Chapter 13 – Why do we Fall Ill

 You are aware of Polio Eradication Programme in your city. Children are vaccinated because

Making anti-viral drugs is more difficult than making anti-bacterial medicines because
i. Viruses make use of host machinery
ii. Viruses are on the border line of living and non-living
iii. Viruses have very few biochemical mechanisms of their own
iv. Viruses have a protein coat

Choose the correct option among the following:

 Many of the people suffer from the problem of acnes and feel annoyed of the ugly skin texture caused due to the acne spots. Can you guess the microorganism causing these acne?

 If you live in an overcrowded and poorly ventilated house, then you may suffer from which of the following diseases?
i. Cholera
ii. AIDS
iii. Air borne disease
iv. Cancer
Choose the correct option among the following:

 Antibiotics are ineffective against the viral infections. For each type of the viral infection, human body produces its own antiviral protein that is released from the infected and dying host cells. What is this protein called?

 Cancer is a disease caused due to the uncontrolled growth of tissues in any part of body.  This disease comes under which of the following types?

 The main symptoms of the HIV-AIDS infection are due to the fact that patient’s body can no longer fight off many minor infections and hence becomes the reason of the patient’s ultimate death.
This happens because:

 Tuberculosis is a disease which spreads from one person to another directly or indirectly is diagnosed with the help of a protein extracted from a bacterium called Mycobacterium tuberculosis which also causes the disease. What is the name of this protein?

 Cholera is an infectious, fatal disease caused by the bacterium which lives and multiplies in the small intestine. The disease sometimes occurs in epidemic form. Which of the following is not a reason for the spread of the disease?

For the prevention of the dehydration, the patient is advised to take Oral Rehydration Solution (ORS). The main components of ORS solution are:

TAB-vaccine is used to provide immunity against Typhoid for a period of three years.What is the correct abbreviation of TAB?

 Water makes averagely about 60% part of human body and is necessary in every biochemical reaction occurring in human body. Which of the following is a disease which is caused due to the loss of water in the body making the patient seriously ill in a very short time?

Which of the following is an incorrect statement about tuberculosis?
i. It is caused by Salmonella
ii. It commonly affects immune system
iii. Bacteria release tuberculin toxin
iv. Patient’s sputum contains blood
Choose the correct option among the following:

 Mosquitoes are often seen breeding on the stagnant water. We should not allow mosquitoes to breed in our surroundings because they

 Infectious diseases are the diseases that can spread from infected person to the healthy person. Which of the following can make you ill if you come in contact with an infected person?

Which one of the following is not a viral disease?

Which one of the following is not a bacterial disease?

Which one of the following causes Kala-azar?

AIDS cannot be transmitted by:

Which one of the following diseases is not caused by bacteria?

Viruses, which causes hepatitis are transmitted through:

The name of bacterial disease is

T.B. (Tuberculosis) is caused by:

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