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Virus and Bacteria
1
of
25
💡
Hints:
3
Q1. The virus that infects bacterium is.
A. Arbovirus
B. Viraemia
C. Bacteriophage
D. Baclofen
Q2. The disease that is caused by viral infection is.
A. Typhoid
B. Cholera
C. Common cold
D. Tetanus
Q3. Smallpox is caused by.
A. Bacteria
B. Fungus
C. Virus
D. Algae
Q4. The nucleus is absent in.
A. Algae
B. Fungi
C. Escherichia coli
D. Angiosperm
Q5. Which of the following plant diseases is caused by bacteria?
A. Citrus dieback
B. karnal bunt of wheat
C. Potato witches,broom
D. Tundu disease of wheat
Q6. Which of the following plant diseases is not a bacterial disease?
A. Brown rot of potatoes
B. Citrus canker
C. Heart rot of beets
D. Red stripe of sugarcane
Q7. The dreaded human disease,Syphilis,is caused by.
A. A bacterium
B. Fungus
C. An animal parasite
D. Virus
Q8. Jaundice is caused by a/an.
A. Virus
B. Bacteria
C. Fungus
D. Animal
Q9. Which of the following is a bacterial disease?
A. Early blight of potatoes
B. Loose smut of wheat
C. Red rot of sugarcane
D. Red stripe of sugarcane
Q10. Measles is caused by.
A. Bacteria
B. Fungus
C. Virus
D. Protozoa
Q11. Which of the following plant diseases is caused by a virus?
A. Aster yellows
B. Barley yellow dwarf
C. Curly top of sugar beets
D. All of the above
Q12. The leaf blight of paddy is caused by.
A. Bacteria
B. Virus
C. Nematodes
D. Fungus
Q13. Which of the following diseases is not caused by virus?
A. Ranikhet (New Castle )
B. Blue tongue
C. Babesiosis
D. Marek,disease
Q14. The polio virus enters the body through.
A. Mosquito bites
B. Tick bites
C. Contaminated food and water
D. Saliva and secretion from the nose
Q15. An anaerobic species of the bacterium Clostridium causes a very serious disease in human population. Which of the following diseases is it?
A. Botulism
B. Pneumonia
C. Tuberculosis
D. Typhoid
Q16. What is the role played by nonpathogenic bacteria?
A. They cause diseases
B. They do not cause diseases
C. They are of no use
D. They attack only plants
Q17. Whooping cough is caused by.
A. Salmonella
B. Bacillus pertussis
C. Variola
D. Vibriona
Q18. Match the following. List (I) List(II) (I)Tuberculosis (A) Mycobacterium (II)Typhoid (B) Yersinia pestis (III)Cholera (C) Streptococcus (IV)Plague (D) Salmonella type (E) Vibrio cholerae
A. I-B, II-D, III- E, IV-c
B. I-A, II-D, III-D, III-E,IV-B
C. I-A, II-C, III-E, IV-D
D. I-C, II-B, III-E, IV-D
Q19. Bacterial action changes dead leaves into.
A. Algae
B. Fungi
C. Humus
D. None of the above
Q20. Abacterium divides every minute and takes an hour to fill a cup,How much time will it take to fill half the cup?
A. 15 minutes
B. 30 minutes
C. 59 minutes
D. 60 minutes
Q21. All of the following diseases are caused by virus except.
A. Jaundice
B. Influenza
C. Typhoid
D. Mumps
Q22. Which is regarded as a link between the living and the non-living?
A. Amoeba
B. Virus
C. Bacteria
D. RNA
Q23. Pneumonia is a bacterial disease caused by the type of bacteria called.
A. Bacilli
B. Cocci
C. Sprilli
D. Vibriona
Q24. To which group of organisms do viruses belong?
A. Actinomycetes
B. Cyanobacteria
C. Protozoa
D. None of these
Q25. The necrotic ring spot disease of stone fruits (cherry,peach ,plum,etc.)is caused by.
A. A bacterium
B. Fungal infection
C. Molybdenum deficiency
D. Virus
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