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How do lichens act as pollutionn indicat...

How do lichens act as pollutionn indicators?

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ASSAM ACADEMIC CENTRE-BIOLOGICAL CLASSIFICATION-EXAMPLE
  1. Who discovered viroids?

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  2. Name a plant disease caused by a viroid.

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  3. How do lichens act as pollutionn indicators?

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  4. Differentiate between phototrophic and chemotrophic bacteria.

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  5. Draw a labelled diagram showing binary fission in a bacterium.

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  6. Name the groups of photosynthetic protists.

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  7. Which of them forms the major phytoplanktons in the oceans?

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  8. What is diatomaceous earth? Mention any two economic uses of it.

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  9. Differentiate between chrysophytes and dinoflagellates.

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  10. How do dinoflagellates differ from euglenoids?

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  11. Bring out the difference between euglenoids and chrysophytes.

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  12. Mention the criteria used for classifying Kingdom Fungi into classes.

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  13. How is a zygospore different from the sporangiospore in fungi?

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  14. Mention any four aconomic uses of Ascomycetes.

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  15. How are ascospores and conidia, both produced by ascomycetes, differen...

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  16. Differentiate between Ascomycetes and Basidlomycets.

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  17. Differentiate between Ascomycetes and Basidlomycets.

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  18. Why are Deuteromycetes commonly known as imperfect fungi? Mention two ...

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  19. What is meant by 'contagium vivum fluidum'? Who gave this idea?

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  20. Why are viruses called obligate intracellular parasites?

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