The most infectious human ailment caused by virus is

1. Common cold

2. AIDS

3. Pneumonia

4. Lung cancer

The infection of nose and respiratory passage but not lungs is a distinguishing feature of

1. Pneumonia

2. Common cold

3. AIDS

4. Dengue

The following features: Nasal congestion and discharge, sore throat, hoarseness, cough, headache, tiredness; characterizes which infection?

1. Fever

2. Pneumonia

3. Common cold

4. AIDS

The symptoms of common cold lasts for

1. Generally 1 day

2. Generally 2-3 days

3. Usually, At maximum 14 days

4. Usually 3-7 days

The means of spread of which two infectious disease is common?

1. Malaria and Filariasis

2. Pneumonia and common cold

3. Typhoid and Ringworms

4. Pneumonia and Malaria

Malaria can be understood well by which statement?

1. Plasmodium, a macroscopic protozoan is responsible for Malaria

2. The bite of female Anopheles mosquito will always lead to malaria

3. Chills and high fever recurring every 6 to 7 days are because of haemozoin

4. Sporozoites are formed in mosquito's body

In malaria; female Anopheles mosquito is

1. Host

2. Vector

3. Both

4. Neither host nor vector completely

Reproduction of parasite(plasmodium) in red blood cells is

1. Asexual

2. Sexual

3. Both

4. Do not reproduce there

Sexual reproduction of parasite (plasmodium) occurs in

Mature infective stage called sporozoites is formed in