Samacheer Kalvi 6th Science Term 1 Unit 6 Book Back Question and Answers:

Samacheer Kalvi 6th Standard Science Book Back 1 Mark and 2 Mark Question & Answers uploaded online and available PDF for free download. Class 6th New Syllabus Science Term 1 book back question & answer solutions guide available below for English Medium. Class sixth Std Science English Medium Term 1 Unit 6 Health and Hygiene book back answers given below. Students looking for class 6th Term I Unit 6 Questions and Answers can check below.

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Samacheer Kalvi 6th Science Book Back Chapter 6 Term 1 Solution Guide PDF:

TN State Board Class 6th Science Subject Term 1 Unit 6 one mark and two mark solutions guide PDF available below.

6th Science – Term 1

Unit 6: Health and Hygiene

I. Choose the appropriate 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 _______ microorganisms.
(a) Prokaryotic
(b) Eukaryotic
(c) Protozoa
(d) Acellular
Answer: (a) Prokaryotic

II. True or false:

1. There are three main nutrients present in food.
Answer: False. There are six main nutrients present in food.

2. Fats are used as an energy store by our body.
Answer: True.

3. All bacteria have flagella.
Answer:
False. Not all bacteria have flagella only, some bacteria have flagella.

4. Iron helps in the formation of hemoglobin.
Answer:
True

5. Viruses can grow and multiply outside the host.
Answer: False. The virus can grow and multiply inside the host.

III. Fill in the Blanks:

1. Malnutrition leads to _______
2. Iodine deficiency leads to _______ in adults.
3. Vitamin D deficiency causes _______.
4. Typhoid is transmitted due to contamination of _______ and water.
5. Influenza is a _______ disease.

Answers:

1. deficiency disease
2. goitre
3. Rickets
4. food
5. viral (virus)

IV. Complete the Analogy.

1. Rice: Carbohydrate :: Pulses: _______
Answer: Protein.

2. Vitamin D : Rickets :: Vitamin C: _______
Answer: Scurvy.

3. Iodine: Goitre :: Iron: _______
Answer: Anaemia.

4. Cholera: Bacteria :: Smallpox: _______
Answer: Virus.

V. Match the following:

1. Vitamin A – Rickets
2. Vitamin B – Night blindness
3. Vitamin C – Sterility
4. Vitamin D – Beriberi
5. Vitamin E – Scurvy

Answer:

1. Vitamin A – Night blindness
2. Vitamin B – Beri beri
3. Vitamin C – Scurvy
4. Vitamin D – Rickets
5. Vitamin E – Sterility

VI. Complete the diagram:

Question:

Answers:  a. Fat, b. Minerals

VII. Write a Short Answer:

1. Write two examples for each of the following.
Answer:
(a) Food items were rich in fat – Egg yolk, and meat.
(b) Vitamin deficiency – diseases.
(c) Vitamin C – Scurvy
(d) Vitamin D – Rickets.

2. Differentiate between carbohydrates and protein.
Answer:
Carbohydrates:
Carbohydrates are an energy-giving components of the body They are not involved in repairing and regulating body functions.
Eg: sugar, starch.

Proteins:
Proteins are bodybuilding components. They are necessary for growth, and repair, and are useful in regulating body functions.
Eg: Soya beans, grams.

3. Define the term ‘balanced diet’.
Answer:
A balanced diet is a diet that contains an adequate amount of all the necessary nutrients like carbohydrates fat protein minerals and vitamins required for healthy growth and activity.

4. Why should the fruits and vegetables not to be washed after cutting?
Answer:

1. Fat-soluble vitamins – A D E K.
2. Water-soluble vitamins – B, C.

The water-soluble vitamins B and C will be washed away while washing after cutting the vegetables.

5. Write any two viral diseases.
Answer:

1. AIDS
2. Hepatitis.

6. What is the main feature of a microorganism?
Answer:

1. The microbes can be seen only through a microscope.
2. Bacteria are prokaryotic microbes.
3. Bacteria can live independently or as a parasite.
4. Viruses are cellular organisms.
5. Viruses can live only i

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