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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The cell-mediated immunity inside the human body is carried out by 

1. T-lymphocytes

2. B-lymphocytes

3. thrombocytes

4. erythrocytes

Subtopic:  Details of Immunity | Human Immune System |
 85%
From NCERT
NEET - 2013
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Motile zygote of Plasmodium occurs in

1. gut of female Anopheles

2. salivary glands of Anopheles

3. human RBCs

4. human liver

Subtopic:  Treatment & Life Cycle of Malaria |
 61%
From NCERT
NEET - 2012
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Widal test is carried out to test 

1. malaria

2. diabetes mellitus 

3. HIV/AIDS

4. typhoid fever

Subtopic:  Typhoid Fever |
 93%
From NCERT
NEET - 2012
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Common cold differs from pneumonia in that

1. pneumonia is a communicable disease, whereas the common cold is a nutritional

deficiency disease

2. pneumonia can be prevented by a live attenuated bacterial vaccine, whereas the

common cold has no effective vaccine

3. pneumonia is caused by a virus, while the common cold is caused by the bacterium

Haemophilus influenzae

4. pneumonia pathogen infects alveoli whereas the common cold affects nose and

respiratory passage but not the lungs

Subtopic:  Pneumonia & Related Questions | Common Cold & Malaria Introduction |
 88%
From NCERT
NEET - 2012
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Which one of the following is not a property of cancerous cells, whereas the remaining

three are ?

1. They compete with normal cells for vital nutrients.

2. They do not remain confined in the area of formation 

3. They divide in an uncontrolled manner 

4. They show contact inhibition 

Subtopic:  Cancer |
 83%
From NCERT
NEET - 2012
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In which one of the following options the two example are correctly matched with their particular type of immunity?

Examples Types of immunity
1.   Polymorphonuclear leukocytes and monocytes Cellular barriers
2.  Anti-tetanus and anti-snake bite injections Active immunity
3.   Saliva in mouth and tears in eyes Physical barriers
4.  Mucus coating of the epithelium lining the urinogenital tract and the HCl in the stomach Physiological barriers
Subtopic:  Details of Immunity |
 65%
From NCERT
NEET - 2012
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