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