Biodiversity Chapter Test According to PMDC syllabus 2024 by MDCAT GEEK

Biodiversity Chapter Test

Subtopics:

• Classification of Viruses
• Discovery of Viruses
• Structure of Viruses
• Viral Disease (e.g., AIDS)

Learning Objectives:

1. Discovery of Virus:

Learning Objectives:

• Trace the discovery of the virus.

2. Classification of Viruses:

Learning Objectives:

• Classify viruses based on their structure, number of strands, diseases, host, etc.

3. Viral Disease (AIDS):

Learning Objectives:

• Identify symptoms, mode of transmission, and cause of viral disease (AIDS).

Learning Objectives Summary:

• Trace the discovery of the virus.
• Classify viruses based on their structure, number of strands, diseases, host, etc.
• Identify symptoms, mode of transmission, and cause of viral disease (AIDS).

Overall, the test aims to evaluate students' knowledge of the classification, discovery, structure of viruses, and understanding of a specific viral disease (AIDS), including its symptoms, transmission mode, and causative factors.

Test Details:

The test includes Multiple Choice Questions (MCQs) sourced from past papers of reputable institutions such as UHS (University of Health Sciences), NUMS (National University of Medical Sciences), ETEA (Educational Testing and Evaluation Agency), and SZABMU (Shaheed Zulfiqar Ali Bhutto Medical University).

Wrong Answers :

Which of the following infectious particles only contain RNA?

1.  Prion
2.  Viriod
3.  Virus
4. None

Which one of the following is a retrovirus?

1. HIV
2. Influenza
3. Mumps
4. All of these

The viral genome, incorporated and integrated with the bacterial genome is referred to as:

1. Prophage
2. DNA
3. Virulent phage
4. none

Smallpox is a _______

1. DNA virus
2. RNA virus
3. DNA enveloped virus
4. RNA enveloped virus

All are characteristics of Poliovirus except:

1. Small
2. Spherical
3. Acellular
4. DNA

The virus was first discovered by:

1. K.M Smith
2. Twart
3. Stanley
4. Ivanowski

What is the size range of viruses:

1. 250nm to 200nm
2. 250nm to 100nm
3. 200nm to 20nm
4. 250nm to 20nm

Lysogenic viruses are also known as:

1. Bacteriophage
2. Enveloped phage
3. Virulent phage
4. Prophage

Enveloped RNA virus that causes infusion Hepatitis:

1. HBV
2. HAV
3. HCV
4. None of these

Reverse transcriptase is used to make DNA copies of:

1. Host RNA
2. Host DNA
3. Viral DNA
4. Viral RNA

Viruses don't have

1. Fossil record
2. Reproductive ability
3. Trances in history
4. Nucleic Acid

When was bacteriophage discovered by Twort?

1. 1915
2. 1910
3. 1917
4. 1990

The virus that was discovered in 1901:

1. TMV
2. Corona
3. Bacteriophage
4. Yellow fever virus

Size of the parvovirus is:

1. 200 nm
2. 20 nm
3. 250 nm
4. 100 nm

The number of capsomeres found in the herpes virus is:

1. 252
2. 200
3. 262
4. 162

The causative agent of AIDs was named in

1. 1986
2. 1980
3. 1992
4. 197

In what year did WHO declare that smallpox was completely eradicated?

1. 1990
2. 1980
3. 1986
4. 1981

What happens with the original RNA of HIV after Reverse transcription

1. Its degraded
2. It is converted to DNA
3. It is transcribed
4. It directly produces protein

Receptor site for attachment of HIV is:

1. CD8
2. Antigen A
3. Glycoprotein 120
4. CD4

Enzyme that helps in the attachment of viral DNA with Host DNA:

1. Transcriptase
2. Reverse Trnascriptase
3. Integrase
4. Protease