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Quiz 15
Mdcat-past-papers - DUHS Quiz
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Board: DUHS |
281. Which of the following is not related to enveloped virus?
They survive for a short time.
Their envelope is sensitive to sunlight
They are tolerant to anti-bodies
Envelope is derived from host
282. Which wave can destroy virus?
Gamma rays
Infrared
UV
visible rays
283. Viruses have the ability to replicate inside the animal and plant cells and called:
Self replicate
Self-Variant
Symbiont
obligate intracellular parasite
284. Which one can be considered as living characteristic of a virus?
can be crystallized
No cellular respiration
mutate their genetic material
lack biosynthetic machinery
285. The complete, mature and infectious virus particle is known as:
Venome
Virion
Genome
Capsid
286. All viruses can reproduce within living organisms only, so they are known as:
Ectoparasite
Obligate intracellular parasite
Endoparasite
Facultative intracellular parasite
287. The molecules used to control virus during infection of animal cells are:
Interferons
Antigen
Histone
Serum
288. Which structure of bacteriophage releases lysozyme?
Tail
Nucleocapsid
Capsid
Spike
289. HIV is classified as:
Bacteriophage
Oncovirus
Retrovirus
Icosahedral virus
290. CD4 receptor site is found in all type of cells except:
Helper T cells
Brain cells
Major Histocompatibility cells
Suppressor T cells
291. Disease caused by which virus that remain asymptomatic for 2 years?
HCV
HIV
HIV-2
HAV
292. Vaccine is not available for:
HAV
HCV
HBV
available for all
293. The cell wall of bacteria is made up of:
Chitin
Murein
Cellulose
Hemicellulose
294. The directional movement toward or away from the stimulus is called:
Tropism
Orientation
Taxis
Non-orientation
295. Damage to ------- cause death of bacteria:
Cell wall
Cell membrane
slime
capsule
296. Bacteria require vitamins for which of the following purpose?
Source of energy
Growth factors
source of carbon
source of electron donors
297. Germ theory of diseases was proposed by :
Robert Koch
Louis pasteur
Walther flemming
Edward Jenner
298. An invagination of cell membrane which helps in cell division:
Fimbriae
Nucleoid
Mesosomes
Endospores
299. Cell wall structure of a cell of unknown origin is studied and was found to contain polysaccharide chain linked with short chains of amino acids. What do you think it can be:
Bacteria
Fungi cell
Algae
Cortex cells
300. Helicobacter pylori is an example of:
Cocci
Pleomorphic
Bacilli
Spiral
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