Explore topic-wise MCQs in Viruses From Animal and Plants.

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
Discussion
2.

The genetic constituent of viruses is ________.
A. RNA
B. DNA
C. ss DNA
D. DNA or RNA
Answer» E.
Discussion
3.

A fully formed infectious viral particle is called _________.
A. Virion
B. Viriod
C. Capsid
D. Virusoid
Answer» B. Viriod
Discussion
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)
Discussion
5.

The viral envelope is made up of _______.
A. Proteins
B. Glycoproteins
C. Lipids and Proteins
D. All of the above
Answer» E.
Discussion
6.

Which of the following is a helical virus?
A. TMV
B. T4 phage
C. Poxvirus
D. Herpes virus
Answer» B. T4 phage
Discussion
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
Discussion
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
Discussion
9.

An icosahedral capsid consists of_____________.
A. Hexagonal capsomeres
B. Pentagonal capsomeres
C. Triangular capsomeres
D. Both a and b
Answer» E.
Discussion
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
Discussion
11.

Which of the following are the main functions of the capsid?
A.
B. B.
C. C.
D. D.
Answer» D. D.
Discussion
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
Discussion
13.

The spike-like projections on the viral capsid are known as
A. Viriod
B. Proteomes
C. Peplomers
D. capsomeres
Answer» D. capsomeres
Discussion
14.

Infectious RNA particles without the protein coat are called_______.
A. Prion
B. Virion
C. Viroid
D. Virusoid
Answer» D. Virusoid
Discussion
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
Discussion
16.

Bacteriophages that induce bacterial cell lysis are called_______.
A. Viroids
B. Lysogenic phages
C. Virulent phages
D. Temperate phages
Answer» D. Temperate phages
Discussion
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
Discussion
18.

Viruses that attack bacteria are called_______.
A. Virophage
B. Lysophage
C. Bacteriophage
D. None of the above
Answer» D. None of the above
Discussion
19.

The shape of the TMV is _______.
A.
B. B.
C. Oval shaped
D. Cuboidal shaped
E. Spherical shaped
Answer» B. B.
Discussion
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
Discussion
21.

In the host cell, replication of RNA virus took place in...
A. Nucleus
B. Cytoplasm
C. Mitochondria
D. Centriole
Answer» C. Mitochondria
Discussion
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.
Discussion
23.

Based on host range, viruses are classified into:
A. Bacteriophage
B. Insect virus
C. Stem Virus
D. Both A and B
Answer» E.
Discussion
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.
Discussion
25.

Which of the following diseases are caused due to a virus?
A. Ebola
B. AIDS
C. SARS
D. All the above
Answer» E.
Discussion
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
Discussion
27.

Which of the following is not a viral disease?
A. Salmonellosis
B. Ranikhet disease
C. Laryngotracheitis
D. Fowl Pox
Answer» B. Ranikhet disease
Discussion
28.

Which of the following is not a symptom of Rinderpest?
A. Dysentery
B. Fever
C. Congestion
D. Blue urine
Answer» E.
Discussion
29.

Prophylaxis was initiated in India in 1954 and has effectively controlled rinderpest.
A. True
B. False
Answer» B. False
Discussion
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.
Discussion
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
Discussion
32.

The protein coat of viruses that enclose the genetic material is called _______.
A. Virion
B. Capsid
C. Peplomers
D. Capsomers
Answer» C. Peplomers
Discussion
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
Discussion
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.
Discussion
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
Discussion
36.

Double-stranded DNA is found in which viruses?
A. Poxviruses
B. Poliomyelitis
C. Influenza viruses
D. None of the above
Answer» B. Poliomyelitis
Discussion
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
Discussion
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
Discussion
39.

A virus can spread through:
A. Contaminated food or water
B. Touch
C. Coughing
D. All the above
Answer» E.
Discussion
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.
Discussion
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.
Discussion
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
Discussion
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
Discussion
44.

Cowpox is caused by cowpox virus.
A. True
B. False
Answer» B. False
Discussion
45.

Which of the following virus causes Foot and Mouth disease?
A. Coxsackievirus
B. Cowpox virus
C. Retrovirus
D. Reovirus
Answer» B. Cowpox virus
Discussion
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
Discussion
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.
Discussion