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