if you are looking for Tamil Nadu Board Class 6 Science Chapter 6 Health and Hygiene then you are at the right place.
[I] Choose the correct answer.
Our body needs ______ for muscle building.
- carbohydrate
- fat
- protein
- water
Scurvy is caused due to the deficiency of________.
- Vitamin A
- Vitamin B
- Vitamin C
- Vitamin D
Calcium is an example for………
- carbohydrate
- fat
- protein
- minerals
Bacteria are very small _______microorganism.
- prokaryotic
- eukaryotic
- protozoa
- acellular
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
[II] State True or False. If false, write the correct statement.
- There are three main nutrients present in food.[False]
- Fats are stored as energy by our body.[True]
- All bacteria have flagella.[False]
- Iron helps in the formation of haemoglobin.[True]
- Virus can grow and multiply outside host.[False]
[III] Fill in the blanks.
- Malnutrition leads to _________.[Deficinecy diseases]
- Iodine deficiency leads to ______ in adults.[goitre]
- Vitamin D deficiency causes _______.[rickets]
- Typhoid is transmitted due to contamination of _____ and water.[food]
- Influenza is a ___________ disease.[viral]
[IV] Complete the analogy.
- Rice : Carbohydrate :: Pulses :_____.[protein]
- Vitamin D : Rickets :: Vitamin C : _____.[scurvy]
- Iodine : Goitre :: Iron : _____.[anaemia]
- Cholera : Bacteria :: Smallpox : _____[virus]
[VII] Answer very briefly.
Write two examples for each of the following.
a) Food items rich in fat.
b) Vitamin deficiency diseases.
Ans
a) Food items rich in fat: Butter, nuts.
b) Vitamin deficiency diseases: Night blindness (Vitamin A), Scurvy (Vitamin C).
Differentiate between carbohydrate and protein.
Carbohydrates provide energy, while proteins are essential for growth and repair of tissues.
Define balanced diet.
A balanced diet contains adequate amounts of all necessary nutrients required for healthy growth and activity.
Why should fruits and vegetables not be washed after cutting?
Fruits and vegetables should not be washed after cutting to prevent loss of water-soluble vitamins through leaching.
Mention any two viral diseases.
Two viral diseases are Influenza and Chickenpox.
What are the main features of a microorganism?
The main features of a microorganism include being microscopic in size, having diverse shapes, and being capable of rapid reproduction.
Tamil Nadu Board Class 6 Science Chapter 6 Health and Hygiene Extra QA
Define health according to the World Health Organization (WHO).
According to the World Health Organization (WHO), health is a state of complete physical, mental, and social well-being, not merely the absence of disease or infirmity.
What are the six major nutrients essential for the body?
The six major nutrients essential for the body are carbohydrates, fats, proteins, vitamins, minerals, and water.
