The common cold is characterized by nasal congestion and discharge, sore throat, hoarseness, cough, headache tiredness, etc. which usually lasts for 3-7 days. Infection may occur through

1. Contaminated food and water

2. Hypodermic needles

3. Droplet infection resulting from cough and sneezes

4. Bite of infected mosquito

Common cold is not cured by antibiotics because it is

1. caused by a Gram-negaive bacterium

2. not an infectious disease

3. viral disease

4. caused by a Gram-positive bacterium

Which one of the following organisms is scientifically correctly named, correctly printed according to the International Rules of Nomenclature, and correctly described?

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

1.    Malaria and Filariasis

2.    Pneumonia and the common cold

3.   Typhoid and Ringworms

4.   Pneumonia and Malaria

Which of the following is not an intestinal parasite?

1.    Entamoeba histolytica

2.    Ascaris

3.   Salmonella typhi

4.   Plasmodium

The most infectious human ailment caused by a virus is

1.    Common cold

2.    AIDS

3.   Pneumonia

4.   Lung cancer

Common cold differs from pneumonia in, that:

In malaria; the female Anopheles mosquito is

1.    Host

2.    Vector

3.   Both

4.   Neither host nor vector completely

Which of the following statements is incorrect with respect to malaria?

1 Malaria is a disease caused by a protozoan

2 Malignant malaria is caused by Plasmodium falciparum

3 Parasites enter the mosquito's body and multiply to form sporozoites that are stored in stomach of mosquito

4 Malaria parasites initially multiply within the liver cells in humans

Release of which of the following is responsible for recurrent malarial symptoms?

1 Sporozoites

2 Haemozoin

3 Gametes in blood

4 Hemoglobin