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Our foodstuffs become unfit for human co...

Our foodstuffs become unfit for human consumption more quickly in summer than in winter. Why?

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ICSE-BIOLOGICAL CLASSIFICATION-Test Your Progress (Short/Long Answer Type Questions)
  1. What functions are associated with the following cell structures ? Ca...

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  2. Why bacteria are considered to be related to the blue-green algae ?

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  3. Our foodstuffs become unfit for human consumption more quickly in sum...

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  4. You are given a group of bacteria. How do you proceed to determine wh...

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  5. What would happen if all bacteria suddenly disappear from the earth ?...

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  6. What are methanogens?

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  7. What are halophiles ?

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  8. What are thermoacidophiles ?

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  9. Identify all structures of a bacterium external to the cell wall.

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  10. Why will food keep longer in cold storage than under ordinary conditi...

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  11. Why are blue-green algae included under Monera and not under Plantae ...

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  12. Distinguish between Facultative anaerobes and facultative aerobes

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  13. Distinguish between :Gram negative bacteria and Gram positive bacteria

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  14. Draw a neat-labelled diagram of a typical bacterial cell to show the ...

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  15. Describe briefly various methods of reproduction in bacteria and also...

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  16. Distinguish between the lysogenic and lytic phases in the life cycle o...

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  17. Write a brief account of viroids and prions.

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  18. Describe in brief the economic importance of bacteria.

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  19. Write a short note on bacterial nutrition.

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  20. Describe the structure of bacterial cell and methods of genetic recomb...

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