MCQOPTIONS
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				| 1. | 
                                    Raju buried a dead rat under the soil. When he dug up one year later, he found that it had decayed and decomposed. Which of the following is responsible for the decay? | 
                            
| A. | Bacteria | 
| B. | Virus | 
| C. | Sand | 
| D. | Protozoa | 
| Answer» B. Virus | |