Diseases and its Causes
Diseases and its Causes: Overview
This topic covers concepts, such as, Disease, Causes of Diseases, Symptoms of Disease & Pathology etc.
Important Questions on Diseases and its Causes

Pathology is used in diagnosis of infectious diseases.


The study of disease is called _____.



Which one of the following is the correct matching of a disease with its causative organism and mode of infection?
Diseases | Causative organism | Mode of infection |
(a) Pneumonia | Streptococcus pneumoniae | Droplet infection |
(b) Typhoid | Salmonella typhi | With inspired air |
(c) Malaria | Plasmodium vivax | Bite of infected male Anopheles mosquito |
(d) Elephantiasis | Wuchereria bancrofti | With contaminated food and water |

Any condition that interferes with the normal body functions due to some reasons is called:
(Hint- The word begins with the letter D.)

Alok ate fruit salad from a roadside vendor. The fruits had been cut and exposed to dust and flies. What type of diseases has he exposed himself to?

Define the term incubation period.

Meghan left school early on Tuesday as she was suffering from common cold. The next day, Meghan’s classmate Rita fell sick too. Why did this happen?

“ Good habits lead to a healthy life" – Based on this statement, identify the odd picture among the following pictures,

The micro-organisms _____is a protozoan that causes sleeping sickness in human.

Which of the following is a mismatch

Fever,delirium,slow pulse,abdominal tenderness and rose coloured rash indicate the disease

Oral rehydration solution does not contain

_____ diseases are present since birth due to genetic disorders.

_____is the mineral whose deficiency causes anaemia.

_____ include single-celled living things such as yeast and multicellular clusters such as mushrooms.

_____ are a eukaryotic organism which include Yeasts, moulds and mushrooms.
