Page 59 - Active Science 5 Ebook and Activity

D. Match the following.

1. Scurvy a. keep us free from diseases
2. Night blindness b. vitamin B
3. Rickets c. a very good solvent

4. Vitamins d. vitamin A
5. Beriberi e. vitamin D
6. Water f. building blocks in our food

7. Proteins g. vitamin C
8. Tuberculosis h. through germs in air

E. Name two foods rich in the following vitamins.

1. Vitamin A ___________ __________
2. Vitamin B ___________ __________

3. Vitamin C ___________ __________
4. Vitamin D ___________ __________

F. Short Answer Questions.
1. Give the importance of a balanced diet.
2. What is roughage? Cite its importance in our food.
3. List the importance of water in our diet.
4. Why are deficiency diseases non-communicable?
5. What is scurvy?
6. What is the effect of beriberi?
7. Why is vaccination important?
8. What are the symptoms of malaria and how can it be prevented?
9. How can communicable diseases be avoided?

10. How can a person suffering with a cold or flu avoid spreading germs?

G. Long Answer Questions.
1. Enlist and describe five kinds of nutrients.
2. Write a note on any two deficiency diseases.

3. Suggest some ways to prevent the spread of malaria.

Think Hard

The amount of nutrients required varies for different people. Justify the statement.

Project Work
1. Spot any six places around your house where micro-organisms are likely to grow.

2. Go to the primary Health Centre in your area or invite the doctor to visit your school. Ask the
doctor which communicable diseases he or she has treated in the past year. Ask for advice
on how to prevent diseases.

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