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What is a communicable disease?
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Explanation: Communicable diseases are infectious diseases that can spread from one organism to another by various ways. They include common cold, cholera, tuberculosis, AIDS, etc.
Hence the correct option is A.
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Question 3
Tick the correct answer.
(a) Yeast is used in the production of(i) sugar (ii) alcohol (iii) hydrochloric acid (iv) oxygen
(b) The following is an antibiotic.
(i) Sodium bicarbonate (ii) Streptomycin (iii) Alcohol (iv) Yeast
(c) Carrier of malaria-causing protozoa is
(i) female Anopheles mosquito (ii) cockroach (iii) housefly (iv) butterfly
(d) The most common carrier of communicable diseases is
(i) ant (ii) housefly (iii) dragonfly (iv) spider
(e) The bread or idli rises because of
(i) heat (ii) grinding (iii) growth of yeast cells (iv) kneading
(f) The process of conversion of sugar into alcohol is called
(i) nitrogen fixation (ii) moulding (iii) fermentation (iv) infection
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| Question Text | What is a communicable disease? |
| Answer Type | Text solution:1 |
| Upvotes | 150 |
