DAV Class 5 Science Solution Chapter 5 Food and Health
DAV School Books Class 5 Science Solution Chapter 5 Food and Health all Question Answer. DAV Class 5 5th Chapter Food and Health full Chapter explanation by expert teacher.
A.) Fill in the blanks.
Answer: (1) diseases (2) 6 months to 3 (3) small (4) goitre (5) communicable.
- Match the following:
1.anaemia | a. Vitamin C |
2. Night blindness | b. iodine |
3. scurvy | c. Vitamin B |
4. goitre | d. iron |
5. beri-beri | e. Vitamin A |
Answer: (1) d (2) e (3) a (4) b (5) c.
C.) Tick the correct option.
1.) Haemoglobin content becomes less when a person is suffering from-
Answer: anaemia
2.) A person having swollen and bleeding gums, might be suffering from-
Answer: scurvy
3.) Germs of common cold spread through-
Answer: air
4.) Deficiency of proteins and carbohydrates, in the diet of a small child, can lead to-
Answer: improper growth of body
5.) Legs become bow shaped due to deficiency of-
Answer: vitamin D
D.) Answer the following questions in brief.
1.) State the two main categories of diseases.
Diseases are of 2 types –
i.) Communicable diseases
ii.) Non-communicable diseases
- Write two symptoms of the disease ‘Beri-Beri’.
The symptoms are as follows –
- Fatigue/weakness
- Partial or complete paralysis of body
3.) Name any two diseases that are spread through the bite of mosquitoes.
The two diseases are dengue and malaria.
4.) A girl finds it difficult to see in dimlight and has dry and scaly skin. Name the disease she might be suffering from.
Answer: The disease is night blindness.
5.) Why should we not allow water to stagnate around our homes?
Stagnated and unclean water is the breeding ground for mosquitos. These are carriers of diseases like dengue , malaria.
E.) Answers the following questions.
1.) How does calcium-phosphorus deficiency affect our body?
Answer: It causes the person to have weak teeth and bone that are dull looking.
2.) Suggest some measures that can help us to prevent the occurence of deficiency diseases.
Answer: All of us should consume a diet that is rich and balanced.
One should especially take care of exercising properly as well as maintaining clean and healthy habits.
Children should be given a different diet that consists of milk products an important vegetables and fruits.
3.) How can we prevent the spread of germs from a sick person to a healthy person?
Answer: When a person has contracted a certain communicable disease care should be maintained while coming in contact with the person
The items of personal use or the person with the disease should be disinfected first before being used by others
The items of personal use or the person with the disease should be disinfected first before being used by others.
The infected individuals should cover their nose or mouth so that discharge from them are not spread via droplets.
Water should not be allowed to be stored in an open place for a long time because it becomes breeding ground for agents such as mosquitoes and flies.
Vaccination against dangerous diseases such as measles polio and chickenpox should be taken so that the severity of the disease is reduced.
4.) Isha was suffering from chickenpox. Her teacher advised her not to come to school till she has recovered completely. Why?
Chicken pox It’s a communicable disease and can spread when the person with the disease comes in close contact with others. this is the reason why the teacher asked her student to stay away until she has recovered or else the disease would have spread to others as well.
5.) Why are deficiency diseases called non-communicable diseases?
Deficiency disease occur due to the absence or reduced amount of certain minerals vitamins in someone’s body. such a deficiency disease can be cured by administering that vitamin or mineral that is deficient in the person’s body. deficiency in people’s body differ from each other and cannot spread by coming in contact with each other hence they are known as non communicable diseases.