The largest virus family, with more than 350 member viruses is

All Subjects General Agriculture Veterinary Helminthology Introduction, History and Etiology General Bacteriology Veterinary Public Health Veterinary Entomology Haemodynamic Derangements, Degeneration and Necrosis Systematic Bacteriology Milk Hygiene Meat Hygiene General Virology Systematic Virology Mycology Zoonoses Parasitic Zoonoses Immunology Environmental Hygiene Management of Livestock Parasitism Disturbances in Cell Growth and Oncology Molecular Cell Biology (Vaccine & Diagnostic Technology) Epidemiology Immunoparasitology Clinical Pathology Systemic Pathology Pathology of Infectious Diseases Avian Pathology Nutritional and Production Pathology

Q.96

Veterinary Microbiology- ICAR JRF/SRF 2024

Assertion & Reason +4 −1

Given below are two statements, one is labelled as Assertion (A) and other one labelled as Reason (R).

Assertion (A) : A unique feature of Jaagsiekte sheep retrovirus infection is that it elicits no obvious antibody response.

Reason (R) : It is perhaps because of immune tolerance induced by the presence of closely related exogenous retroviruses in the sheep genome

In light of the above statements, choose the most appropriate answer from the options given below

Both (A) and (R) are correct and (R) is the correct explanation of (A). Both (A) and (R) are correct but (R) is NOT the correct explanation of (A) (A) is correct but (R) is not correct. (A) is not correct but (R) is correct.

Q.97

Veterinary Microbiology- ICAR JRF/SRF 2024

MCQ (Single Correct) +4 −1

The largest virus family, with more than 350 member viruses is

Bunyaviridae Adenoviridae Poxviridae Parvoviridae

Q.98

Veterinary Microbiology- ICAR JRF/SRF 2024

Assertion & Reason +4 −1

Given below are two statements, one is labelled as Assertion (A) and other one labelled as Reason (R).

Assertion (A) : Rotaviruses are difficult to isolate in cell culture.

Reason (R) : The initial key to success was incorporation of trypsin or chymotrypsin in the medium (serum-free) to cleave the relevant outer capsid protein (VP7), thus facilitating entry and uncoating of the virus

In light of the above statements, choose the most appropriate answer from the options given below

Q.99

Veterinary Microbiology- ICAR JRF/SRF 2024

MCQ (Single Correct) +4 −1

Virions of Birnaviruses are characterized by being

(A) . Nonenveloped, pentagonal with a single shell having icosaheral symmetery.

(B) . Having genome consisting of 2 unrelated molecules of linear double-stranded RNA

(C) . Having segment A of genome that is larger and forms the structural proteins VP2 and VP3.

(D) . Having segment B of genome that is smaller and encodes VP1, which is the RNA polymerase

Choose the correct answer from the options given below:

(A), (6) and (D) only. (A), (B) and (C) only, (A), (B), (C) and (D). (B), (C) and (D) only.

Q.100

Veterinary Microbiology- ICAR JRF/SRF 2024

Match the Following +4 −1

Match List with List-II

Choose the correct answer from the options given below:
Choose the correct answer from the options given below :

List - I Type of H and N antigen		List - II Related to the virus
A	H7N7 H7N7	I	Equine influenza virus 2 Equine influenza virus 2
B	H3N8 H3N8	II	Avian influenza Avian influenza
C	H1N1 H1N1	III	Equine influenza virus 1 Equine influenza virus 1
D	H5N1 H5N1	IV	Swine influenza Swine influenza

(A) - (II), (B) - (I), (C) - (IV), (D) - (I) (A) - (II), (B) - (I), (C) - (IV), (D) - (III) (A) - (IV), (B) - (IV), (C) - (I), (D) - (HN) (A) - (III), (B) - (V), (C) - (I), (D) - (HN)