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Chapter: 6th Science : Term 1 Unit 6 : Health and Hygiene

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6th Science : Term 1 Unit 6 : Health and Hygiene : Book Back Questions Answers, Solution

Evaluation

 

I. Choose the correct answer

 

1. Our body needs ______ for muscle-building

a) carbohydrate

b) fat

c) Protein

d) Water

Answer: (c) Protein

 

2. Scurvy is caused due to the deficiency of________.

a) Vitamin A

b) Vitamin B

c) Vitamin C

d) Vitamin D

Answer: (c) Vitamin C 

 

3. Calcium is an example of a

a) carbohydrate

b) fat

c) Protein

d) minerals

Answer: (d) minerals

 

4. We should include fruits and vegetables in our diet, because_______.

a) They are the best source of Carbohydrates

b) They are the best source of Proteins

c) They are rich in minerals and Vitamins

d) They have high water content

Answer: (c) They are rich in minerals and Vitamins

 

5. Bacteria are very small _______ microorganism.

a) Prokaryotic

b) Eukaryotic

c) Protozoa

d) Acellular

Answer: (a) Prokaryotic

 

II. True or False

 

6. There are three main nutrients present in food.  [False]

There are Six main nutrients present in food.

7. Fats are used as an energy store by our body [True]

8. All bacteria have flagella.  [False]

Some bacteria not have flagella. 

9. Iron helps in the formation of haemoglobin. [True]

10. Virus can grow and multiply outside host.  [False]

Virus can grow and multiply inside host.

 

III Fill in the Blanks

 

11. Malnutrition leads to Deficiency Diseases

12. Iodine deficiency leads to Goitre in adults.

13. Vitamin D deficiency causes Rickets.

14. Typhoid is transmitted due to contamination of food and water.

15. Influenza is a Viral disease.

 

IV. Complete the Analogy

 

16. Rice: Carbohydrate :: Pulses:_____.

Answer: Rice: Carbohydrate :: Pulses: Protein

17. Vitamin D : Rickets :: Vitamin C:_____.

Answer: Vitamin D : Rickets :: Vitamin C: Scurvy

18. Iodine: Goitre :: Iron:_____.

Answer: Iodine: Goitre :: Iron: Anemia

19. Cholera: Bacteria :: Smallpox:_____

Answer: Cholera: Bacteria :: Smallpox: Virus.

 

V Match the Following

 

20. Vitamin A- Rickets

21. Vitamin B- Night blindness

22. Vitamin C- Sterility

23. Vitamin D- Beri beri

24. Vitamin E- Scurvy

Answer:

20. Vitamin A  - Night blindness

21. Vitamin B -  Beriberi

22. Vitamin C -  Scurvy

23. Vitamin D -  Rickets

24. Vitamin E -  Sterility

 

VI Complete the Diagram


 

VII. Write Short Answer

 

25. Write two examples for each of the following .

a. Food items rich in fat.

b. Vitamin deficiency diseases.

• Butter, ghee, milk, cheese, paneer, nuts, meat, fish, egg yolk etc.

• Night blindness, Beriberi, Rickets, Nervous weakness, Weakness of the bones, teeth etc.

26. Differentiate between carbohydrate and protein


Carbohydrate

1. Carbohydrates are energy giving component of the food.

2. We can obtain carbohydrates in the form of Sugar, starch and dietary fibres.

Protein

1. Proteins are body building foods.

2. The sources of proteins are pulses, eggs, fish, milk, chicken, soya bean, nut, grams etc,

27. Define the term “ Balanced diet”.

• A balanced diet contains sufficient amount of various nutrients to ensure good health.

• Food should also provide the appropriate amount of energy and adequate amount of water.

28. Why should the fruits and vegetables not to be washed after cutting?

The fruits and vegetables not to be washed after cutting because the nutrients present in it are lost out through water.

29. Write any two viral diseases

Diseases Caused By Virus

• Common cold

• Influenza

• Hepatitis

• Polio

• Smallpox

• Chicken pox

• Measles

30. What is the main feature of a microorganism?

A microorganism are cannot be seen without the help of a microscope.

Most of the microbes belong to four major groups:

• Bacteria

• Virus

• Protozoa

• Fungi

 

VIII. Long Answer

 

31. Tabulate the vitamins and their corresponding deficiency diseases.



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