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Quiz 123
Mdcat-past-papers Quiz
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2441. Viral genome integrated into host genome by:
DNA integrase
DNA incorporates
reverse transcriptase
Helicase
2442. Vaccine is not available for:
HAV
HCV
HBV
available for all
2443. Function of reverse transcriptase in HIV is:
Replication of viral DNA
Replication of viral RNA
Formation of double stranded viral DNA
Formation of viral RNA from DNA
2444. A combination of alpha interferon and ribavirin is used for the treatment of Hepatitis:
B
A
D
C
2445. Rod shaped bacteria are known as :
Spirilla
Bacilli
Spirochete
Cocci
2446. Taxonomy includes the arrangement of organisms into different taxa. Which of following represents the correct heirarche of various taxa of classification:
Specie,genus,family,order,class,phylum
Order,family,class,phylum,kingdom
Species,genus,order,family,class,phylum
Species,genus,family,class,order,phylum
2447. The cell wall of bacteria is made up of:
Chitin
Murein
Cellulose
Hemicellulose
2448. Which of the following is a prokaryote?
Protista
E.coli
Amoeba
Fungi
2449. The division of cocci in three planes form Sarcina, which is a cube of ------- Cocci?
2
4
8
16
2450. Feeding by living in or on the other organism (host) belonging to different species is called ?
Mineral nutrition
Saprophytic nutrition
Parasitic nutrition
Symbiotic nutrition
2451. Respiration in Pseudomonas bacteria is :
Aerobic
Anaerobic
Facultative
Miroaerophilic
2452. Prokaryotic cells lack :
Mesosomes
Ribosomes
Storage bodies
Membrane bound organelles
2453. Bacteria divide at exponential rate during which growth phase ?
Lag
Stationary
Log
Decline
2454. Rabies is caused by :
Paramyxovirus
Rhinovirus
Arbovirus
Rhabdovirus
2455. Photosynthetic bacteria utilises H-S instead of water and liberate one of the following instead of oxygen:
Sulphur
Phosphorus
Calcium
Magnesium
2456. The directional movement toward or away from the stimulus is called:
Tropism
Orientation
Taxis
Non orientation
2457. A small biological unit that can evolve over time :
A specie
An organism
A population
Cell
2458. The directional movement toward or away from the stimulus is called:
Tropism
Orientation
Taxis
Non-orientation
2459. Damage to ------- cause death of bacteria:
Cell wall
Cell membrane
slime
capsule
2460. Bacteria that lives in hydrothermal vents is:
Eubacteria
Both can live
archaebacteria
both cannot live
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