Biotech Engineering MCQs

Q:

Cervarix is highly effective in preventing HPV infections.

A) True B) False
 
Answer & Explanation Answer: A) True

Explanation: The Cervarix vaccine is highly effective in preventing HPV infections. It prevents 100 percent of the precancerous cervical cell changes caused by the types of HPV targeted by the vaccine.

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Category: Biotech Engineering MCQs
Sub Category: Virology Mcqs

32
Q:

CMI plays a role in combating HPV infections.

A) True B) False
 
Answer & Explanation Answer: A) True

Explanation: The cell-mediated immunity (CMI) plays a major role in combating papillomavirus infections. The deficiencies of CMI leads to high frequencies of genital warts as well as anogenital neoplasias.

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Category: Biotech Engineering MCQs
Sub Category: Virology Mcqs

26
Q:

Which of the following is a genital tract infection?

A) Butcher’s wart B) Epidermodysplasia verruciformis
C) Epithelial hyperplasia D) Condyloma acuminatum
 
Answer & Explanation Answer: D) Condyloma acuminatum

Explanation: Condyloma acuminatum is a genital tract infection caused by papillomaviruses. It is caused by certain types of papillomavirus and is a sexually transmitted infection. It is also known as genital warts or anogenital warts.

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Category: Biotech Engineering MCQs
Sub Category: Virology Mcqs

41
Q:

Which of the following is the disease of the skin caused by papillomaviruses?

A) Flat wart B) Epithelial hyperplasia
C) Oral papilloma D) Genital malignancies
 
Answer & Explanation Answer: A) Flat wart

Explanation: Flat wart is a skin disease caused by papillomaviruses and is mostly found in children and young adults. It is also known as juvenile warts. They disappear on their own and do not require any treatment.

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Category: Biotech Engineering MCQs
Sub Category: Virology Mcqs

33
Q:

The assembly of virion of papillomavirus occurs in the ___________

A) mitochondria B) nucleus
C) cytoplasm D) plasma membrane
 
Answer & Explanation Answer: B) nucleus

Explanation: The assembly of virion of papillomavirus occurs in the nucleus of the host cell. The viral genome migrates to the nucleus where transcription, DNA replication, and virion assembly occurs.

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Category: Biotech Engineering MCQs
Sub Category: Virology Mcqs

27
Q:

The virion of Deltavirus is heterogeneous.

A) True B) False
 
Answer & Explanation Answer: A) True

Explanation: The virion of Deltavirus or HDV is heterogeneous in size (30 – 40 nm) and roughly spherical. The coat of the virion is composed of HBsAg, mainly lacking the pre-S regions.

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Category: Biotech Engineering MCQs
Sub Category: Virology Mcqs

31
Q:

Who detected the novel antigen delta?

A) Rizzetto B) Watson
C) Franklin D) Crick
 
Answer & Explanation Answer: A) Rizzetto

Explanation: Rizzetto in the year 1977 detected a novel antigen delta in the nuclei of hepatocytes from the severe cases of hepatitis B. The delta agent is now known as the hepatitis D virus, is a defective satellite virus that is found only in the association with HBV helper virus.

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Category: Biotech Engineering MCQs
Sub Category: Virology Mcqs

30
Q:

Which of the following is also known as Deltavirus?

A) Hepatitis B B) Hepatitis A
C) Hepatitis C D) Hepatitis D
 
Answer & Explanation Answer: D) Hepatitis D

Explanation: Hepatitis D is also known as Deltavirus and is unique among human viruses and some regard it as a subviral agent falling outside the definition of a virus. It consists of single-stranded RNA as its genome.

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Category: Biotech Engineering MCQs
Sub Category: Virology Mcqs

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