Plant Kingdom - Important Question Paper

11th Standard

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Biology

Time : 01:00:00 Hrs
Total Marks : 50

    Part A

    11 x 1 = 11
  1. Which of the plant group has gametophyte as a dominant phase?

    (a)

    Pteridophytes

    (b)

    Bryophytes

    (c)

    Gymnosperm

    (d)

    Angiosperm

  2. Which of following represent generation in pteridophytes?

    (a)

    Prothallus

    (b)

    Thallus.

    (c)

    Cone

    (d)

    Rhizophore

  3. The haploid number of chromosome for an Angiosperm is 14, the number of chromosome in its endosperm would be

    (a)

    7

    (b)

    14

    (c)

    42

    (d)

    28

  4. Endosperm in Gymnosperm is formed

    (a)

    At the time of fertilization.

    (b)

    Before fertilization.

    (c)

    After fertilization.

    (d)

    Along with the development of embryo .

  5. Identify the odd one based on vegetative reproduction in algae.

    (a)

    Akinetes

    (b)

    Bulbils

    (c)

    Zoospores

    (d)

    Fission

  6. Scalariform conjugation is seen in ________

    (a)

    Nostoc

    (b)

    Zygnema

    (c)

    Ulothrix

    (d)

    Volvox

  7. A unicellular form in Red algae ____

    (a)

    Porphyridium

    (b)

    Porphyra

    (c)

    Corollina

    (d)

    Goniotrichum

  8. The presence of cap cell is characteristic of,_____

    (a)

    Chara

    (b)

    Gelidium

    (c)

    Cladophora

    (d)

    Oedogonium

  9. Stone wort refers to _____

    (a)

    Chara

    (b)

    Gelidium

    (c)

    Anabaena

    (d)

    Chlamydomonas

  10. Air bladders are seen in____

    (a)

    Fucus

    (b)

    Ulva

    (c)

    Sargassum

    (d)

    Vaucheria

  11. Thick walled aplanospores are called___________

    (a)

    akinete

    (b)

    hormogone

    (c)

    hypnospore

    (d)

    tetraspore

  12. Part B

    6 x 2 = 12
  13. What do you infer from the term pycnoxylic?

  14. Mention two characters shared by gymnosperms and angiosperms?

  15. What are autospores?

  16. What are aplanospores?

  17. Name the different reserve food materials in algae.

  18. What are elaters?

  19. Part C

    6 x 3 = 18
  20. List out any four characteristic features of pteridophytes.

  21. List out any three Economic importance of algae.

  22. Describe the Vegetable reproduction of non-vascular cryptogams.

  23. Discuss the various types of Protostele.

  24. Write about secondary growth of gymnosperms.

  25. Compare gymnosperms and angiosperms.

  26. Part D

    2 x 5 = 10
  27. Ginkgo biloba is called living fossil?  

  28. Explain the method of sexual reproduction in non-vosculor cryptogams.

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