Instructions

  • Time Duration: 60 min
  • Total Question: 40
  • Total Mark: 160
  • All the Questions are compulsory
  • Each right answer carries 4 Marks
  • Each wrong answer carries -1 Marks (Negative mark)
  • Once you submit the paper, you cannot reattempt
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Class 8 AAITHE Test

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1. Read the following statements :

(i) Non metals are good conduction of electricity

(ii) Graphite is a non-metal and good conduction of electricity.

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2. perpendicular force acting per unit area is called

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3. Rolling friction and sliding friction are two types of –

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4. To walk on slippery ground is difficult because of the –

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5. Ultra sound has frequency of vibration

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6. The force required to overcome friction at the instant and object start moving from rest is measure of –

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7. Some force produces more pressure on –

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8. What does air resistance do to facing objects –

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9. Friction offered by watch is good for the

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10. The repatation of sound caused by the reflection of sound weaves is called –

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11. An example where physical & chemical changes occur simultaneously is

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12. Water and benzene can be separated by

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13. The idea of stationary orbits was given by

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14. When 100g CaCO3 is heated, it gives

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15. Which of the following metals cannot produce H2 gas when treated with Hcl?

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16. Which is the following is the anhydride of H2SO4?

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17. Which of the following is crystalline allotrope of carbon?

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18. The process by which hard water can be converted into soft water

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9.

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20.The formula of sodium zincate is

  1. Na2 ZnO2
  2. Na3 ZnO2
  3. Na ZnO2
  4. Na2 ZnO3

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21.Yellowish plasma of human blood contains water about _______ %

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22. The instrument use to find out blood pressure is called –

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23. Pulmonary vein carries –

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24. which of following options having only dead cells –

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25. ‘cutting and layering’ is a method of –

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26. Which is the following is/are not a false fruit?

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27. In a germinating seed, ________ is act as future shop.

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28. The natural way of fixing thembryo in the uterine wall after 7 days of fertilization is known as –

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29. Pictures/diagrams that shown in below is example of –

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30. Irrigation is required during

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31.

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32.

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33. If one number of pythagoreous triplet is 6 then the triplet is –

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34. 3 persons can paint a house in 8 days, then 4 person can paint the same house in –

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35.

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36. The some of the digit of two digit number in 12, if 18 is added to it, then the digit is reversed, then the number is –

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37.

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38.

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39.

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40. If the area of a Rhombus is 90cm, and the length of one diagonal is 10cm, then the length of other diagonal is –