Q1. The disease that is caused by viral infection is.
Q2. Bacterial action changes dead leaves into.
Q3. The nucleus is absent in.
Q4. The polio virus enters the body through.
Q5. Measles is caused by.
Q6. Which of the following diseases is not caused by virus?
Q7. What is the role played by nonpathogenic bacteria?
Q8. To which group of organisms do viruses belong?
Q9. Which of the following plant diseases is not a bacterial disease?
Q10. The dreaded human disease,Syphilis,is caused by.
Q11. Which of the following plant diseases is caused by a virus?
Q12. Whooping cough is caused by.
Q13. The necrotic ring spot disease of stone fruits (cherry,peach ,plum,etc.)is caused by.
Q14. The leaf blight of paddy is caused by.
Q15. Which of the following is a bacterial disease?
Q16. An anaerobic species of the bacterium Clostridium causes a very serious disease in human population. Which of the following diseases is it?
Q17. The virus that infects bacterium is.
Q18. Which of the following plant diseases is caused by bacteria?
Q19. Smallpox is caused by.
Q20. Which is regarded as a link between the living and the non-living?
Q21. Jaundice is caused by a/an.
Q22. 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
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Q23. Pneumonia is a bacterial disease caused by the type of bacteria called.
Q24. Abacterium divides every minute and takes an hour to fill a cup,How much time will it take to fill half the cup?
Q25. All of the following diseases are caused by virus except.