Question

Which among the following statements are true about deficiency diseases? (1)

(i) They are caused by germs.

(ii) They are caused due to lack of nutrients in our diet.

(iii) They can be passed on to another person through contact.

(iv) They can be prevented by taking a balanced diet.​

Answer 1

Answer:

2 and 4 are correct statements

Thank you

Answer 2

Answer:

ii.) and iv.) statements are true about deficiency diseases.

Explanation:

There are different kinds of diseases which are caused by germs.

➛ There are many kinds of pathogens whether bacterial, viral, protozoan or some other type of germs, which cause diseases. These are disease causing microorganisms like viruses, bacteria and fungi are called pathogens.

• Food poisoning is also caused by germs many bacterial infections are caused by germs.

➛ Deficiency diseases caused due to lack of nutrients.

Some nutritional deficiency disease are:

• Beri-beri
• Scurvy
• Goitre
• Kwashiorkor
• Night blindness

They can be prevented by taking a balanced diet that is the diet which includes proteins, carbohydrates, fats, vitamins in the required proportion.

➛ Communicable diseases are those which spread from one person to another or we can say diseases which spread from an infected person to a healthy person.

• They are mainly caused by germs or the attack of microorganisms such as bacteria, viruses, fungi or protozoans.
• Eg :- Malaria, mumps, smallpox, tuberculosis, etc.

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