The Living World of Plants Important Questions

6th Standard

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Science

Answer all the questions

Time : 01:40:00 Hrs
Total Marks : 50
    5 x 1 = 5
  1. The underground part of the main axis of a plant is known as_________.

    (a)

    shoot

    (b)

    node

    (c)

    root

    (d)

    leaf

  2. On the lower side of the leaf there are tiny pores or openings known as ____________

    (a)

    Leaf base

    (b)

    mid rib

    (c)

    petiole

    (d)

    stomato

  3. ___________ is the longest river in the world.

    (a)

    Sutlej

    (b)

    Yellow

    (c)

    Nile

    (d)

    Congo

  4. Air spaces in stems and petioles of ___________ plant are useful for floating in water.

    (a)

    lotus

    (b)

    water lily

    (c)

    water hyacinth

    (d)

    Agare

  5. The __________ forest in South America produces half of the world's oxygen supply.

    (a)

    Taiga

    (b)

    Congo rain

    (c)

    Amazon rain

    (d)

    Darin tree

  6. Part A

    5 x 1 = 5
  7. Plants can prepare_________

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    food

  8. The aerial part of the plant body above the ground is known as___________

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    shoot system

  9. The green colour of the leaf is due to the presence of green. coloured pigment called________

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    Chlorophyll

  10. _________ desert called Great Indian desert.

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    Thar

  11. Marine plants perform about ___________ of all photosynthesis that occurs on the planet.

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    40%

  12. Part B

    5 x 1 = 5
  13. Mountain

  14. (1)

    Water lily

  15. Stem

  16. (2)

    Monocot

  17. Fibrous Root

  18. (3)

    Teak tree

  19. Aquatic plant

  20. (4)

    Himalayas

  21. Terrestrial plant

  22. (5)

    Branches

    Part C

    4 x 2 = 8
  23. Classify the plants on the basis of their habitat.

  24. Mention few desert plants.

  25. Define the term habitat.

  26. Relate the terms leaves and photosynthesis.

  27. Part D

    1 x 5 = 5
  28. Complete the map by filling the blanks

  29. Part E

    5 x 2 = 10
  30. Aerial part above the ground : shoot system
    Under grand part of axis of plant : ___________

  31. Dicotyledonous plant : Bean, Mango
    Monocotyledonous plant : _________

  32. Photosynthesis : __________.
    Transpiration : Stomata.

  33. Water lily : Fresh water habitat
    Marine Algae : _________.

  34. Leaves are modified into spines : Opuntia
     Stem has sharp thorns : _____________

  35. Part F

    4 x 3 = 12
  36. Why do we call jasmine plant, a twiner?

  37. Compare the taproot and fibrous root systems.

  38. Distinguish between terrestrial and aquatic habitats.

  39. List out the plants present in your school garden

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