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प्रश्न
What are communicable diseases? How can they be avoided?
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उत्तर
Those diseases which spread from one person to another by the entry of microorganisms are known as communicable diseases. The disease-causing germs are called Pathogens. These diseases can be avoided by proper vaccination, healthy food, and hygenic surroundings.
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संबंधित प्रश्न
Put a tick mark (✓) against the correct alternative in the following statement:
Which one of the following is a genetic disease?
Put a tick mark (✓) against the correct alternative in the following statement:
Which one of the following is a degenerative disease?
Put a tick mark (✓) against the correct alternative in the following statement:
Pellagra is one disease caused by the deficiency of:
What is a deficiency disease?
Name the following:
A viral disease caused by the bite of a dog
Write short (1-2 sentences) note on the following:
Disease
Find the odd one out:
Scurvy, rickets, haemophilia, pellagra, night blindness.
Find the odd one out:
Proteins, carbohydrates, fats, minerals, cancer
What is vaccination?
Mention the four ways in which vaccines are prepared, giving the name of one disease for which each type of vaccine is used.
