Class 6 Mock SA Test

6th Standard

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Science

Time : 02:30:00 Hrs
Total Marks : 60

    I. Choose the best answer

    10 x 1 = 10
  1. People who made mariner’s compass for the fi rst time.

    (a)

    Indians

    (b)

    Europeans

    (c)

    Chinese

    (d)

    Egyptians

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

    (a)

    fresh

    (b)

    pure

    (c)

    salty

    (d)

    polluted

  3. Which of the following is not a part of water cycle?

    (a)

    evaporation

    (b)

    condensation

    (c)

    rain

    (d)

    distillation

  4. The saponification of a fat or oil is done using _______________ solution for hot process.

    (a)

    Potassium hydroxide

    (b)

    Sodium hydroxide

    (c)

    Hydrochloric acid

    (d)

    Sodium chloride

  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. Water cycle is also called as_______.

    ()

    hydrological cycle.

  14. _________ gas causes tears in our eyes while cutting onions.

    ()

    Propanethial s-oxide

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

    ()

     Reuse

  16. The juice of the leaves of __________ plant relieves cough and bronchitis.

    ()

    Tulsi

  17. III. Match the following

    5 x 1 = 5
  18. Sun light

  19. (1)

    Input Device

  20. Fertilizers

  21. (2)

    Evaporation

  22. Phenol

  23. (3)

    NPK

  24. Keyboard

  25. (4)

    C6H5 OH

  26. LINUX

  27. (5)

    Free and Open source Software

    IV. Answer any 10 in the following :

    10 x 2 = 20
  28. How do aquatic animals manage to live in Arctic and Antarctic Circle?

  29. Give an example for inorganic fertilizer.

  30. Name some pollutants.

  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. Explain the attraction and repulsion between magnetic poles.

  34. The fresh water available on earth is only 3%. We cannot increase the amount of water. In that case, how can sustain the water level?

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

  36. Explain the process of manufacturing cement.

  37. What is biodegradable waste?

  38. What is a symbiotic relationship?

  39. What is Free and Open Source Software? Give any two examples?

  40. V. Answer any five questions

    5 x 5 = 25
  41. How does the electromagnetic train work?

  42. Who is known as waterman of India? Browse the net and find the details about the award, the waterman received for water management. State the findings by drafting a report.

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

  44. How are detergents manufactured?

  45. Write a short note on noise pollution.

  46. Comment on importance of plant animal interaction.

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