Question
Regarding viral genetic material, which statement is
correct?Solution
Viruses are categorized based on their genetic material. They contain either DNA or RNA, but never both simultaneously. Viroids (option e) are infectious agents with circular RNA, not DNA. Options c and d are incorrect as plant/animal viruses can have either DNA or RNA. Â
6Â Â Â Â Â Â Â Â Â Â Â Â Â 7Â Â Â Â Â Â Â Â Â Â Â Â Â 15Â Â Â Â Â Â Â Â Â Â 46Â Â Â Â Â Â Â Â Â Â 185Â Â Â Â Â Â Â Â ?
...18, 25, 33, 42, 52, 63, ?
5 4 29 24 185 ?
23 48 98 198 ? 798
...5 29 ? 569 1703 3401
...Four terms are in proportion. The first, second and fourth terms are 4, 22, and 33. Find the third term.
20Â Â Â 60Â Â Â Â 150Â Â Â Â 300Â Â Â 450Â Â Â ?
-3 -10 -40 -185 -905 -4500
-4 a b c d e
Find the value of d.
...10Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â 19Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â 58Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â ...
Three series are given below. You have to find the values of P, Q and R, then establish a relationship among them.
I:Â Â 840, P , 584, 456, 5...