Question

2 a. Calcium 3. How does roughage play an important role in our diet? 4 which food should we consume to obtain the following nutrients? b. lodine c. Vitamin B d. Iron 5. What is vaccination? 6. What are nutrients? 7. State the differences between communicable and non-communica diseases. 8. Give causes of following diseases. a. Typhoid b. Chickenpox C. Malaria​

Answer 1

Answer:

2a) Coudn't understand the question

3) roughage or the fibres helps in the skin health, thickening of stool and easy passing of faeces

4) Iodine - Table salt, Fish

   Vitamin B - Leafy Green Vegetables, Milk

   Iron - Broccoli, Spinach

5) The treatment involving the injection of a vaccine to train the immune system of a body to fight diseases is called vaccination. Note:- Vaccination is not a cure, it is a prevention

6) Minerals which are required by an organism either in minute or large amounts are called nutrients. Certain nutrients are necessary for the smooth functioning of an organism and assurance of a healthy body

7) Communicable diseases:

  pt1) They are those diseases which can be transferred from one person to another through physical contact or being around the infected person.

pt2) It can infect the host through a vector carrying Bacteria or a virus

 Non-Communicable diseases:

pt1) They do not spread from one organism to another by physical contact or certain other means.

pt2) Itdoesn't have any infecting agent

8a) Bacteria called Salmonella (You guessed it, first caused from food poisoning of salmon)

b) Virus called Varicella-zoster

c) Caused by a mosquito (protozoa)

Explanation: