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Write a note on economic importance of algae?

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SANTRA PUBLICATION-CLASSIFICATION OF LIVING ORGANISMS-NCERT QUESTIONS
  1. How are viroids different from viruses?

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  2. The classification of algae is based on

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  3. Write a note on economic importance of algae?

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  4. State the differences between red algae and brown algea.

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  5. Name three groups of plant that bear archegonia.

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  6. Differentiate between liverworts and moss.

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  7. Mention the ploidy of the following , prothallus cell of a fern, zytot...

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  8. What is heterospory?Give two examples.

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  9. Differences between homosporous and heterosporous pteridophyte.

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  10. Describe the important characteristics of gymnosperms.

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  11. Write a note on economic importance of gymnosperms.

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  12. Both gymnosperms and angiosperms bear seeds, then why are they classif...

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  13. How would you distinguish monocots from dicots?

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  14. What are the difficulties thay you would face in classification of ani...

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  15. If you are given a specimen, what are the steps that you would follow ...

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  16. How useful is the study of the nature of body cavity and coelom in the...

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  17. Distinguish between intracellular and extracellular digestion?

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  18. What is the difference between direct and indirect development?

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  19. What are the peculiar features that you find in parasitic platyhelmint...

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  20. What are the reasons that you can think of for the arthopods to consti...

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