Question

Match the following diseases in column A with their causative agents in column B.

	Column I		Column II
P	Cholera	i	Salmonella
Q	Candidiasis	ii	Mycobacterium
R	Tuberculosis	iii	Vibrio
S	Typhoid	iv	Candida

• A. P- iii, Q - i, R - ii, S - iv
• B. P- iii, Q - iv, R - i, S - ii
• C. P- ii, Q - iv, R - iii, S - i
• D. P- iii, Q - iv, R - ii, S - i

Answer 1

The correct option is D P- iii, Q - iv, R - ii, S - i

All communicable diseases are caused by microorganisms or biological agents known as pathogens. The table depicts some of the common contagious diseases and their respective pathogens.

Cholera
It is a bacterial disease caused by Vibrio cholerae and transmitted by contaminated foods and water.
It is found in places where there is a lack of sanitation facilities.
Some of the symptoms of cholera are weight loss, nausea, vomiting, bloating in the belly, cramps in the muscles, sometimes blood or mucus in the stool.

Candidiasis
It is a fungal infection caused by a yeast, Candida albicans, that normally lives on the skin, mouth, throat, gut and vagina.
Fungi and their spores are common in the environment. People breathe in or come in contact with fungal spores every day without getting sick. People with weak immune systems are more likely to get infected.

Tuberculosis
It is caused by bacterium Mycobacterium tuberculosis.
TB bacteria multiply once it enters the lungs. It can cause severe symptoms such as coughing up blood and mucus that lasts three weeks or longer, sweating at night, pain in the chest, chills and fever.


Typhoid
Salmonella typhi bacteria causes typhoid in human beings. It spreads through contaminated food and water.
The common symptoms include high fever, headache, stomachache, constipation, loss of appetite and in severe cases perforation in the intestine.