McqMate
| Q. |
At Which time interferon is secreted ? |
| A. | When antibody reacts with antigen in our body. |
| B. | When serotonin become active |
| C. | When lymphocytes become active |
| D. | When our body cell's are infected by virus then that cell's secret this chemical. |
| Answer» D. When our body cell's are infected by virus then that cell's secret this chemical. | |
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