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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Antivenom injection contains preformed antibodies while polio drops that are

administered into the body contain

1. harvested antibodies

2. gamma globulin

3. attenuated pathogens

4. activated pathogens

Subtopic:  Active & Passive Immunity |
 67%
From NCERT
NEET - 2016
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Which of the following immunoglobulins does constitute the largest percentage in human

milk?

1. lgD

2. IgM

3. IgA

4. lgG

Subtopic:  Active & Passive Immunity |
 77%
From NCERT
NEET - 2015
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If you suspect major deficiency of antibodies in a person, to which of the following would

you look for confirmatory evidence?

1. Fibrinogen in plasma

2. Serum albumins

3. Haemocytes

4. Serum globulins

Subtopic:  AIDS |
 55%
NEET - 2015
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Grafted kidney may be rejected in a patient due to

1. Humoral immune response

2. Cell-mediated immune response

3. Passive immune response

4. Innate immune response

Subtopic:  Details of Immunity |
 95%
From NCERT
NEET - 2015
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Whic of the following diseases is caused by a protozoan?

1. Syphilis

2. Influenza

3. Babesiosis

4. Blastomycosis

Subtopic:  Common Cold & Malaria Introduction |
NEET - 2015
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Which of the following viruses is not transferred through semen of an infected male?

(1) Hepatitis-B virus

(2) Human immunodeficiency virus

(3) Chikungunya virus

(4) Ebola virus

Subtopic:  AIDS |
 77%
NEET - 2015
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The active form of Entamoeba histolytica feed upon

1. Erythrocytes, mucosa and submucosa of colon

2. Mucosa and submucosa of colon only

3. Food in intestine

4. Blood only

Subtopic:  Amoebiasis |
NEET - 2015
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Which is the particular type of drug that is obtained from the plant whose one flowering branch is shown below?

1. Hallucinogen

2. Depressant

3. Stimulant

4. Pain-killer

Subtopic:  Drugs & Alcohol Abuse |
 75%
From NCERT
NEET - 2014
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At which stage of HIV infection does one usually show symptoms of AIDS?

1. Within 15 days of sexual contact with an infected person 

2. When the infected retro virus enters host cells

3. When HIV damages large number of helper T-Lymphocytes

4. When the viral DNA is produced by reverse transcriptase 

Subtopic:  AIDS |
 87%
From NCERT
NEET - 2014
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