The video discusses common human diseases caused by various pathogens such as bacteria, viruses, fungi, and protozoa. It explains how these pathogens enter the body, multiply, and cause diseases. The video covers specific diseases like typhoid and pneumonia, detailing their symptoms, modes of transmission, and prevention methods. It also discusses the common cold, highlighting its symptoms and how it spreads through droplets or contaminated objects.

What are pathogens described as in the context of common diseases?

• Vitamins

• Nutrients

• Parasites

• Beneficial organisms

Which pathogen is responsible for causing typhoid?

• Escherichia coli

• Streptococcus pneumoniae

• Rhinoviruses

• Salmonella typhi

How does the typhoid pathogen typically enter the human body?

• Through contaminated food and water

• Through direct contact with an infected person

• Through the skin

• Through insect bites

What is a common symptom of pneumonia?

• Nasal congestion

• Stomach pain

• High fever

• Gray to bluish lips and fingernails

What is the mode of transmission for pneumonia?

• Direct skin contact

• Droplets from an infected person

• Insect bites

• Contaminated water

Which pathogen causes the common cold?

• Salmonella typhi

• Streptococcus pneumoniae

• Rhinoviruses

• Influenza virus

What part of the body does the common cold primarily affect?

• Upper respiratory tract

• Lungs

• Skin

• Small intestine

Which of the following is a symptom of the common cold?

• Stomach pain

• Nasal congestion

• Gray to bluish lips

• High fever

How can the common cold be transmitted?

• Through direct skin contact

• Through contaminated objects

• Through contaminated food

• Through insect bites

Which of the following objects can potentially transmit the common cold?

• Clothes

• Books

• Furniture

• Shoes