Botany - Vegetative Morphology Book Back Questions

11th Standard

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Biology

Time : 00:30:00 Hrs
Total Marks : 18
    5 x 1 = 5
  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. When the root is thick and fleshy, but, does not taken a definite shape, it said to be

    (a)

    Nodulose root

    (b)

    Tuberous root

    (c)

    Monilliform root

    (d)

    Fasiculated root

  3. Example for negatively geotropic roots

    (a)

    Ipomoea, Dahlia

    (b)

    Asparagus, Ruellia

    (c)

    Vitis, Portulaca

    (d)

    Avicennia, Rhizophora

  4. Curcuma amada, Curcuma domestica, Asparagus, Maranta are example of

    (a)

    Tuberous root

    (b)

    Beaded root

    (c)

    Moniliform root

    (d)

    Nodulose root

  5. 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

  6. 4 x 2 = 8
  7. Why lateral roots are endogenous?

  8. How root climbers differ from stem climber?

  9. Compare sympodial branching with monopodial branching.

  10. Compare pinnate unicostate and palmate multicostate venation.

  11. 1 x 5 = 5
  12. Write the similarities and differences between
    (i) Avicennia and Trapa.
    (ii) Banyan and Silk cotton.
    (iii) Fusiform and Napiform root.

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