Join Us ::

Menu Home Classes GK Engineering Past Papers Current Affairs Technical GAT Subject Programming Medical Papers

GAT Subject :: All Aptitude Test ::

Home » GAT Subject » Aptitude Test - 59
Hassan
1.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 an individual unit of capsids
2.An icosahedral capsid consists of___________
A. Hexagonal capsomeres
B. Pentagonal capsomeres
C. Triangular capsomeres
D. Hexagonal capsomeres
3.Which of the following has a complex symmetry?
A. T4 phage
B. Adenovirus
C. Influenza virus
D. T4 phage
4. The viral envelope is made up of _______
A. Proteins
B. Glycoproteins
C. Lipids and Proteins
D. Proteins
5. Which of the following is a helical virus?
A. TMV
B. T4 phage
C. Poxvirus
D. TMV
6.Which of the following statements are true about the viruses?
A. Free-living
B. Obligate parasites
C. Both (a) and (b)
D. Free-living
7.A fully formed infectious viral particle is called _________.
A. Virion
B. Viriod
C. Capsid
D. Virion
8.The genetic constituent of viruses is ________
A. RNA
B. DNA
C. ss DNA
D. RNA
9.The viral genome is enveloped in a protein coat known as
A. Capsid
B. Outer envelope
C. Capsomere
D. Capsid
10.Which of the following statements are true about the tobacco mosaic virus (TMV)?
A. RNA virus
B. DNA virus
C. Bacteriophage
D. RNA virus
11.The shape of the TMV is _______
A. Rod-shaped
B. Oval shaped
C. Cuboidal shaped
D. Rod-shaped
12. Viruses that attack bacteria are called_______
A. Virophage
B. Lysophage
C. Bacteriophage
D. Virophage
13.The T2 phage is called______
A. ss DNA phage
B. ss RNA phage
C. ds DNA phage
D. ss DNA phage
14.Bacteriophages that induce bacterial cell lysis are called______
A. Viroids
B. Lysogenic phages
C. Virulent phages
D. Viroids
15. Which of the following virus has the smallest genome?
A. Rabies virus
B. Circovirus
C. Herpes virus
D. Rabies virus
16. Infectious RNA particles without the protein coat are called_______
A. Prion
B. Virion
C. Viroid
D. Prion
17.The spike-like projections on the viral capsid are known as
A. Viriod
B. Proteomes
C. Peplomers
D. Viriod
18.Viral genome inserted to the bacterial DNA is termed as_______
A. Lysogeny
B. Prophage
C. Lytic cycle
D. Lysogeny
19. Which of the following are the main functions of the capsid?
A. Determines the antigenic specificity of the virus
B. Protects genetic material from nuclease attack
C. Both A and B
D. Determines the antigenic specificity of the virus
20.The repressor protein, since the cell is resistant to lysis from externally infecting phage, is also called
A. immunity repressor
B. immunity operon
C. operon repressor
D. immunity repressor
21. Which of the following virus is susceptible to chloroform?
A. Herpes
B. Influenza
C. Measles
D. Herpes
22. Group E phages have
A. single stranded DNA
B. double stranded DNA
C. single stranded RNA
D. single stranded DNA
23. The temperate phage possesses a gene that codes for a repressor protein which makes the cell resistant to lysis initiated by
A. the prophage
B. lytic infection by other viruses
C. Both (a) and (b)
D. the prophage
24.The bacterial viruses having head made up of large capsomeres, but no tail is morphologically classified as
A. A
B. B
C. C
D. A
25.Chlamydomonas occurs in
A. fresh water
B. pond and lake
C. river
D. fresh water
26.Unicellular green alga is
A. Ulothrix
B. Spirogyra
C. Chlamydomonas
D. Ulothrix
27. The colour of red snow is due to
A. Chlamydomonas snowiae
B. Chlamydomonas nivalis
C. Both A and B
D. Chlamydomonas snowiae
28.Pyrenoids store food as
A. Glycogen
B. Fats
C. Oil globules
D. Glycogen
29. Thin-walled resting spores produced by Chlamydomonas in dry conditions of environment are
A. Meiospores
B. Alpanospores
C. Hypnospores
D. Meiospores
30. A motile flagellate asexual spore is known as
A. Zoospore
B. Zygospore
C. Tetraspore
D. Zoospore
Related Subjects

Date to Date Current Affairs 2022

PakMCQs.net

Quick Links

GAT Subject



   Computer Science    English Mcqs    Agriculture    

Engineering



   Computer Science    Civil Engineering    

Technical



   Networking    Electronics    Database    

Past Papers



   Model Papers    FPSC Papers    
Our Team | Career | Contact | JoinUs | Privacy Policy | DMC

© 2020-2024 by Pak-MCQs.net All Rights Reserved.

Email: [email protected]