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Which of the following is spread by an insect called rat flea?
  • a)
    Polio
  • b)
    Leprosy
  • c)
    Tuberculosis
  • d)
    Plague
Correct answer is option 'D'. Can you explain this answer?
Most Upvoted Answer
Which of the following is spread by an insect called rat flea?a)Poliob...
The correct answer is option 'D' - Plague.

Explanation:
Plague is a deadly infectious disease caused by the bacterium Yersinia pestis. It is primarily spread through the bites of infected fleas, particularly the rat flea (Xenopsylla cheopis). These fleas commonly infest rats, which act as reservoirs for the bacteria. When an infected rat flea bites a human or animal, it can transmit the bacteria, leading to the development of plague.

Key Points:
- Plague is an infectious disease caused by the bacterium Yersinia pestis.
- It is primarily spread through the bites of infected fleas.
- The rat flea (Xenopsylla cheopis) is a common carrier of the bacteria.
- Rats act as reservoirs for the bacteria, allowing it to persist in the environment.
- When an infected flea bites a human or animal, it can transmit the bacteria, leading to the development of plague.

Differentiating from other options:
a) Polio is caused by the poliovirus and is primarily spread through contaminated food and water, not by fleas.
b) Leprosy is caused by the bacterium Mycobacterium leprae and is primarily spread through prolonged contact with an infected person, not by fleas.
c) Tuberculosis is caused by the bacterium Mycobacterium tuberculosis and is primarily spread through the air when an infected person coughs or sneezes, not by fleas.

Therefore, the correct answer is option 'D' - Plague, as it is the only disease spread by the rat flea.
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Which of the following is spread by an insect called rat flea?a)Poliob)Leprosyc)Tuberculosisd)PlagueCorrect answer is option 'D'. Can you explain this answer?
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