The second-most frequent mode of HIV transmission is:
1. through sexual contact with an infected person
2. from mother to child during pregnancy, delivery, or breastfeeding
3. via blood and blood products
4. vector borne

Subtopic:  AIDS |
 54%
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Interferons:
1. cause the lysis of bacterial cells
2. fragment bacterial DNA
3. help phagocytes recognize microbes
4. prevent viral replication
Subtopic:  Details of Immunity |
 79%
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Influenza A virus subtype H5N1 causes:
1. Swine flu 2. Dengue
3. Covid-19 4. Avian influenza
Subtopic:  Common Cold & Malaria Introduction |
 52%
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Antibiotics are used to treat all the following diseases except:
1. Plague
2. Whooping cough
3. Diphtheria
4. Common cold
 
Subtopic:  Ascariasis & Filariasis |
 82%
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Mood swings, increased aggressiveness and reduced fertility in males can be the result of long term abuse of:
1. Narcotic analgesics
2. Anabolic steroids
3. Diurectics
4. Cannabinoids
Subtopic:  Drugs & Alcohol Abuse |
 71%
From NCERT
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Which of the following drugs has a potent stimulating action on CNS, producing a sense of euphoria and increased energy?
1. Cocaine 2. Morphine
3. Barbiturates 4. Benzodiazepines
Subtopic:  Drugs & Alcohol Abuse |
 79%
From NCERT
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Identify the incorrect statement regarding HIV/AIDS:
1. HIV is a retrovirus
2. HIV can be transmitted from an infected mother to her child through placenta.
3. The time lag between infection and the appearance of AIDS symptoms is 7-10 days.
4. HIV destroys helper T lymphocytes.
Subtopic:  AIDS |
 94%
From NCERT
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Identify the incorrectly matched pair:
1. Bone marrow Primary lymphoid organ
2. Thymus Increases in size after puberty
3. Payer’s patches Present in small intestine and appendix
4. Spleen Has a large reservoir of RBCs
Subtopic:  Human Immune System |
 89%
From NCERT
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Which of the following will not be an example of passive immunity?
 
1. Foetus receiving antibodies from  their mother, through placenta.
2. Immunity conferred by IgA antibodies present in colostrums.
3. Giving antivenom [containing antibodies against venom] after snake bite
4. A person developing immunity after natural infection by a pathogen
Subtopic:  Active & Passive Immunity |
 83%
From NCERT
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Identify the incorrectly matched pair:
1. Wuchereria Filariasis
2. Streptococcus Pneumonia
3. Rhinoviruses Common cold
4. Trichoderma Ringworm
Subtopic:  Pneumonia & Related Questions | Common Cold & Malaria Introduction | Ascariasis & Filariasis | Fungal Infection & Concept of Immunity |
 70%
From NCERT
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