The principal psychoactive principle present in the hemp plant, Cannabis sativa, is:
1. acetyl salicylic acid
2. diacetylmorphine
3. tetrahydrocannabinol
4. lysergic acid dimethylamide

 

Subtopic:  Drugs & Alcohol Abuse |
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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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Primary lymphatic organs serve as the site for:

1. antibody formation

2. lymph formation

3. lymphocytes to encounter and bind to antigens

4. lymphocyte formation and maturation

Subtopic:  Details of Immunity |
 68%
From NCERT
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AIDS is characterized by the presence of:

1. Nosocomial infections

2. Iatrogenic infections

3. Opportunistic infections

4. Subclinical infections  

Subtopic:  AIDS |
 68%
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The receptors for the drug shown below are located in :

Morphine - Wikipedia

1. CNS and CVS

2. CVS and GIT

3. CNS and GIT

4. CNS and PNS

Subtopic:  Drugs & Alcohol Abuse |
 82%
From NCERT
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Study the diagram given and choose the incorrect statement :

1. A : retrovirus replicates outside the cell

2. B : viral DNA is produced by the host Reverse transcriptase 

3. C : viral DNA incorporates into the host genome

4. D : New viral DNA is produced by the infected cell

Subtopic:  AIDS |
From NCERT
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In the given diagram, A and B represent respectively:

1. The N and the C terminus of the polypeptide

2. The C and the N terminus of the polypeptide

3. The constant and variable regions of the antibody molecule

4. The variable and constant regions of the antibody molecule

Subtopic:  Details of Immunity |
 56%
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Consider the given stages in the life cycle of Plasmodium and choose the correctly matched pair :

 

1. A : Merozites infect human when mosquito bites
2. B : Parasite reproduced sexually in liver cells
3. C : Symptoms of malaria
4. D : Fertilization in hemocoel of the mosquito

Subtopic:  Treatment & Life Cycle of Malaria |
 54%
From NCERT
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