Plant Kingdom Important Questions

11th Standard

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Biology

Answer All Questions

Time : 02:00:00 Hrs
Total Marks : 75
    15 x 1 = 15
  1. Which of following represent generation in pteridophytes?

    (a)

    Prothallus

    (b)

    Thallus.

    (c)

    Cone

    (d)

    Rhizophore

  2. Endosperm in Gymnosperm is formed

    (a)

    At the time of fertilization.

    (b)

    Before fertilization.

    (c)

    After fertilization.

    (d)

    Along with the development of embryo .

  3. Scalariform conjugation is seen in ________

    (a)

    Nostoc

    (b)

    Zygnema

    (c)

    Ulothrix

    (d)

    Volvox

  4. _________is a green alga employed in Biofuel production.

    (a)

    Botryococcus

    (b)

    Chlorella

    (c)

    Kappaphycus

    (d)

    Ceramium

  5. Which one of the following is belongs to the members of phaeophyceae? (or) The members of phaeophyceae are commonly called ____

    (a)

    red algae

    (b)

    brown algae

    (c)

    green algae

    (d)

    blue algae

  6. In which algae reserve food is in the form of laminarin?

    (a)

    Brown algae

    (b)

    Red algae

    (c)

    Green algae

    (d)

    All the above

  7. bas medicinal properties to cure I pulmonary tuberculosis_______

    (a)

    Sphagnum

    (b)

    Marchantia 

    (c)

    Riccia

    (d)

    Pellia

  8. Volvox, Spirogyra are the examples for:

    (a)

    Diplontic

    (b)

    Haplontic

    (c)

    Epiphytic

    (d)

    Haplodiplotic

  9. Foliage leaves are otherwise called:

    (a)

    Axillary leaves

    (b)

    Scale leaves

    (c)

    Sessile leaves

    (d)

    Assimilatory leaves

  10. F.E.Fritsch classified the algae into ______ classes.

    (a)

    7

    (b)

    10

    (c)

    8

    (d)

    11

  11. Which one is used as bio - fertilizer?

    (a)

    Funaria

    (b)

    Marchantia

    (c)

    Azolla

    (d)

    Anthoceros

  12. __________ classified the gymnosperms into 3 class sand 31 families.

    (a)

    Sporne

    (b)

    John

    (c)

    Alexopolus

    (d)

    Bergeys

  13. According to Fritsch, the algae are classified into__________________classes.

    (a)

    10

    (b)

    12

    (c)

    11

    (d)

    10

  14. The endosperm of gymnosperm is_______________________

    (a)

    haploid

    (b)

    triploid

    (c)

    diploid

    (d)

    polyploidy

  15. Sago is obtained from________________  

    (a)

    Cycas revoluta

    (b)

    Pinus roxburghii

    (c)

    Pinus insularis

    (d)

    Cedrus deodara

  16. 10 x 2 = 20
  17. What is plectostele? Give example.

  18. Do you agree with the statement 'Bryophytes I need water for fertilization'? Justify your answer.

  19. What are pyrenoids?

  20. What are the three classes of Gymnosperms?

  21. Mention pigments of Phaeophyceae.

  22. Mention some fossil sources of India.

  23. Mention any two endozoic algae.

  24. Define Siphonogamous condition.

  25. Both gymnosperms & angiosperms are seed bearers. Yet they are classified separately. Why?

  26. Associate the following features with groups in which they first appeared.
    (a) Vascular tissues
    (b) Seeds inside fruits
    (c) Heterospore production

  27. 5 x 3 = 15
  28. Do you think shape of chloroplast is unique for algae? Justify your answer.

  29. Define Monocotyledons.

  30. Describe the gametophyte phase of non-vascular cryptogams.

  31. Write the Economic importance of bryophytes.

  32. Name the three classes of Bryophytes, according to Proskauer.

  33. 5 x 5 = 25
  34. Tabulate the Economic importance of Pteridophyte.

  35. List the salient features of Bryophytes.

  36. After a forest fire, when above ground plant parts are killed ferns are often one first plants to appear? Why?

  37. Describe the salient features of Chlorophyceae members.

  38. Differentiate the characters of Gymnosperm & Angiosperm.

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