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Chapters
2: Motion
3: Fluids
4: Electric charge and Electric current
5: Magnetism and Electromagnetism
6: Light
7: Heat
8: Sound
9: Universe
10: Matter Around Us
11: Atomic Structure
12: Periodic Classification of Elements
13: Chemical Bonding
14: Acids, Bases and Salts
15: Carbon and its Compounds
16: Applied Chemistry
17: Animal Kingdom
18: Organisation of Tissues
19: Plant Physiology
20: Organ Systems in Animals
▶ 21: Nutrition and Health
22: World of Microbes
23: Economic Biology
24: Environmental Science
25: Computer – LibreOffice Impress
![Samacheer Kalvi solutions for Science [English] Class 9 TN Board chapter 21 - Nutrition and Health - Shaalaa.com](/images/science-english-class-9-tn-board_6:5f2b1b2038084cf381bfa42c826a928c.jpg "Samacheer Kalvi solutions for Science [English] Class 9 TN Board chapter 21 - Nutrition and Health")
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Solutions for Chapter 21: Nutrition and Health
Below listed, you can find solutions for Chapter 21 of Tamil Nadu Board of Secondary Education Samacheer Kalvi for Science [English] Class 9 TN Board.
Samacheer Kalvi solutions for Science [English] Class 9 TN Board 21 Nutrition and Health Exercise [Pages 254 - 256]
Choose the correct answer.
The nutrient required in trace amounts to accomplish various body functions is ______.
carbohydrate
protein
vitamin
fat
The physician who discovered that scurvy can be cured by ingestion of citrus fruits is ______.
James Lind
Louis Pasteur
Charles Darwin
Isaac Newton
The sprouting of onion and potatoes can be delayed by the process of ______.
freezing
irradiation
salting
canning
Food and Adulteration Act was enforced by Government of India in the year ______.
1964
1954
1950
1963
An internal factor responsible for spoilage of food is ______.
wax coating
contaminated utensils
moisture content in food
synthetic preservatives
Fill in the blanks.
Deficiency diseases can be prevented by taking ______ diet.
The process of affecting the natural composition and the quality of food substance is known as ______.
Vitamin D is called as ______ vitamin as it can be synthesised by the body from the rays of sunlight.
Dehydration is based on the principle of removal of ______.
Food should not be purchased beyond the date of ______.
AGMARK is used to certify ______ and ______ products in India.
State whether true or false. If false, correct the statement.
Iron is required for the proper functioning of thyroid gland.
True
False
State whether true or false. If false, correct the statement.
Vitamins are required in large quantities for normal functioning of the body
True
False
State whether true or false. If false, correct the statement.
Vitamin C is a water soluble vitamin
True
False
State whether true or false. If false, correct the statement.
Lack of adequate fats in diet may result in low body weight
True
False
State whether true or false. If false, correct the statement.
ISI mark is mandatory to certify agricultural products.
True
False
Match the following.
| Column A | Column B | ||
| 1. | Calcium | a. | Muscular fatigue |
| 2. | Sodium | b. | Anaemia |
| 3. | Potassium | c. | Osteoporosis |
| 4. | Iron | d. | Goitre |
| 5. | Iodine | e. | Muscular cramps |
Fill in the blanks with suitable answers.
| Vitamins | Dietary Source | Deficiency Disease |
| Calciferol | ______ | Rickets |
| ______ | Papaya | Night blindness |
| Ascorbic acid | ______ | ______ |
| ______ | Whole grains | Beriberi |
Give abbreviation for the following.
ISI-
Give abbreviation for the following.
FPO-
Give abbreviation for the following.
AGMARK-
Give abbreviation for the following.
FCI-
Give abbreviation for the following.
FSSAI-
Assertion and reason type questions.
Assertion: Haemoglobin contains iron.
Reason: Iron deficiency leads to anaemia
If both Assertion and Reason are true and the Reason is the correct explanation of Assertion
If both Assertion and Reason are true but Reason is not the correct explanation of Assertion
If Assertion is true but Reason is false
If both Assertion and Reason is false
Assertion: AGMARK is a quality control agency
Reason: ISI is a symbol of quality
If both Assertion and Reason are true and the Reason is the correct explanation of Assertion
If both Assertion and Reason are true but Reason is not the correct explanation of Assertion
If Assertion is true but Reason is false
If both Assertion and Reason is false
Give reason for the following statement.
Salt is added as a preservative in pickles
Give reason for the following statement.
We should not eat food items beyond the expiry date
Give reason for the following statement.
Deficiency of calcium in diet leads to poor skeletal growth
Answer briefly.
Differentiate
Kwashiorkar from Marasmus
Differentiate
Macronutrients from Micronutrients
Why salt is used as preservative in food?
What is an adulterant?
Name any two naturally occuring toxic substances in food.
What factors are required for the absorption of Vitamin D from the food by the body?
Write any one function of the following minerals
- Calcium
- Sodium
- Iron
- Iodine
Explain any two methods of food preservation.
What are the effects of consuming adulterated food?
Answer in detail.
How are vitamins useful to us? Tabulate the sources, deficiency diseases and symptoms of fat soluble vitamins
Explain the role of food control agencies in India.
Higher Order Thinking Skill.
Look at the picture and answer the question that follows
- Name the process involved in the given picture.
- Which diary food is preserved by this process?
- What is the temperature required for the above process?
Higher Order Thinking Skill.
The doctor advices an adolescent girl who is suffering from anaemia to include more of leafy vegetables and dates in her diet. Why so
Higher Order Thinking Skill.
Sanjana wants to buy a jam bottle in a grocery shop. What are the things she should observe on the label before purchasing it?
Solutions for 21: Nutrition and Health
Samacheer Kalvi solutions for Science [English] Class 9 TN Board chapter 21 - Nutrition and Health
Shaalaa.com has the Tamil Nadu Board of Secondary Education Mathematics Science [English] Class 9 TN Board Tamil Nadu Board of Secondary Education solutions in a manner that help students grasp basic concepts better and faster. The detailed, step-by-step solutions will help you understand the concepts better and clarify any confusion. Samacheer Kalvi solutions for Mathematics Science [English] Class 9 TN Board Tamil Nadu Board of Secondary Education 21 (Nutrition and Health) include all questions with answers and detailed explanations. This will clear students' doubts about questions and improve their application skills while preparing for board exams.
Further, we at Shaalaa.com provide such solutions so students can prepare for written exams. Samacheer Kalvi textbook solutions can be a core help for self-study and provide excellent self-help guidance for students.
Concepts covered in Science [English] Class 9 TN Board chapter 21 Nutrition and Health are Food and Its Types, Deficiency Diseases, Diseases Due to Deficiency of Carbohydrates, Diseases Due to Deficiency of Proteins, Diseases Due to Deficiency of Fats, Diseases Due to Deficiency of Vitamin, Diseases Due to Deficiency of Minerals, Spoilage of Food, Methods of Food Preservation, Food Adulteration, Food Quality Control, Food and Micro-organisms, Nutrients and Nutrition, Component of Food, Carbohydrates, Proteins, Fats (Lipids), Vitamin and Minerals, Component of Food: Minerals.
Using Samacheer Kalvi Science [English] Class 9 TN Board solutions Nutrition and Health exercise by students is an easy way to prepare for the exams, as they involve solutions arranged chapter-wise and also page-wise. The questions involved in Samacheer Kalvi Solutions are essential questions that can be asked in the final exam. Maximum Tamil Nadu Board of Secondary Education Science [English] Class 9 TN Board students prefer Samacheer Kalvi Textbook Solutions to score more in exams.
Get the free view of Chapter 21, Nutrition and Health Science [English] Class 9 TN Board additional questions for Mathematics Science [English] Class 9 TN Board Tamil Nadu Board of Secondary Education, and you can use Shaalaa.com to keep it handy for your exam preparation.
