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प्रश्न
Biting nails should be strictly avoided. Give reason.
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उत्तर
Nail biting may cause many disease as the dirt has many bacteria causing diseases. Nails should be cut from time to time to save from diseases.
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संबंधित प्रश्न
Children eating more of fast food tend to suffer from obesity (overweight). Comment.
Two viral diseases caused by mosquito bites
Fill in the blank in the following table:
| Vitamin | Name of the deficiency Diseases | Source of vitamin | Function of vitamin |
| Vitamin A | .............. | ............ | |
| ............ | Beri-beri | ........... | |
| Ascorble acid | Rickets (in childhood bones turn soft) | .......... | |
| ........... |
Given a crossword puzzle. Read the clues across and clues downward, and fill up the blank squares. Check up your performance with the correct solution given at the end.
Clues across
- Category of the pathogen that causes diseases, like common cold and mumps.
- These may readily grow in your hair if you do not wash it regularly.
- This is the vaccine for preventing tuberculosis.
- Cover this part of your body by a handkerchief while sneezing to prevent droplet infection to others.
- The disease pertussis is popularly known as whooping
- One of the most common insects which visit our exposed foods and contaminates them.
- A disease that weakens the body’s defense system
8. Germ or germ – substance introduced into the body to prevent the occurrence of an infectious disease.
9. A disease in which the eyes, the skin, and the urine turn yellow.
10. An organ usually affected by tuberculosis.
11.A disease caused by the bite of an infected dog, and which affects the central nervous system.
Multiple choice questions. Tick (✓) the correct choice:
Kwashiorkor is a disease caused by
- microbes
- deficiency of nutrients
- environment
- defects in body organs
Find the odd one out, giving reasons:
Goitre, tooth decay, anaemia, rickets.
Answer the following question:
What is meant by PEM? Name the diseases caused by PEM.
Multiple choice questions. Tick (✓) the correct choice:
Malfunctioning of pancreas causes
- diabetes
- arthritis
- cataract
- goitre
Fill in the blank:
Intake of inadequate or excess food or unbalanced diet leads to .................
List 3 ways by which you should keep your environment clean
