Gr 9 NATURAL SCIENCES: CH 1.5 A healthy diet

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Questions and Answers

What is the primary function of Vitamin C?

  • Building strong bones and teeth
  • Regulating water in the blood and aiding muscle and nerve function
  • Keeping skin and gums healthy and boosting the immune system (correct)
  • Forming sweat, saliva, and tears

What is the main source of Calcium?

  • Nuts
  • Fruits and vegetables
  • Meat
  • Dairy products (correct)

What is the primary function of Fibre?

  • Helping blood carry nutrients and waste
  • Forming sweat, saliva, and tears
  • Building strong bones and teeth
  • Maintaining regular bowel movements and preventing constipation (correct)

What is the percentage of water in the human body?

<p>50% (C)</p> Signup and view all the answers

What is the purpose of chemical tests in food?

<p>To identify the types of food molecules present (B)</p> Signup and view all the answers

What is a common health issue related to poor dietary choices?

<p>Obesity (B)</p> Signup and view all the answers

What is the primary function of Iron?

<p>Necessary for healthy blood (D)</p> Signup and view all the answers

What is the primary source of energy for the body?

<p>Carbohydrates (C)</p> Signup and view all the answers

What is the primary source of Magnesium?

<p>Bananas, nuts, green leafy vegetables, and milk (C)</p> Signup and view all the answers

Which of the following is NOT a function of fats and oils in the body?

<p>Building and repairing body cells (A)</p> Signup and view all the answers

What is the primary function of Sodium?

<p>Regulating water in the blood and aiding muscle and nerve function (D)</p> Signup and view all the answers

Why is it essential to drink water daily?

<p>To maintain hydration and proper bodily functions (C)</p> Signup and view all the answers

What is the role of vitamin A in the body?

<p>Strengthening the immune system and supporting eyesight (C)</p> Signup and view all the answers

Which of the following food groups is NOT essential for a healthy diet?

<p>Sugars (B)</p> Signup and view all the answers

What is the role of fibre in the body?

<p>Non-digestible carbohydrates (C)</p> Signup and view all the answers

Which of the following is a plant-based source of protein?

<p>Soya beans (B)</p> Signup and view all the answers

What is the purpose of consuming minerals in the body?

<p>To maintain overall health (D)</p> Signup and view all the answers

What are the seven essential groups that make up a healthy diet?

<p>Proteins, Carbohydrates, Fats, Vitamins, Minerals, Fibre, and Water (A)</p> Signup and view all the answers

What is the function of B Vitamins in the body?

<p>Helping process energy from food (D)</p> Signup and view all the answers

Why is it important to moderate the intake of processed carbohydrates?

<p>They can lead to an imbalanced diet (D)</p> Signup and view all the answers

What is a primary function of Vitamin D?

<p>Building strong bones and teeth (D)</p> Signup and view all the answers

Which of the following is a function of Iron?

<p>Necessary for healthy blood (D)</p> Signup and view all the answers

What is a common source of Calcium?

<p>Dairy products (C)</p> Signup and view all the answers

What is the primary function of Fibre?

<p>Helping with digestion and preventing constipation (B)</p> Signup and view all the answers

What is a primary function of Sodium?

<p>Regulating water in the blood and aiding muscle and nerve function (B)</p> Signup and view all the answers

What can occur as a result of poor dietary choices?

<p>Conditions such as obesity, malnutrition, and chronic diseases (A)</p> Signup and view all the answers

What is the purpose of chemical tests in food?

<p>To identify the type of food molecule present (D)</p> Signup and view all the answers

What is essential for maintaining hydration and proper bodily functions?

<p>Drinking water daily (A)</p> Signup and view all the answers

What is a primary source of Magnesium?

<p>Bananas and nuts (A)</p> Signup and view all the answers

What is a common health issue related to diet?

<p>All of the above (D)</p> Signup and view all the answers

Which of the following nutrients provides energy to the body?

<p>Carbohydrates (C)</p> Signup and view all the answers

What is the primary function of proteins in the body?

<p>Building and repairing body cells and tissues (D)</p> Signup and view all the answers

Which of the following is a characteristic of healthy fats?

<p>Found in olive oil and canola oil (B)</p> Signup and view all the answers

What is the role of vitamins in the body?

<p>Helping in various chemical reactions (C)</p> Signup and view all the answers

Why is it important to include fibre in a healthy diet?

<p>It is a non-digestible carbohydrate (A)</p> Signup and view all the answers

Which of the following foods is a good source of protein?

<p>Soya beans (D)</p> Signup and view all the answers

What is the primary function of minerals in the body?

<p>Helping in various chemical reactions (D)</p> Signup and view all the answers

Why is it important to consume carbohydrates in moderation?

<p>They can lead to health issues if consumed excessively (D)</p> Signup and view all the answers

What is the function of water in a healthy diet?

<p>Essential for various bodily functions (A)</p> Signup and view all the answers

Which of the following is an example of a plant-based source of protein?

<p>Soya beans (B)</p> Signup and view all the answers

What is the primary function of proteins in the body?

<p>To build and repair body cells and tissues (D)</p> Signup and view all the answers

Which of the following is NOT a function of fats and oils?

<p>Aiding in digestion (C)</p> Signup and view all the answers

What is the primary role of carbohydrates in the body?

<p>To provide energy to the body (C)</p> Signup and view all the answers

Which of the following is a characteristic of healthy fats?

<p>Found in foods like olive oil and canola oil (B)</p> Signup and view all the answers

What is the primary function of vitamins in the body?

<p>To aid in various chemical reactions (B)</p> Signup and view all the answers

Which of the following is a plant-based source of protein?

<p>Soya beans (D)</p> Signup and view all the answers

What is the importance of moderating the intake of processed carbohydrates?

<p>To prevent an excessive intake of sugars (D)</p> Signup and view all the answers

Which of the following foods is a good source of fibre?

<p>Whole grain bread (D)</p> Signup and view all the answers

What is the importance of including water in a healthy diet?

<p>To maintain proper bodily functions and hydration (C)</p> Signup and view all the answers

Which of the following is a function of Vitamin A?

<p>To strengthen the immune system and aid in eyesight (C)</p> Signup and view all the answers

What is the primary function of Vitamins in the body?

<p>To keep skin and gums healthy and boost the immune system (D)</p> Signup and view all the answers

What is the primary function of Calcium in the body?

<p>To build strong bones and teeth (D)</p> Signup and view all the answers

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

<p>To help blood carry nutrients and waste around the body (C)</p> Signup and view all the answers

What is the primary consequence of poor dietary choices?

<p>Obesity and chronic diseases (A)</p> Signup and view all the answers

What is the primary function of Magnesium in the body?

<p>To build strong bones and teeth (B)</p> Signup and view all the answers

What is the primary function of Sodium in the body?

<p>To regulate water in the blood and aid muscle and nerve function (B)</p> Signup and view all the answers

What is the primary function of Fibre in the body?

<p>To help maintain regular bowel movements and prevent constipation (C)</p> Signup and view all the answers

What is the primary function of Iron in the body?

<p>To maintain healthy blood (A)</p> Signup and view all the answers

What is the primary source of Minerals in the diet?

<p>Dairy products and meat (A)</p> Signup and view all the answers

What is the primary purpose of chemical tests in food?

<p>To identify the types of food molecules present (A)</p> Signup and view all the answers

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