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VIRUSES

Botany
Inter Second Year
English
Very Short Answer Questions
Q1. What is the shape of T, phage? What is its genetic material?

Q2. What are virulent phages? Give an example

Q3. What is lysozyme and what is its function ?

Q4. Define 'lysis' and 'burst size with reference to viruses and their effects on host cells.

Q5. What is a prophage.

Q6. What are temperate phages? Give one example.

Q7. Mention the differences between virulent phages and temperate phages.

Q8. What is the shape of TMV? What is its genetic material?

Short Answer Questions
Q1. What is ICTV? How are viruses named?

Q2. Explain the chemical structure of viruses.

Q3. Explain the structure of TMV.

Q4. Explain the structure of T-even bacteriophages.

Q5. Explain the lytic cycle with reference to certain viruses

Long Answer Questions
Q1. Write about the discovery and structural organization of viruses.

Q2. Describe the process of multiplication of viruses.

Exercises
Q1. When discussing the multiplication of viruses, Virologists prefer to call the process as replication, rather than reproduction. Why?

Q2. In dealing with public health, the approach to deal with bacterial diseases is treatment. Can you guess the nature of the general public health approach to viral diseases? What example do you cite to support your answer?