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Bryophytes show alternation of generatio...

Bryophytes show alternation of generation. Which phase is dominant in them?

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**Step-by-Step Solution:** 1. **Understanding Bryophytes**: Bryophytes are non-vascular plants, which means they do not have specialized tissues for transporting water and nutrients. They include mosses, liverworts, and hornworts. 2. **Defining Alternation of Generations**: This is a biological process in which a plant alternates between two distinct forms in its life cycle: the gametophyte (haploid) and the sporophyte (diploid). 3. **Identifying the Dominant Phase**: In bryophytes, the dominant phase is the gametophyte phase. This phase is haploid, meaning it has half the number of chromosomes. ...
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ICSE-PLANT KINGDOM -REVIEW QUESTIONS (VERY SHORT ANSWRE TYPE QUESTIONS)
  1. Name the pigment that gives brown colour to brown algae.

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  2. Which algae stores carbohydrates as floridean strach?

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  3. Bryophytes show alternation of generation. Which phase is dominant in ...

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  4. Which phase in pteridophytes is diploid in nature?

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  5. Name the male and female organs in a fern.

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  6. What is the association between the roots of Pinus with fungi called a...

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  7. How many male gametes does each pollen grain contains?

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  8. Name the group of plants in which seeds are not enclosed in an ovary.

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  9. Name the group of plants that include mosses and liverworts.

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  10. Chondrus, Porphyra and Celidium are examples of which group of algae?

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  11. Name the first stage in moss that develops directly from the spore.

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  12. The underside of the frond of a fern, small brown dots appear close to...

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  13. Give 2 characteristics of long shoots of the Pinus plant.

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  14. What is another name of microsporangia?

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  15. Pinus plant has 1st year, 2nd year and 3rd year cones. In which cone ...

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  16. Seeds develop from which part of the flower?

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  17. A plant leaf shows reticulate venation. What kind of roots would it ha...

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  18. The endsperm of a plant is haploid, diploid or triploid.

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  19. In which year cone in a Pinus plant does fertilisation occur?

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  20. What is the basis of classification of algae?

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