Diseases are broadly grouped into infectious and non-infectious diseases. In the list given below, identify the infectious diseases.

I. Cancer                                    II. Influenza
III. Allergy                                  IV. Smallpox
1. I and II                               
2. II and III
3. III and IV                             
4. II and IV

Subtopic:  Common Cold & Malaria Introduction |
 72%
From NCERT
Please attempt this question first.
Hints

The sporozoites that cause infection when a female Anopheles mosquito bites a human being, are stored in

1. liver of the person                      
2. RBCs of mosquito
3. salivary glands of mosquito     
4. gut of mosquito

Subtopic:  Common Cold & Malaria Introduction |
 78%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.

The disease chikungunya is transmitted by

1. house flies                         
2. Aedes mosquitoes
3. cockroach                         
4. female Anopheles

Subtopic:  Introduction |
 84%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.

Many disease can be diagnosed by observing the symptoms in the patient.
Which group of symptoms are indicative of pneumonia?

1. Difficulty in respiration, fever, chills, cough and headache
2. Constipation, abdominal pain, cramps and blood clots
3. Nasal congestion and discharge, cough, sore throat and headache
4. High fever, weakness, stomach pain, loss of appetite and constipation.
Subtopic:  Pneumonia & Related Questions |
 79%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.

The genes causing cancer are called

1. structural genes                         
2. expressor genes
3. oncogenes                               
4. regulatory genes

Subtopic:  Cancer |
 97%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.

In malignant tumours, the cells proliferate, grow rapidly and move to other parts of the body to form new tumours. This stage of disease is called:

1. metagenesis 
2. metastasis   
3. teratogenesis     
4. mitosis

Subtopic:  Cancer |
 89%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.

When an apparently healthy person is diagnosed as unhealthy by a psychiatrist, the reason could be that
 

1. the patient was not efficient at his work
2. the patient was not economically prosperous
3. the patient shows behavioural and social maladjustment
4. he does not take interest in sports

Subtopic:  Introduction |
 85%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.

Which of the following are the reason(s) for rheumatoid arthritis? Choose the correct option.
 

I. Lymphocytes become more active
II. Body attacks self cells
III. More antibodies are produced in the body
IV. The ability to differentiate pathogens or foreign molecules from self-cells is lost



1. l and Il
2. II and IV
3. III and IV
4. I and III

Subtopic:  Allergies & Autoimmunity |
 91%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.

AIDS is caused by HIV. Among the following, which one is not a mode of transmission of HIV?

1. Transfusion of contaminated blood
2. Sharing the infected needles
3. Shaking hands with infected persons
4. Sexual contact with infected persons

Subtopic:  AIDS |
 95%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.

‘Smack’ is a drug obtained from the

1. latex of Papaver somniferum       
2. leaves of Cannabis sativa
3. flowers of Dhatura
4. fruits of Erythroxyl coca

Subtopic:  Drugs & Alcohol Abuse |
 86%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.