The DAV Class 5 Science Book Solutions and DAV Class 5 Science Chapter 5 Question Answer – Food and Health are essential study tools for DAV public school students in Class 5.
DAV Class 5 Science Chapter 5 Question Answer – Food and Health
DAV Class 5 Science Ch 5 Question Answer – Food and Health
Something To Know
A. Fill in the blanks.
Question 1.
A ______ is any defect or abnormality found in the body.
Answer:
disease
Question 2.
Children, in the age group of ______ years, often, suffer from protein- carbohydrate deficiency disease.
Answer:
6 months to 3
Question 3.
Minerals are present in ______ amounts in our body.
Answer:
small
Question 4.
The disease, that causes enlargement of glands in the neck, is known as ______
Answer:
goitre
Question 5.
The diseases, that get spread through insects, air, water and soil, are known as ______ diseases.
Answer:
communicable.
B. Match the following.
| Column I | Column II |
| 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:
| Column I | Column II | |
| 1. anaemia | d | (a) vitamin C |
| 2. night blindness | e | (b) iodine |
| 3. scurvy | a | (c) vitamin B |
| 4. goitre | b | (d) iron |
| 5. beri-beri | c | (e) vitamin A |
C. Tick (✓) the correct option.
1. Haemoglobin content becomes less when a person is suffering from
(a) goitre
(b) rickets
(c) anaemia
(d) beri-beri
Answer:
(c) anaemia
2. A person having swollen and bleeding gums might be suffering from
(a) rickets
(b) scurvy
(c) beri-beri
(d) anaemia
Answer:
(b) scurvy
3. Genns of common cold spread through
(a) air
(b) water
(c) soil
(d) mosquitoes
Answer:
(a) air
4. Deficiency of proteins and carbohydrates, in the diet of a small child can lead to
(a) weak bones
(b) improper growth of body
(c) bleeding gums
(d) bow shaped legs
Answer:
(b) improper growth of body
5. Legs become bow shaped due to deficiency of
(a) vitamin A
(b) vitamin B
(c) vitamin C
(d) vitamin D
Answer:
(d) vitamin D.
D. Answer the following questions in brief.
Question 1.
State the two main categories of diseases.
Answer:
Two main categories of diseases are as follows:
(a) Communicable diseases
(b) Non-communicable diseases
Question 2.
Write two symptoms of the disease ‘Beri-Beri’.
Answer:
Two symptoms of beri-beri are as follows:
(a) Extreme weakness
(b) Paralysis of body parts
Question 3.
Name any two diseases that are spread through the bite of mosQuestion uitoes.
Answer:
Malaria and Dengue
Question 4.
A girl finds it difficult to see in dim- light and has dry and scaly skin. Name the disease she might be suffering from.
Answer:
Night Blindness
Question 5.
Why should we not allow water to stagnate around our homes?
Answer:
Mosquitoes breed in stagnant water. We know that mosquitoes spread malaria and dengue. Hence, we should not allow water to stagnate around our homes.
E. Answer the following Questions.
Question 1.
How does calcium-phosphorus deficiency affect our body?
Answer:
Deficiency of calcium-phosphorus results in weak teeth which lose their shine and whiteness. It also results in weak, soft and fragile bones.
Question 2.
Suggest some measures that can help us to prevent the occurrence of deficiency diseases.
Answer:
Deficiency diseases can be prevented by following measures:
- Take a balanced diet which has all the nutrients.
- Follow good eating habits.
- Take adequate amount of milk, fruits, porridge, salad and other healthy foods.
Question 3.
How can we prevent the spread of germs from a sick person to a healthy person?
Answer:
The spread of germs from a sick person to healthy person can be prevented by these steps:
- All articles and clothes of the infected person should be disinfected.
- You should cover your mouth and nose while sneezing or coughing.
- We should keep our surroundings clean and hygienic.
- We should not allow water to stagnate near our homes. Stagnant water is the breeding ground for mosqitoes.
Question 4.
Isha was suffering from chicken pox. Her teacher advised her not to come to school till she has recovered completely. Why?
Answer:
Isha needs to take rest so that she can get well soon. Moreover, chicken pox may spread from Isha to a healthy person. So, her teacher advised her not to come to school till she has recovered completely.
Question 5.
Why are deficiency diseases called non-communicable diseases?
Answer:
Deficiency diseases do not spread from one person to another. Hence, they are called non-communicable diseases.
Value-Based Qestions
Qestions 1.
Why did the slum children look weak and pale?
Answer:
The slum children may be suffering from deficiency diseases. Hence, they looked weak and pale.
Qestions 2.
How did Raj at and his teacher help the slum children? Discuss.
Answer:
Rajat and his teacher organized a street play to increase awareness among children. They also organized a medical camp to help the children. The medical camp must have helped in detecting any disease in slum children. The doctors may also have given them some free medicines. The street play must have helped them in understanding the need of balanced food.
Qestions 3.
Suggest the names of some food items that are not too costly but are good for our health.
Answer:
Potato, dal, rice, green leafy vegetables, dalia, etc.
Something To Do
Qestions 1.
Prepare flash cards of four different colours, say red, green, blue and yellow. Write names of deficiency diseases on red cards (one disease on one card), symptoms on green cards, nutrient missing on blue cards and food sources to prevent their occurrence on yellow cards. Now shuffle the cards and ask your friends to match the other coloured cards to each of the red cards.
Answer:
Do it yourself.
Qestions 2.
Prepare a small skit on ‘How to Stay Healthy?’ and present it in the class/ school assembly. You can also go to a nearby slum and educate the slum dwellers through your skit.
Answer:
Do it yourself.
DAV Class 5 Science Chapter 5 Solutions – Food and Health
I. Multiple Choice Questions (MCQs)
1. Which of the following is a non- communicable disease?
(a) jaundice
(b) cholera
(c) goitre
(d) malaria
Answer:
(c) goitre
2. Which of the following is a communicable disease?
(a) beri-beri
(b) rickets
(c) dengue
(d) scurvy
Answer:
(c) dengue
3. Which of the following diseases spread through air?
(a) flu
(b) malaria
(c) dengue
(d) jaundice
Answer:
(a) flu
4. Which of the following spreads through food and water?
(a) common cold
(b) flu
(c) jaundice
(d) dengue
Answer:
(c) jaundi
5. Deficiency of which vitamin results in scurvy?
(a) vitamin A
(b) vitamin B
(c) vitamin C
(d) vitamin D
Answer:
(c) vitamin C
II. Fill in the Blanks
Qestions 1.
Healthy eating ______ shows balanced food.
Answer:
pyramid
Qestions 2.
______ happens because of deficiency of iron.
Answer:
anaemia
Qestions 3.
Deficiency of calcium and ______ leads to weak and fragile bones.
Answer:
phosphorus
Qestions 4.
Taking iodised salt can prevent ______
Answer:
goitre
Qestions 5.
______ happens because of vitamin B deficiency.
Answer:
beri-beri.
III. Write True/False
1. Taking balanced food can help prevent deficiency diseases.
2. There is no vaccine for chicken pox.
3. Minerals are present in the body in large amounts.
4. Swollen and bleeding gums are symptoms of scurvy.
5. Soft and weak bones are symptoms of goitre.
Answer:
1. Taking balanced food can help prevent deficiency diseases. (True)
2. There is no vaccine for chicken pox. (False)
3. Minerals are present in the body in large amounts. (False)
4. Swollen and bleeding gums are symptoms of scurvy. (True)
5. Soft and weak bones are symptoms of goitre. (False)
IV. Define the Following
Question 1.
Disease
Answer:
Any abnormality in the body is called disease.
Question 2.
Communicable disease
Answer:
A disease which spreads from one person to another is called communicable disease.
Question 3.
Deficiency disease
Answer:
A disease which happens because of deficiency of nutrients is called deficiency disease.
Question 4.
Symptoms
Answer:
Signs which indicate the presence underlying disease are called symptoms.
Question 5.
Health
Answer:
A state of physical and mental well being is called health.
V. Answer the Following Questions in One Word
Question 1.
Which disease is caused due to deficiency of vitamin A?
Answer:
Night blindness
Question 2. Which disease is caused due to deficiency of vitamin C?
Answer:
Scurvy
Question 3.
Deficiency of which vitamin causes rickets?
Answer:
Vitamin D
Question 4.
Which insect spreads dengue?
Answer:
Mosquito
Question 5.
What are the agents that transmit dengue?
Answer:
By food and water
VI. Answer the Following Questions
Question 1.
What do you understand by nutrients?
Answer:
Various substances which are required by our body are present in food. These substances are called nutrients. Nutrients are required for proper growth and development of our body. Carbohydrates, proteins, fats, vitamins and minerals are the main nutrients.
Question 2.
State the main types of food.
Answer:
Food can be divided into following types:
(a) Energy giving food
(b) Body building food
(c) Protective food
Question 3.
What is needed by our body to maintain good health?
Answer:
For maintaining a good health, our body needs the following:
- A balanced diet
- Regular exercise
- Proper rest
- Good personal hygiene
- Clean and hygienic surroundings
Question 4.
What are the different symptoms of protein-carbohydrate deficiency disease?
Answer:
Following are the symptoms of protein-carbohydrate deficiency disease:
- Improper growth of the body
- Loose skin and sunken eyes
- Thin and light hair
- Person is inactive and gets tired easily
Question 5.
Explain communicable diseases.
Answer:
A disease which can spread from one person to another is called communi-cable disease. Communicable diseases are caused by bacteria, virus, fungi and many other living beings. These are transmitted through food, water, air and contact.