

Whole grains

Answer

Fruits and vegetables

Answer

Plant-based oils