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Eplain briefly the following terms with ...

Eplain briefly the following terms with suitable examples : protonema

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### Step-by-Step Text Solution: 1. **Definition of Protonema**: Protonema is a stage in the life cycle of mosses that appears after the germination of spores. It is characterized as a creeping, green, branched, and often filamentous structure. 2. **Haploid Stage**: Protonema is a haploid structure, meaning it contains a single set of chromosomes. This is an independent gametophytic stage in the life cycle of mosses. ...
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ICSE-PLANT KINGDOM -Ncert Exercises with Answers
  1. Mention the ploidy of the following: gemma cell in Marchantia

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  2. Mention the ploidy of the following: meristem cell of monocot

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  3. Mention the ploidy of the following: ovum of a liverwort

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  4. Mention the ploidy of the following: zygote of a fern

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  5. Write a note on economic importance of algae and gymnosperms.

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  6. Both gymnosperms and angiosperms bear seeds, then why are they classi...

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  7. What is heterospory? Briefly comment on its significance. Give two exa...

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  8. Eplain briefly the following terms with suitable examples : protonema

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  9. Eplain briefly the following terms with suitable examples : antheridiu...

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  10. Eplain briefly the following terms with suitable examples : archegoniu...

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  11. Eplain briefly the following terms with suitable examples : diplontic

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  12. Explain briefly the following terms with suitable examples : sporophyl...

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  13. Eplain briefly the following terms with suitable examples : isogamy

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  14. Differentiate between Red algae and brown algae

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  15. Differentiate between Liverworts and moss

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  16. Differentiate between Homosporous and Heterosporous pteridophytes.

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  17. Differentiate between Syngamy and Triple fusion.

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  18. How would you distinguish monocots from dicots ?

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  19. Match the following (Column I with Column II).

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  20. Describe the important characteristics of gymnosperms.

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