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प्रश्न
Mention the contributions of Louis Pasteur
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उत्तर
Louis Pasteur established that many diseases were caused by microbes and he demonstrated the principle of immunisation, vaccines and antibodies.
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संबंधित प्रश्न
Children eating more of fast food tend to suffer from obesity (overweight). Comment.
Any droplet — borne disease.
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.
Name the following:
Two diseases each caused by bacteria, protozoa and virus.
Mention the causal organisms of the following diseases:
Typhoid
Why should you not allow water to stagnate near your house?
Crossword Puzzle
DOWN
- A disease caused due to the bite of a mad dog. (6)
- Kwashiorkor and marasmus are caused due to the deficiency of this food component. (7)
- A disease causing bleeding gums. (6)
ACROSS - A disease due to deficiency of vitamin D. (7)
- Diabetes is caused due to deficiency of this hormone. (7)
- The deficiency of this mineral causes anaemia. (4)
Name few diseases which are transmitted by air.
Fill in the blank:
Intake of inadequate or excess food or unbalanced diet leads to .................
Our living place should be ______.
