DNA damage leading to neoplastic transformation can be brought about by ionizing radiations like :
1. UV rays 
2. Gamma rays 
3. Infrared waves
4. Radio waves

Subtopic:  Cancer |
 59%
From NCERT
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The skeletal structure shown in the given diagram shows the structure of :

  

1. Morphine 2. Diacetyl morphine
3. Cannabinoid 4. Cocaine
Subtopic:  Drugs & Alcohol Abuse |
 70%
From NCERT
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Ringworm in humans can be caused by infection with all the following except:
1. Microsporum
2. Taenia
3. Trichophyton
4. Epidermophyton

Subtopic:  Ascariasis & Filariasis | Fungal Infection & Concept of Immunity |
 89%
From NCERT
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Match each disease with its correct type of vaccine.

     Column I

     Column II

A. Tuberculosis

1. Harmless virus

B. Whooping cough    

2. Inactivated toxin

C. Diphtheria

3. Killed bacteria

D. Polio

4. Harmless bacteria

Codes:

 

A     

B     

C     

D

(1)    

2

1

3

4

(2)

3

2

4

1

(3)

4

3

2

1

(4)  

1

2

4

3

Subtopic:  Introduction |
NEET - 2015
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MALT constitutes about..........per cent of the lymphoid tissue in human body.
(1) 50%
(2) 20%
(3) 70%
(4) 10%

Subtopic:  Human Immune System |
 85%
From NCERT
NEET - 2017
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Transplantation of tissues/organs fails often due to non-acceptance by the patient's body. Which type of immune-response is responsible for such rejections?

(1) Autoimmune response

(2) Cell-mediated immune response

(3) Hormonal immune response

(4) Physiological immune response

Subtopic:  Details of Immunity |
 89%
From NCERT
NEET - 2017
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Which of the following sets of diseases is caused by bacteria?

(1) Cholera and tetanus

(2) Typhoid and smallpox

(3) Tetanus and mumps

(4) Herpes and influenza

Subtopic:  Pneumonia & Related Questions |
 65%
NEET - 2016
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Which of the following is correct regarding AIDS causative agent HIV?
(1) HIV is enveloped virus containing one molecule of single-stranded RNA and one molecule of reverse transcriptase

(2) HIV is enveloped virus that contains two identical molecules of single-stranded RNA and two molecules of reverse transcriptase

(3) HIV is not enveloped retrovirus

(4) HIV does not escape but attacks the acquired immune response

Subtopic:  AIDS |
NEET - 2016
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Asthma may be attributed to
1. allergic reaction of the mast cells in the lungs
2. inflammation of the trachea
3. accumulation of fluid in the lungs
4. bacterial infection of the lungs

Subtopic:  Allergies & Autoimmunity |
 73%
From NCERT
NEET - 2016
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In higher vertebrates, the immune system can distinguish self-cells and non-self. If this property is lost due to genetic abnormality and it attacks self-cells, then it leads to 
1. graft rejection 
2. auto-immune disease 
3. activate immunity 
4. allergic response 

Subtopic:  Allergies & Autoimmunity |
 87%
From NCERT
NEET - 2016
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