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Read the following statements and select...

Read the following statements and select the option which identifies the incorrect ones.
(i) Potato spindle tuber disease and Chrysanthermum stunt disease are caused by viroids.
(ii) `T_(4)` bacteriophage exhibits lytic cycle.
(iii) Retroviruses have two copies of ssRNA.
(iv) Interferous which prevent viral multiplication are glycolipid particles.

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