Which one of the following specially result in chronic liver disease leading to hepatic failure:
A. HAV
B. HBV
C. HCV
D. HEV
Which one of the following specially result in chronic liver disease leading to hepatic failure:
A. HAV
B. HBV
C. HCV
D. HEV
For which of the following no preventive vaccine is available?
A. HAV
B. HBV
C. HCV
D. HEV
A virion is______________?
A. Virus
B. Viral protein
C. Viral lysozyme
D. Viral gene
Which of the statement about viruses is incorrect___________________?
A. We can not grow them in laboratories on artificial medias
B. They are obligate intracellular parasite.
C. They can synthesize their nucleic acid
D. They are resistant to most of antibiotic treatment
Protein subunits of capsid is called the capsomeres is a characteristic of each virus. Their number in Herpes virus is__________?
A. 100
B. 152
C. 162
D. 172
The name Bacteriophage was coined by____________?
A. Charles Chamberland
B. Ivanowski
C. Twort
D. D Herelle
Vaccine Was discovered by______________?
A. Louis Pasteur
B. Edward Jennar
C. Ivanowski
D. Stanely
Kangaroo rat most probably would be found in___________?
A. Tropical rain forest
B. Tundra
C. Grass land
D. Desert
Viruses are __________ smaller than bacteria?
A. 10 – 100 times
B. 10 – 1000 times
C. 100 – 1000 times
D. 1000 – 10000 times
What percentage of light reaching the earth is used in photosynthesis?
A. 25%
B. 10%
C. 5%
D. 1%