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प्रश्न
Write a short (1-2 sentences) note on the following: Pathogens
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उत्तर
The germs that cause diseases to human beings and to other animals and plants are called pathogens. They spread the diseases from person to person or through the air or through the articles of the diseased persons. Pathogens may be different kinds of bacteria, viruses, fungi, protozoans or worms.
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संबंधित प्रश्न
Name the nutrient lacking in one’s diet if a person suffers from:
- Haemorrhage
- Dehydration
- Paralysis
- Tooth decay
- Skin diseases
Mention whether the following statement is true (T) or false (F).
AIDS is caused by a fungus.
Name the following:
A viral disease spread by the bite of a dog
Fill in the blank in the following table:
| Vitamin | Name of the deficiency diseases | Source of vitamin | Function of vitamin |
| Vitamin A | __________ | __________ | __________ |
| __________ | Beri-beri | __________ | __________ |
| Ascorbic Acid | __________ | __________ | __________ |
| __________ | Rickets (in childhood) bones turn soft | __________ | __________ |
Find the odd one out, giving reason:
Multiple choice questions. Tick (✓) the correct choice:
Kwashiorkor is a disease caused by
Fill in the blanks:
Protruding belly is a symptom noticed in ______.
Find the odd one out, giving reasons:
Which one of the following diseases is caused by protozoans?
Give two examples for each of the following
Infectious diseases
