Systematics Viruses Viroids Prions - Questions & Answers | Exam2Win

Take a timed mock test specifically for Systematics Viruses Viroids Prions.

156. In some viruses, RNA is present instead of DNA indicating that

A. Their nucleic acid must combine with host DNA before replication

B. They cannot replicate

C. There is no hereditary information

D. RNA can act to transfer heredity

Explanation:

157. Organisms are classified to

A. Know their distribution

B. Establish relationships

C. Know their major traits

D. Study evolution

Explanation:

158. Bacteriophage is

A. Virus attacking bacteria

B. Virus attacking virus

C. Bacterium attacking virus

D. Stage in bacterial life cycle

Explanation:

159. Protein cover of virus is

A. Capsid

B. Virion

C. Viroid

D. Bacterial wall

Explanation:

160. A vertebrate virus which replicates in an arthropod is

A. Papova Virus

B. Parvo Virus

C. Adeno Virus

D. Reo Virus

Explanation: