Acellular Life — Biology MCQs (Class 11)
Free chapter-wise Biology MCQs with answers for MDCAT, FSc and entry tests.
Page 3 of 9
#17 Which of the following is a DNA virus?
A) HIV
B) Polio virus
C) Herpes simplex virus
D) Influenza virus
#18 Retroviruses are unique because they use an enzyme called reverse transcriptase to:
A) Replicate their RNA
B) Synthesize DNA from an RNA template
C) Integrate into host DNA
D) Synthesize RNA from a DNA template
#19 The causative agent of AIDS (Acquired Immunodeficiency Syndrome) is:
A) Hepatitis B virus
B) Human Papillomavirus
C) Herpes simplex virus
D) Human Immunodeficiency Virus (HIV)
#20 Which of the following is a viral disease?
A) Tuberculosis
B) Malaria
C) Measles
D) Typhoid
#21 Which virus is a major cause of the common cold?
A) Adenovirus
B) Herpes virus
C) Poxvirus
D) Paramyxovirus
#22 Polio virus is transmitted through:
A) Airborne droplets
B) Contaminated food and water
C) Insect vectors
D) Sexual contact
#23 A virus that causes tumors or cancer is called a:
A) Oncovirus
B) Retrovirus
C) Bacteriophage
D) Viroid
#24 A viroid is a small, infectious agent that consists of:
A) A protein coat and DNA
B) A protein coat and RNA
C) Naked, circular RNA
D) A protein particle
Page 3 of 9
Register or Login for comments
Comments: