MCQOPTIONS
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MCQOPTIONS
This section includes 47 Mcqs, each offering curated multiple-choice questions to sharpen your Viruses From Animal and Plants knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
The viral genome is enveloped in a protein coat known as |
| A. | Capsid |
| B. | Outer envelope |
| C. | Capsomere |
| D. | Nucleic |
| Answer» B. Outer envelope | |
| 2. |
The genetic constituent of viruses is ________. |
| A. | RNA |
| B. | DNA |
| C. | ss DNA |
| D. | DNA or RNA |
| Answer» E. | |
| 3. |
A fully formed infectious viral particle is called _________. |
| A. | Virion |
| B. | Viriod |
| C. | Capsid |
| D. | Virusoid |
| Answer» B. Viriod | |
| 4. |
Which of the following statements are true about the viruses? |
| A. | Free-living |
| B. | Obligate parasites |
| C. | Both (a) and (b) |
| D. | None of the above |
| Answer» C. Both (a) and (b) | |
| 5. |
The viral envelope is made up of _______. |
| A. | Proteins |
| B. | Glycoproteins |
| C. | Lipids and Proteins |
| D. | All of the above |
| Answer» E. | |
| 6. |
Which of the following is a helical virus? |
| A. | TMV |
| B. | T4 phage |
| C. | Poxvirus |
| D. | Herpes virus |
| Answer» B. T4 phage | |
| 7. |
Which of the following has a complex symmetry? |
| A. | T4 phage |
| B. | Adenovirus |
| C. | Influenza virus |
| D. | All of the above |
| Answer» B. Adenovirus | |
| 8. |
Which of the following statements are true about the capsomeres? |
| A. | It is an individual unit of the capsid |
| B. | It is a viral protein for replication |
| C. | It is a unit of nucleic acid in viruses |
| D. | All of the above |
| Answer» B. It is a viral protein for replication | |
| 9. |
An icosahedral capsid consists of_____________. |
| A. | Hexagonal capsomeres |
| B. | Pentagonal capsomeres |
| C. | Triangular capsomeres |
| D. | Both a and b |
| Answer» E. | |
| 10. |
Which of the following statements are true about the peplomeres? |
| A. | It is an individual unit of capsids |
| B. | It is a spike-like projection on the enveloped viruses |
| C. | It is a projection on the viral membrane |
| D. | It is a spike-like projection on the capsids |
| Answer» C. It is a projection on the viral membrane | |
| 11. |
Which of the following are the main functions of the capsid? |
| A. | |
| B. | B. |
| C. | C. |
| D. | D. |
| Answer» D. D. | |
| 12. |
Viral genome inserted to the bacterial DNA is termed as_______. |
| A. | Lysogeny |
| B. | Prophage |
| C. | Lytic cycle |
| D. | Virulent phage |
| Answer» C. Lytic cycle | |
| 13. |
The spike-like projections on the viral capsid are known as |
| A. | Viriod |
| B. | Proteomes |
| C. | Peplomers |
| D. | capsomeres |
| Answer» D. capsomeres | |
| 14. |
Infectious RNA particles without the protein coat are called_______. |
| A. | Prion |
| B. | Virion |
| C. | Viroid |
| D. | Virusoid |
| Answer» D. Virusoid | |
| 15. |
Which of the following virus has the smallest genome? |
| A. | Rabies virus |
| B. | Circovirus |
| C. | Herpes virus |
| D. | Mimi virus |
| Answer» C. Herpes virus | |
| 16. |
Bacteriophages that induce bacterial cell lysis are called_______. |
| A. | Viroids |
| B. | Lysogenic phages |
| C. | Virulent phages |
| D. | Temperate phages |
| Answer» D. Temperate phages | |
| 17. |
The T2 phage is called_______. |
| A. | ss DNA phage |
| B. | ss RNA phage |
| C. | ds DNA phage |
| D. | ds RNA phage |
| Answer» D. ds RNA phage | |
| 18. |
Viruses that attack bacteria are called_______. |
| A. | Virophage |
| B. | Lysophage |
| C. | Bacteriophage |
| D. | None of the above |
| Answer» D. None of the above | |
| 19. |
The shape of the TMV is _______. |
| A. | |
| B. | B. |
| C. | Oval shaped |
| D. | Cuboidal shaped |
| E. | Spherical shaped |
| Answer» B. B. | |
| 20. |
Which of the following statements are true about the tobacco mosaic virus (TMV)? |
| A. | RNA virus |
| B. | DNA virus |
| C. | Bacteriophage(d) ss DNA or ds DNA |
| Answer» B. DNA virus | |
| 21. |
In the host cell, replication of RNA virus took place in... |
| A. | Nucleus |
| B. | Cytoplasm |
| C. | Mitochondria |
| D. | Centriole |
| Answer» C. Mitochondria | |
| 22. |
Which of the following statement is correct about viruses? |
| A. | Viruses do not contain a ribosome. |
| B. | Viruses can make protein. |
| C. | Viruses can be categorised by their shapes. |
| D. | Both A and C are correct |
| Answer» E. | |
| 23. |
Based on host range, viruses are classified into: |
| A. | Bacteriophage |
| B. | Insect virus |
| C. | Stem Virus |
| D. | Both A and B |
| Answer» E. | |
| 24. |
Name the virus that is transmitted through the biting of infected animals, birds, and insects to a human? |
| A. | Rabies Virus |
| B. | Ebola Virus |
| C. | Flavivirus |
| D. | All the above |
| Answer» E. | |
| 25. |
Which of the following diseases are caused due to a virus? |
| A. | Ebola |
| B. | AIDS |
| C. | SARS |
| D. | All the above |
| Answer» E. | |
| 26. |
Which of the following is incorrect about Bird Flu? |
| A. | Caused by H5N1 |
| B. | Bacterial disease |
| C. | Also known as Avian influenza |
| D. | Attacks poultry birds |
| Answer» C. Also known as Avian influenza | |
| 27. |
Which of the following is not a viral disease? |
| A. | Salmonellosis |
| B. | Ranikhet disease |
| C. | Laryngotracheitis |
| D. | Fowl Pox |
| Answer» B. Ranikhet disease | |
| 28. |
Which of the following is not a symptom of Rinderpest? |
| A. | Dysentery |
| B. | Fever |
| C. | Congestion |
| D. | Blue urine |
| Answer» E. | |
| 29. |
Prophylaxis was initiated in India in 1954 and has effectively controlled rinderpest. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 30. |
Which of the following is not a method by which Rinderpest is spread amongst cattle? |
| A. | Contact |
| B. | Contaminated feed |
| C. | Flies |
| D. | Clean water |
| Answer» E. | |
| 31. |
Which of the following is the largest virus? |
| A. | Megavirus chilensis |
| B. | Arbo virus |
| C. | Herpes virus |
| D. | Mumps virus |
| Answer» B. Arbo virus | |
| 32. |
The protein coat of viruses that enclose the genetic material is called _______. |
| A. | Virion |
| B. | Capsid |
| C. | Peplomers |
| D. | Capsomers |
| Answer» C. Peplomers | |
| 33. |
Which of the following is the genome of the virus? |
| A. | DNA |
| B. | RNA |
| C. | DNA or RNA |
| D. | DNA and RNA |
| Answer» D. DNA and RNA | |
| 34. |
Which of the following statements are true about a virion? |
| A. | Lytic phage |
| B. | Lysogenic phage |
| C. | The viral capsid |
| D. | An infectious and fully formed viral particle |
| Answer» E. | |
| 35. |
A virus is made up of _______. |
| A. | Protein coat and nucleic acid |
| B. | Protein coat and mitochondria |
| C. | Nucleic acid and cell membrane |
| D. | Nucleic acid, cell wall and cell membrane |
| Answer» B. Protein coat and mitochondria | |
| 36. |
Double-stranded DNA is found in which viruses? |
| A. | Poxviruses |
| B. | Poliomyelitis |
| C. | Influenza viruses |
| D. | None of the above |
| Answer» B. Poliomyelitis | |
| 37. |
A virus is made up of a DNA or RNA genome inside a protein shell known as: |
| A. | Capsid |
| B. | Host |
| C. | Envelope |
| D. | Zombies |
| Answer» B. Host | |
| 38. |
After which period virus replicates in the body and starts to affect the host? |
| A. | Incubation period |
| B. | Uncoating |
| C. | Penetration |
| D. | None of the above |
| Answer» B. Uncoating | |
| 39. |
A virus can spread through: |
| A. | Contaminated food or water |
| B. | Touch |
| C. | Coughing |
| D. | All the above |
| Answer» E. | |
| 40. |
Name the virus that covers himself with a modified section of the cell membrane and create a protective lipid envelope? |
| A. | Influenza virus |
| B. | HIV |
| C. | Neither A nor B |
| D. | Both A and B |
| Answer» E. | |
| 41. |
Which of the following diseases can spread to humans while milking? |
| A. | Foot and Mouth disease |
| B. | Small Pox |
| C. | Ranikhet |
| D. | Cowpox |
| Answer» E. | |
| 42. |
Which of the following is the highly contagious viral disease of cattle? |
| A. | Foot and Mouth disease |
| B. | Rinderpest |
| C. | Cowpox |
| D. | Ranikhet |
| Answer» C. Cowpox | |
| 43. |
Which of the following is not a characteristic symptom of Foot and Mouth disease? |
| A. | An eruption of vesicles over the lips |
| B. | Fever |
| C. | Increase in appetite |
| D. | Lameness |
| Answer» D. Lameness | |
| 44. |
Cowpox is caused by cowpox virus. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 45. |
Which of the following virus causes Foot and Mouth disease? |
| A. | Coxsackievirus |
| B. | Cowpox virus |
| C. | Retrovirus |
| D. | Reovirus |
| Answer» B. Cowpox virus | |
| 46. |
Which of the following steps should not be done for the prevention of infectious diseases? |
| A. | Proper disposal of dead infected animals |
| B. | Disinfection of the animal house |
| C. | Freedom of infected animals |
| D. | Vaccination of animals against major diseases |
| Answer» D. Vaccination of animals against major diseases | |
| 47. |
Which of the following is not a reason for animal disease? |
| A. | Genetic diseases |
| B. | Deficiency diseases |
| C. | Environmental discomforts |
| D. | Hygiene and cleanliness |
| Answer» E. | |