Acid in stomach, saliva in the mouth, tears from eyes, all prevent microbial growth belong to which of the following barriers?

1. Physical barrier

2. Physiological barrier

3. Cellular barrier

4. Cytokine barrier

Subtopic:  Fungal Infection & Concept of Immunity |
 90%
From NCERT
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A person who met with a road accident is likely to develop tetanus, can be immunised by administering

1. Weakened germs

2. Dead germs

3. Preformed antibodies

4. Wide spectrum antibiotics

Subtopic:  Active & Passive Immunity |
 85%
From NCERT
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A person suffering from a disease caused by Plasmodium, experiences chill and fever at the time when?

1. The sporozites released from RBCs are being rapidly killed and broken down inside spleen

2. The trophozites reach maximum growth and give out certain toxins

3. The parasite after its rapid multiplication inside RBCs ruptures them, releasing the stage to enter fresh RBCs

4. The microgametocytes and megagametocytes are being destroyed by the WBCs

Subtopic:  Treatment & Life Cycle of Malaria |
 76%
From NCERT
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The drug called 'Heroin' is synthesized by:

1. nitration of morphine 2. methylation of morphine
3. acetylation of morphine 4. glycosylation of morphine
Subtopic:  Drugs & Alcohol Abuse |
 88%
From NCERT
NEET - 2019
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Identify the correct pair representing the causative agent of typhoid fever and the confirmatory test for typhoid.

1. Salmonella typhi/Widal test

2. Plasmodium vivax/UTI test

3. Streptococcus pneumoniae/Widal test

4. Salmonella typhi/Anthrone test

Subtopic:  Typhoid Fever |
 95%
From NCERT
NEET - 2019
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Colostrum, the yellowish fluid, secreted by the mother during the initial days of lactation is very essential to impart immunity to newborn infants because it contains:

1.Immunoglobulin A2.Natural killer cells
3.Monocytes4.Macrophages

Subtopic:  Active & Passive Immunity |
 94%
From NCERT
NEET - 2019
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Which of the following immune responses is responsible for the rejection of kidney graft?

1. Cell-mediated immune response

2. Auto-immune response

3. Humoral immune response

4. Inflammatory immune response

Subtopic:  Details of Immunity |
 87%
From NCERT
NEET - 2019
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Morphine, which is used as an analgesic is obtained from:

1. Taxusbrevifolia

2. Berberisnilghiriensis

3.Cinchona officinalis

4. Papaversomniferum

Subtopic:  Drugs & Alcohol Abuse |
 88%
From NCERT
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Match the items of column I with column II and choose the correct option from the codes given below.

1. A-4 B-1 C-2 D-3

2. A-2 B-1 C-4 D-3

3. A-2 B-4 C-1 D-2

4. A-2 B-3 C-4 D-1

Subtopic:  Human Immune System |
 81%
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Alcoholism may lead to:

1. skin cancer

2. liver cirrhosis

3. viral disease

4. eye infections

Subtopic:  Drugs & Alcohol Abuse |
 93%
From NCERT
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