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Virus and Bacteria
1
of
25
💡
Hints:
3
Q1. 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
Q2. 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
Q3. All of the following diseases are caused by virus except.
A. Jaundice
B. Influenza
C. Typhoid
D. Mumps
Q4. Which of the following diseases is not caused by virus?
A. Ranikhet (New Castle )
B. Blue tongue
C. Babesiosis
D. Marek,disease
Q5. 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
Q6. 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
Q7. Measles is caused by.
A. Bacteria
B. Fungus
C. Virus
D. Protozoa
Q8. Which is regarded as a link between the living and the non-living?
A. Amoeba
B. Virus
C. Bacteria
D. RNA
Q9. Pneumonia is a bacterial disease caused by the type of bacteria called.
A. Bacilli
B. Cocci
C. Sprilli
D. Vibriona
Q10. The dreaded human disease,Syphilis,is caused by.
A. A bacterium
B. Fungus
C. An animal parasite
D. Virus
Q11. To which group of organisms do viruses belong?
A. Actinomycetes
B. Cyanobacteria
C. Protozoa
D. None of these
Q12. 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
Q13. The leaf blight of paddy is caused by.
A. Bacteria
B. Virus
C. Nematodes
D. Fungus
Q14. Bacterial action changes dead leaves into.
A. Algae
B. Fungi
C. Humus
D. None of the above
Q15. Whooping cough is caused by.
A. Salmonella
B. Bacillus pertussis
C. Variola
D. Vibriona
Q16. Jaundice is caused by a/an.
A. Virus
B. Bacteria
C. Fungus
D. Animal
Q17. Smallpox is caused by.
A. Bacteria
B. Fungus
C. Virus
D. Algae
Q18. 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
Q19. The nucleus is absent in.
A. Algae
B. Fungi
C. Escherichia coli
D. Angiosperm
Q20. 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
Q21. 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
Q22. 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
Q23. The disease that is caused by viral infection is.
A. Typhoid
B. Cholera
C. Common cold
D. Tetanus
Q24. The virus that infects bacterium is.
A. Arbovirus
B. Viraemia
C. Bacteriophage
D. Baclofen
Q25. 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
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