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Which of the following characters are mo...

Which of the following characters are most important taxonomically to differentiate angiosperms from the gymnosperms ?
(a) Triploid endosperm
(b) seeds enclosed in fruit
(c) attractive petals
(d) presence of vessels in xylem.

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Seeds enclosed in fruit, attractive petals.
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ICSE-PLANT KINGDOM -Test Your Progress (Very Short Answer Type Questions )
  1. Name the genus which is commonly called maiden hair fern.

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  2. If the somatic chromosome number of a gymnospermous plant is 2n = 30,...

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  3. Which of the following characters are most important taxonomically to...

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  4. Mention two common characters shared by all gymnosperms.

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  5. Give the scientific names of the following: an alga with ribbon-shap...

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  6. Give the scientific names of the following: structure formed by the ...

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  7. Give the scientific names of the following: megasporangium of seed p...

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  8. Name a plant that forms seeds but no fruits.

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  9. Observe the relationship between the first two words and then fill in ...

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  10. Observe the relationship between the first two words and then fill in ...

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  11. Observe the relationship between the first two words and then fill in ...

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  12. Observe the relationship between the first two words and then fill in ...

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  13. Name a parasitic alga.

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  14. In what form is the food stored in green algae ?

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  15. Where will you look for antheridia in Funaria plant?

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

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  17. Name two examples of heterosporous pteridophytes.

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  18. Mention the name of the alga in which c-phycocyanin and c-phycoerythri...

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  19. Write the name of that plant in which peristome is found.

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  20. Name the structure in leaflet of Cycas, which performs the function of...

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