Write one important characteristic of virus.

One Line Answer

Virus are dead when present in the environment. They can reproduce only inside the cells of an infected person (as host).

shaalaa.com

Is there an error in this question or solution?

Chapter 2: Microorganisms : Friend and Foe - Short Answer Questions [Page 9]

Chapter 2 Microorganisms : Friend and Foe
Short Answer Questions | Q 21. (b) | Page 9

Cholera is caused by _________.

Explain the harmful effects of micro-organisms.

Give reasons.

There is a possibility of food poisoning if we eat stale food.

Microbes that generally enter the body through nose are likely to affect ______.

Unscramble the jumbled word underlined in the following statement.

Xanrhat is a dangerous bacterial disease

Suggest a suitable word for the following statement.

Chemicals which kill or stop the growth of pathogens

Name two diseases that are caused by virus.

Mention the symptoms and preventive measures undertaken for foot and mouth disease in animals.

Define the following:

Toxin

Differentiate Exotoxins and Endotoxins.