XII - ZOO - CH - 5 - DNA Vs RNA

RNA is the genetic material in

• A) TMV

• B) Bacteriophage

• C) Both A and B

• D) None of these

Properties of genetic material include

• A) Stable

• B) Mutable

• C) Replicable

• D) All of these

Which is more structurally and chemically stable?

• A) DNA

• B) RNA

• C) Protein

• D) All

RNA viruses show

• A) Less mutation

• B) Faster evolution

• C) Slower evolution

• D) More than one option is correct

DNA is preferred by nature over RNA for

• A) Storage of genetic information

• B) Transmission of genetic information

• C) Expression of genetic information

• D) More than one

Choose incorrect statement RNA

• A) was first genetic material

• B) acts as catalyst too

• C) is more stable than DNA

• D) has protein synthesizing mechanism built around it

The bacteria involved in Hershey & chase experiment of 1952 was

• A) Bacteriophage

• B) E. coli

• C) Streptococcus pneumoniae

• D) Clostridium botulism

Bacteria infected with virus that showed radioactivity had

• A) radioactive DNA (S³²)

• B) radioactive DNA (S³⁵)

• C) radioactive DNA (P³²)

• D) radioactive DNA (P³⁵)

In the experiment performed for proving DNA as genetic material, the bacteriophages were grown on medium containing

• A) radioactive sulfur

• B) radioactive nitrogen

• C) radioactive phosphorous

• D) Both A and C

Avery, Macleod & McCarty discovered that

• A) DNA caused transformation

• B) RNA caused transformation

• C) Protein caused transformation

• D) Lipid caused transformation