#Question id: 40480
#Applied Microbiology
Match the Immune Cell (List I) with its primary characteristic/function (List II).
| List I (Cell Type) | List II (Characteristic) |
| A. B cell | 1. Granulocyte involved in allergic responses; releases histamine. |
| B. Dendritic cell | 2. Produces antibodies; acts as an APC. |
| C. Basophil | 3. Phagocyte; acts as a scavenger and APC. |
| D. Macrophage | 4. Most effective APC; bridge between innate and adaptive immunity. |
#Question id: 40481
#Applied Microbiology
Which specific chemical element, released from CFCs in the stratosphere, acts as a catalyst to break down Ozone (O3) into Oxygen (O2)
#Question id: 40482
#Applied Microbiology
Which international treaty was signed specifically to control the emission of Ozone Depleting Substances (ODS) like CFCs?
#Question id: 40483
#Applied Microbiology
While HFCs (Hydrofluorocarbons) were introduced to replace CFCs because they do not deplete the ozone layer, they are still problematic. Why?
#Question id: 40484
#Applied Microbiology
Read the following statements regarding the breakdown of the ozone layer:
Statement I: UV radiation acts upon Chlorofluorocarbons (CFCs) in the stratosphere to release active Chloride radicals.
Statement II: A single Chlorine radical is consumed after destroying one Ozone molecule and cannot participate in further reactions.
Which of the options is correct?
#Question id: 40485
#Applied Microbiology
Consider the following statements about the "Ozone Hole":
It is most prominent over the Antarctica region.
It forms primarily during the late winter and early spring.
The formation of Polar Stratospheric Clouds (PSCs) facilitates the depletion process.
Which of the statements given above are correct?