Botany - Vegetative Morphology Important Questions

11th Standard

    Reg.No. :
  •  
  •  
  •  
  •  
  •  
  •  

Biology

Time : 01:00:00 Hrs
Total Marks : 50
    10 x 1 = 10
  1. Roots are

    (a)

    Descending, negatively geotropic, positively phototropic

    (b)

    Descending, positively geotropic, negatively phototropic

    (c)

    Ascending, positively geotropic, negatively phototropic

    (d)

    Ascending, negatively geotropic, positively phototropic

  2. Bryophyllum and Dioscorea are example for

    (a)

    Foliar bud, apical bud

    (b)

    Foliar bud, cauline bud

    (c)

    Cauline bud, apical bud

    (d)

    Cauline bud, foliar bud

  3. _____ is a biennial.

    (a)

    Cabbage

    (b)

    Bamboo

    (c)

    Groundnut

    (d)

    Peas

  4. _____ is an example for Lianas.

    (a)

    Bauhinia vahlii

    (b)

    Mango

    (c)

    Vanda

    (d)

    Nepenthes

  5. Ternate phyllotaxy is seen in _____

    (a)

    Nerium

    (b)

    Ocimum

    (c)

    Allamanda

    (d)

    Guava

  6. The leaf of Coriandrum is described as _____

    (a)

    bipinnate

    (b)

    unipinnate

    (c)

    decompound

    (d)

    tripinnate

  7. Storage leaves are seen in ___

    (a)

    Drosera

    (b)

    Acacia

    (c)

    Nepenthes

    (d)

    Agave

  8. Stem modified into a flattened photosynthetic structure _____

    (a)

    Phylloclade

    (b)

    Bulbil

    (c)

    Phyllode

    (d)

    Tendril

  9. A phyllode is a modified

    (a)

    branch

    (b)

    stem

    (c)

    root

    (d)

    leaf

  10. Root that grow from any part of the plant body other than the radicle are called _____

    (a)

    Tap root

    (b)

    Adventitious root

    (c)

    Modified roots

    (d)

    Aerial roots

  11. 5 x 2 = 10
  12. Why lateral roots are endogenous?

  13. How root climbers differ from stem climber?

  14. What are geophytes?

  15. What are Lianas?

  16. What is primary root?

  17. 5 x 3 = 15
  18. What are buttress roots?

  19. Draw a phylloclade and label the parts?

  20. Mention any four secondary functions of the stem.

  21. What are hook climbers?

  22. How are buds classified?

  23. 3 x 5 = 15
  24. Write the similarities and differences between
    (i) Avicennia and Trapa.
    (ii) Banyan and Silk cotton.
    (iii) Fusiform and Napiform root.

  25. Describe the various sub-aerial stem modifications with suitable example.

  26. Write a short note on Venation.

*****************************************

Reviews & Comments about 11th Standard Botany - Vegetative Morphology Important Question Paper

Write your Comment