Nutrition and Health

Samacheer Book Back Questions And Answers For Science Standard 9 “Nutrition and Health“

I. Choose the correct answer:
1. The nutrient required in trace amounts to accomplish various body functions is _____.
(a) carbohydrate
(b) protein
(c) vitamin
(d) fat

2. The physician who discovered that scurvy can be cured by ingestion of citrus fruits is _____.
(a) James Lind
(b) Louis Pasteur
(c) Charles Darwin
(d) Isaac Newton

3. The sprouting of onion and potatoes can be delayed by the process of _____.
(a) freezing
(b) irradiation
(c) salting
(d) canning

4. Food and Adulteration Act was enforced by Government of India in the year _____.
(a) 1964
(b) 1954
(c) 1950
(d) 1963

5. An internal factor responsible for spoilage of food is _____.
(a) wax coating
(b) contaminated utensils
(c) moisture content in food
(d) synthetic preservatives

II. Fill in the blanks:
1. Deficiency diseases can be prevented by taking _____ diet.
2. The process of affecting the natural composition and the quality of food substance is known as _____.
3. Vitamin D is called as _____ vitamin as it can be synthesised by the body from the rays of sunlight.
4. Dehydration is based on the principle of removal of _____.
5. Food should not be purchased beyond the date of _____.
6. AGMARK is used to certify _____ & _____ products in India.

Answers:
1. balanced
2. adulteration
3. sunshine
4. water
5. expiry
6. agricultural and Livestock

III. State whether true or false. If false, correct the statement:
1. Iron is required for the proper functioning of thyroid gland.
2. Vitamins are required in large quantities for normal functioning of the body.
3. Vitamin C is a water soluble vitamin.
4. Lack of adequate fats in diet may result in low body weight.
5. ISI mark is mandatory to certify agricultural products.

Answers:
1. False (Iodine is required for the proper functioning of the thyroid gland)
2. False (Vitamins are required in minute quantities for normal functioning of the body)
3. True
4. True
5. False (ISI mark is mandatory to certify Industrial products)

IV. Match the following:
1. Calcium        A. Muscular fatigue
2. Sodium         B. Anaemia
3. Potassium     C. Osteoporosis
4. Iron               D. Goitre
5. Iodine           E. Muscular cramps

Answers:
1. C
2. E
3. A
4. B
5. D

V. Fill in the blanks with suitable answers:

Answers:

VI. Give abbreviations for the following:
(i) ISI
(ii) FPO
(iii) AGMARK
(iv) FCI
(v) FSSAI

Answers:
(i) Indian Standards Institution.
(ii) Fruit Process Order.
(iii) Agricultural Marking.
(iv) Food Corporation of India.
(v) Food Safety and Standards Authority of India.

VII. Assertion and reason type questions:
Direction: In the following question, a statement of a Assertion is given and a corresponding Reason is given just below it. Of the statements given below, mark the correct answer.

1. Assertion: Haemoglobin contains iron.
Reason: Iron deficiency leads to anaemia.
(a) If both Assertion and Reason are true and the Reason is the correct explanation of Assertion
(b) If both Assertion and Reason are true but Reason is not the correct explanation of Assertion
(c) If Assertion is true but Reason is false
(d) If both Assertion and Reason is false

2. Assertion: AGMARK is a quality control agency.
Reason: ISI is a symbol of quality.
(a) If both Assertion and Reason are true and the Reason is the correct explanation of Assertion
(b) If both Assertion and Reason are true but Reason is not the correct explanation of Assertion
(c) If Assertion is true but Reason is false
(d) If both Assertion and Reason is false

Visit Our YouTube Channel For More Free Videos: Click Here