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Quiz 121
Mdcat-past-papers Quiz
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2401. Which of following is derived from Latin word venome that means poisonous.
Bacteria
Fungi
Virus
Malaria
2402. Which part of virus has glycoprotein spikes?
Capsid
Envelope
Genome
capsomere
2403. Which one can be considered as living characteristic of a virus?
can be crystallized
No cellular respiration
mutate their genetic material
lack biosynthetic machinery
2404. The complete, mature and infectious virus particle is known as:
Venome
Virion
Genome
Capsid
2405. All viruses are:
Autotrophs
Parasites
Heterotrophs
Predators
2406. Corona virus is enveloped virus. Hand sanitizers and surface cleaners were recommended to avoid covid epidemic. Which property of corona virus made these products reactive?
pH sensitivity
Heat sensitivity
ss RNA genome
Hypotonicity
2407. Which of the following virus has a double stranded DNA Genome?
Rubella
Influenza
HIV
Small Pox
2408. What are the sequence of the steps in which bacteriophage attacks bacteria and injects its DNA:
Landing - Tail contraction - Penetration - DNA injection
Penetration
Both of these
None of these
2409. All viruses can reproduce within living organisms only, so they are known as:
Ectoparasite
Obligate intracellular parasite
Endoparasite
Facultative intracellular parasite
2410. Lysogenic viruses are also known as:
Enveloped phage
Virulent phage
Prophage
Bacteriophage
2411. What does the term bacteriophage refer to?
A virus that infects bacteria
A bacterium that infects virus
A virus which behaves as bacteria
Combination of Bacterium & virion
2412. How many tail fibrils are attached to the end plate of a bacteriophage?
2
4
6
8
2413. The provirus of HIV is structurally and chemically made up of:
ssRNA
dsRNA
ssDNA
dsDNA
2414. The molecules used to control virus during infection of animal cells are:
Interferons
Antigen
Histone
Serum
2415. In the life cycle of bacteriophage, the lysozymes are required in which of the following infection process?
Genome infection
Penetration
Replication
Adsorption
2416. Which structure of bacteriophage releases lysozyme?
Tail
Nucleocapsid
Capsid
Spike
2417. Bacteriophage viruses were discovered by:
Twort and herelle
louis and virchow
Ivanowski
Edward Jenn
2418. In HIV viruses, reverse transcriptase convert single stranded RNA into double stranded DNA. This process is called:
Translation
Duplication
Replication
Reverse transcription
2419. Reverse transcriptase is used to make DNA copies of:
Host RNA
Viral RNA
Host DNA
Viral DNA
2420. Which of the following cells are mainly affected with HIV?
T-killer lymphocyte
T-helper lymphocyte
B-plasma cells
B-memory
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