Biology Questions And Answers :: Systematics Viruses Viroids Prions: part10



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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