Biology Mcqs

A virion is______________?

(A) Virus

(B) Viral protein

(C) Viral lysozyme

(D) Viral gene

Submitted By: Ali Uppal


Which of the statement about viruses is incorrect___________________?

(A) We can not grow them in laboratories on artificial medias

(B) They are obligate intracellular parasite.

(C) They can synthesize their nucleic acid

(D) They are resistant to most of antibiotic treatment

Submitted By: Ali Uppal


Submitted By: Ali Uppal


The name Bacteriophage was coined by____________?

(A) Charles Chamberland

(B) Ivanowski

(C) Twort

(D) D Herelle

Submitted By: Ali Uppal


Vaccine Was discovered by______________?

(A) Louis Pasteur

(B) Edward Jennar

(C) Ivanowski

(D) Stanely

Submitted By: Ali Uppal


Kangaroo rat most probably would be found in___________?

(A) Tropical rain forest

(B) Tundra

(C) Grass land

(D) Desert

Submitted By: Ali Uppal


An enzyme which can convert single stranded RNA into double stranded viral DNA is called____________?

(A) DNAase

(B) RNAase

(C) DNA polymerase

(D) Reverse Transcriptase

Submitted By: Ali Uppal


Which of the following is incorrect for the lysogenic cycle in life cycle of bacteriophage_____________?

(A) Phage when gets incorporated with the bacterial chromosome is called prophage

(B) The bacterium continues to live and reproduce normally

(C) Lysogenic bacteria may get infected by the related phage

(D) The cycle may convert into lytic type resulting from environmental exposure

Submitted By: Ali Uppal


Which of the following virus has special affiliations with the tumor production:

(A) Hepatitis virus

(B) Retrovirus

(C) Polio virus

(D) Pox virus

Submitted By: Ali Uppal


The agent of controversial nature causing mad cow infection is_____________?

(A) Bacteria

(B) Cowpox Virus

(C) Adenovirus

(D) Prion

Submitted By: Ali Uppal