Class Notes NCERT Solutions for CBSE Students
Question: What are deficiency diseases? Discuss any 6 deficiency diseases their cause and the food that can be eaten to overcome them.
Answer: Deficiency diseases are those diseases that happen because of deficiency of any one component of food in the diet. These are also called non-communicable diseases.
Deficiency diseases
Caused by the lack of
Food containing the vitamins/minerals
1. Night blindness
1. Vitamin A
1. Papaya, mango, carrot, milk
2. Beriberi
2. Vitamin B1
2. Milk, peas, cereals
3. Scurvy
3. Vitamin C
3. Amla, lemon, orange, tomato
4. Rickets
4. Vitamin D
4. Milk and milk products, sunlight
5. Goiter
5. Iodine
5. Iodized salt
6. Anemia
6. Iron
6. Spinach, apple, brinjal, meat
Question: Describe any two communicable diseases?
Answer: Two communicable diseases are:
Measles:
(a) Reason:
- This diseases can spread through germs.
- When the infected person coughs or sneezes the germs can enter the air and make other sick.
- This diseases can also spread by sharing personal items like handkerchief, towels, clothes etc with the infected person.
(b) Symptoms:- High level and red spots on the body.
(c) Prevention and cure:-
- Avoiding direct contact with the infected person.
- We should not share personal items of the infected person.
- The diseases can be cured by medicines and taking proper care of the infected person.
Malaria:
(a) Reason:
- This diseases can spread through mosquito bite.
(b) Symptoms: High fever, constant shivering and vomiting.
(c) Prevention and cure:
- We should not allow water to stagnate anywhere in our house e.g. – water in the water coolers as stagnate water will allow mosquito breading.
- This can be cured by medicines.
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