Samacheer Kalvi 6th Science Solutions Chapter 6 Pdf

Samacheer Kalvi 6th Science Solutions Chapter 6 Pdf

Tamilnadu Board Samacheer Kalvi 6th Science Solutions Chapter 6: Tamilnadu State Board Solution Class 6 Science Chapter 6 – Health and Hygiene.

Samacheer Kalvi 6th Science Solutions Chapter 6: Overview


Samacheer Kalvi





Chapter Name

Health and Hygiene

Samacheer Kalvi 6th Science Solutions Chapter 6 Pdf

Health and Hygiene

Chapter 6

I.) Choose the correct answer

1.) Our body needs ______ for muscle Building.

a) Carbohydrate

b) Fat

c) Protein

d) Water

Answer: Protein

Solution: For physical growth and development our body needs protein which are also known as bodybuilding food.

2.) Scurvy is caused due to the deficiency Of________.

a)Vitamin A

b) Vitamin B

c) Vitamin C

d) Vitamin D

Answer: Vitamin C

Solution: Sources of Vitamin C are gooseberry, oranges, tomato etc and deficiency of these causes scurvy.

3.) Calcium is an example for ___________

a) Carbohydrate

b) Fat

c) Protein

d) Minerals

Answer: Minerals

Solution: Calcium is an example of Minerals. Minerals are required for normal functioning of the body.

4.) Bacteria are very small _______ Microorganism.


b) eukaryotic

c) Protozoa

d) acellular

Answer: Prokaryotic

Solution: Organisms without a nucleus and other organelles are called prokaryotic Organisms.

5.) 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: They are rich in minerals and vitamins

Solution: Fruits and vegetables are rich in minerals and vitamins that are required for Proper physical growth and regulating the biochemical reactions in the body.


II.) State True or False. If false, write The correct statement.

1.) There are three main nutrients Present in food.

Answer: False, there are six nutrients present in food namely carbohydrates, proteins, fats, vitamins, minerals and water.

2.) Fats are stored as energy by our body.

Answer: True

3.) All bacteria have flagella.

Answer: True

4.) Iron helps in the formation of Haemoglobin.

Answer: True

5.) Virus can grow and multiply outside Host.

Answer: False because the growth and multiplication of virus occur within the host.


III.) Fill in the blanks.

1.) Malnutrition leads to __deficiency diseases_______.

2.) Iodine deficiency leads to __goitre____ in Adults.

3.) Vitamin D deficiency causes __rickets_____.

4.) Typhoid is transmitted due to Contamination of __food_____ and water.

5.)  Influenza is a ___viral________ disease.


IV.) Complete the analogy.

1.) Rice : Carbohydrate :: Pulses :_____.

Answer: Proteins

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                                       a) Rickets

2) Vitamin B                                       b) Night blindness

3) Vitamin C                                       c) Sterility

4) Vitamin D                                       d) Beri beri

5) Vitamin E                                       e) Scurvy



1) Vitamin A.                                      a)  Night blindness

2) Vitamin B.                                      b) Beri-beri

3) Vitamin C.                                      c) Scurvy

4) Vitamin D                                      d)  Rickets

5) Vitamin E.                                      e) Sterility


VI.)  Complete the diagram.



VII.) Answer very briefly.

1.) Write two examples for each of the Following.

a)Food items rich in fat.

b) Vitamin deficiency diseases.

Answer: a) butter and ghee

b) rickets and beri-beri

2.) Differentiate between carbohydrate And protein.

Answer: Carbohydrates are components of food that provide us the needed energy to carry out different functions of the body. Example – sugar, starch and dietary fibres.

Proteins are needed for Proper growth and development of the body and for regulation of body functions such as digestion. Example of Sources – pulses, egg, fish , milk etc.

3.) Define balanced diet.

Answer: Our food should have all the necessary nutrients in right quantities, along with a good amount of roughage and water. Such a diet is known as a balanced diet.

4.) Why should fruits and vegetables not Be washed after cutting?

Answer: It is important that we should not wash fruits and vegetables after cutting as doing it also washes the Minerals and vitamins present in them and there is no point of eating then without getting the required nutrients.

5.) Mention any two viral diseases.

Answer: Influenza and smallpox

6.) What are the main features of a Microorganism?

Answer: Main features of a microorganisms are:

  • Microorganisms are Organisms that do not possess a nucleus and other body organelles.
  • They either live as parasites or an independent Organisms.
  • They invade the tissues
  • Harmful substances are produced by them.


VIII.) Answer in details.

1.)Tabulate the vitamins and their Corresponding deficiency diseases.



Disease deficiency

Vitamin A Night blindness
Vitamin B Beri-beri
Vitamin C Scurvy
Vitamin D Rickets
Vitamin E Nerve weakness, deterioration of vision
Vitamin K Weakness of bones and teeth


Updated: June 4, 2022 — 5:03 pm

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