Plant Kingdom Book Back Questions

8th Standard

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Science

Time : 00:45:00 Hrs
Total Marks : 30
    4 x 1 = 4
  1. Solanum trilobatum is the binomial name of Thoothuvalai. Here the word ‘Solanum’ refers to

    (a)

    Species

    (b)

    Genus

    (c)

    Class

    (d)

    Orders

  2. An example for colonial form of algae is

    (a)

    Oscillatoria

    (b)

    Nostac

    (c)

    Volvox

    (d)

    Chlorella

  3. The well-developed sporophytic plant body is seen in

    (a)

    Bryophytes

    (b)

    Pteridophytes

    (c)

    Gymnosperms

    (d)

    Angiosperms

  4. Penicillin is an antibiotic, which is extracted from

    (a)

    Algae

    (b)

    Fungi

    (c)

    Bryophytes

    (d)

    Pteridophytes

  5. 3 x 1 = 3
  6. The word ‘Taxonomy’ is derived from __________.

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    Greek words Taxis and Nomos

  7. Monocotyledon seeds bear only _______cotyledon.

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    one

  8. The reserve food material of fungi are _______ and ______

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    glycogen and oil

  9. 3 x 1 = 3
  10. In polypetalae, the petals are free.

    (a) True
    (b) False
  11. Binomial name should contains more than two words.

    (a) True
    (b) False
  12. Artificial system of classification is based on the vegetative characters of the plant.

    (a) True
    (b) False
  13. 2 x 2 = 4
  14. Seeds of gymnosperm plants are naked. Why?

  15. Mention the four types of classification

  16. 2 x 3 = 6
  17. Write the differences between algae and fungi.

  18. How many classes are there in Bryophytes? What are they?

  19. 2 x 5 = 10
  20. Draw the outline of Bentham and Hooker's system of classification.

  21. Write the economic importance of Gymnosperms.

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