Human Health and Diseases — Class 12 Biology PYQs

The disease caused by Wuchereria bancrofti is :
[Max Marks: 1 | Set: 57/2/3]

Pathogen of which one of the following diseases enters the human body through contaminated food and water ?
[Max Marks: 1 | Sets: 57/2/2]

Which one of the following statements is correct about B-cells and T-cells of the immune system ?
[Max Marks: 1 | Sets: 57/2/1]

The pathogen causing typhoid fever is transmitted through :
[Max Marks: 1 | Sets: 57/1/2]

Which of the following pairs is a correct match ?
[Max Marks: 1 | Sets: 57/1/3]

B-cells are activated by the binding of a specific :
[Max Marks: 1 | Sets: 57/2/3]

Which one of the following techniques is commonly used to diagnose AIDS ?
[Max Marks: 1 | Sets: 57/1/1]

Identify the correct cellular sites for production of antibodies :
[Max Marks: 1 | Sets: 57/1/3]

Cocaine is a stimulant obtained from the ________.
[Max Marks: 1 | Sets: 57/2/2]

Cocaine obtained from the leaves of Erythroxylum coca is a stimulant that affects the functioning of :
[Max Marks: 1 | Sets: 57/1/2]