
Basic Science : Systematics Viruses Viroids Prions QUESTIONS AND ANSWERS :: part10 : 21 to 25
Following Basic Science multiple choice objective type questions and answers will help you in many types of 2024 job and other entrance examinations :
21.TMV has a size of |
| 50 nm x 10 nm |
| 100 nm x 20 nm |
| 300 nm x 18 nm |
| 500 nm x 24 nm |
22.Which of the following viruses has DNA? |
| Tobacco Mosaic Virus |
| Cauliflower Mosaic Virus |
| Tomato Mosaic Virus |
| Potato Mosaic Virus |
23.Enzyme needed for production of DNA from RNA template in certain viruses is |
| RNA polymerase |
| Reverse transcriptase |
| DNA helicase |
| DNA polymerase |
24.Plant viruses mostly have |
| DNA |
| RNA |
| Both DNA and RNA |
| Coiled nucleolus |
25.RNA retroviruses have an enzyme that |
| Translates host DNA |
| Polymerises host DNA |
| Transcribes viral RNA to cDNA |
| Destroys host DNA |
More Systematics Viruses Viroids Prions QUESTIONS AND ANSWERS available in next pages
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