Term 3 SA Mock Test 2019

6th Standard

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Science

Time : 02:15:00 Hrs
Total Marks : 60

    I. Choose the best answer

    10 x 1 = 10
  1. A freely suspended magnet always comes to rest in the ________ direction

    (a)

    North - east

    (b)

    South - west

    (c)

    East - west

    (d)

    North - south

  2. Around 97% of water available on earth_________ is water

    (a)

    fresh

    (b)

    pure

    (c)

    salty

    (d)

    polluted

  3. Which of the following processes add water vapour to the atmosphere?
    i. Transpiration ii. Precipitation iii. Condensation iv. Evaporation

    (a)

    ii and iii

    (b)

    ii and iv

    (c)

    i and iv

    (d)

    i and ii

  4. Gypsum is added to the cement for _______.

    (a)

    fast setting

    (b)

    delayed setting

    (c)

    hardening

    (d)

    making paste

  5. Producers are________

    (a)

    Animals

    (b)

    Birds

    (c)

    Plants

    (d)

    Snakes

  6. It is an undesirable change that occurs in air and water.

    (a)

    Recycling

    (b)

    Reuse

    (c)

    Pollution

    (d)

    Reduce

  7. Which of the following medicinal plants has anticancer properties?

    (a)

    Amla

    (b)

    Tulasi

    (c)

    Turmeric

    (d)

    Aloe

  8. Which is the national tree of India?

    (a)

    Neem tree

    (b)

    Jack tree

    (c)

    Banyan tree

    (d)

    Mango tree

  9. Which of the following is correct?

    (a)

    Free and Open source

    (b)

    Free and Traditional software

    (c)

    Passive and Open source

    (d)

    Passive and Traditional source

  10. LINUX is a

    (a)

    Paid Software

    (b)

    Licensed Software

    (c)

    Free and Proprietary software

    (d)

    Free and Open source software

  11. II. Fill in the blanks

    5 x 1 = 5
  12. A magnet always has __________ poles.

    ()

    two

  13. Only _______ percent of natural water is available for human consumption.

    ()

    3

  14. Water, coconut oil and __________ are necessary for soap preparation.

    ()

    animal fat

  15. The 3R’s are Reduce, __________ and Recycle.

    ()

     Reuse

  16. The edible seeds of leguminous plants are called_________.

    ()

    Pulses.

  17. III. Match the following

    5 x 1 = 5
  18. Flood

  19. (1)

    Increased rain fall

  20. Fertilizers

  21. (2)

    C6H5 OH

  22. Phenol

  23. (3)

    NPK

  24. Software

  25. (4)

    Input Device

  26. Keyboard

  27. (5)

    Geogebra

    IV. Answer any 10 in the following :

    10 x 2 = 20
  28. Take out of cooled bottle of water from refrigerator and keep it on a table. After some time you notice a puddle of water around it. Why?

  29. What are the two different types of molecules found in the soap?

  30. Define ecosystem.

  31. What are the pollutions caused by the objects given below?
    a. Loud Speaker b. Plastic

  32. Name any three medicinal plants, which are available in your area?

  33. You are provided with iron filings and a bar magnet without labelling the poles of the magnet. Using this...
    a. How will you identify the poles of the magnet?
    b. Which part of the bar magnet attracts more iron filings? Why?

  34. About 71% of earth’s surface is covered with water, then why do we face scarcity of water?

  35. When there is no pond or lake in an area, will there be formation of clouds possible in that area?

  36. Why earthworm is called as farmer’s friend?

  37. Write the importance of the food chain.

  38. Write the uses of neem?

  39. What is Hardware and Software?

  40. V. Answer any four questions

    4 x 5 = 20
  41. You are provided with an iron needle. How will you magnetize it?

  42. What is potable water? List down its characteristics

  43. What is rainwater harvesting? Explain in a few sentences how it can be used in houses.

  44. How are detergents manufactured?

  45. Give two examples of how you can avoid or reduce waste?

  46. Comment on importance of plant animal interaction.

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