Question

Which of the following diseases are caused by pathogenic bacteria? (i) Citrus canker (ii) Malaria and sleeping sickness (iii) Typhoid (iv) Influenza​

Answer 1

Citrus canker and typhoid are provoked by pathogenic bacteria. So options (I) and (iii) are the correct ones.

• Malaria and sleeping sickness is caused by protozoa.
• Malaria and sleeping sickness is caused by protozoa.influenza is caused by viruses.
• Typhoid is caused by salmonella typhi bacteria.
• The bacteria that induce infections in humans are called “pathogenic bacteria”. There are thousands of bacteria existing in the gut that are useful for humans. The pathogenic bacteria in humans are less than a hundred species.
• Bacterial diseases are contagious diseases that dissipate from one person to another.