SOF - NSO PDF Sample Papers for Class 8
Resources:
Class 8 sample paper & practice questions for National Science Olympiad (NSO) level 1 are given below. Syllabus for level 1 is also mentioned for these exams. You can refer these sample paper & quiz for preparing for the exam.
Q.1 |
The bulb of an electric tester does not light up at all. What do you think the material is? |
| a) |
Metal |
| b) | LED |
| c) | Conductor |
| d) | Insulator |
Q.2 |
The interlocking of two surfaces give rises to ___________. |
| a) |
electrostatic force |
| b) | magnetic force |
| c) | frictional force |
| d) | gravitational force |
Q.3 |
Poaching is a term used for the activity of _________. |
| a) |
illegal hunting of animals |
| b) | cutting down of trees in forest |
| c) | burning of forests |
| d) | destroying the habitat of animals |
Q.4 |
Choose the pair of numbers that come next in the series 9, 11, 33, 13, 15, 33, 17. |
| a) |
33, 19 |
| b) | 33, 35 |
| c) | 19, 33 |
| d) | 19, 21 |
Q.5 |
Which unit is used to measure the loudness of sound? |
| a) |
m/s |
| b) | hertz |
| c) | Decibel |
| d) | Newton |
Q.6 |
A student examined a particular plant cell through its various stages of growth. After making various measurements, he realised that the increase in cell size was largely due to enlargement of the central vacuole rather than an increase in the amount of cytoplasm. Why might this be an advantageous strategy for the cell? (NSO, 2015) |
| a) |
Enlarging the cytoplasm would make the cell less turgid. |
| b) | Enlarging the vacuole would make it unnecessary for the cell wall to stretch. |
| c) | Enlarging the vacuole would minimise any lowering of the surface area - volume ratio of the cytoplasm. |
| d) | All of these |
Q.7 |
Which of the following resources can replenish themselves by quick recycling and replacement within a reasonable time, if managed properly? |
| a) |
Coal |
| b) | Soil |
| c) | Natural gas |
| d) | Sunlight |
Q.8 |
The property due to which non-metals break up into pieces on hammering is called _______. |
| a) |
Malleability |
| b) | Ductility |
| c) | Sonority |
| d) | Brittleness |
Q.9 |
In a bangle shop, if the shopkeeper displays the bangles in the form of a square, he is left with 38 bangles. If he wants to increase the size of square by one unit each side of the square he found that 25 bangles fall short of in completing the square. The actual number of bangles which he had with him in the shop was _______. (NSO, 2012) |
| a) |
1690 |
| b) | 999 |
| c) | 538 |
| d) | Can't be determined |
Q.10 |
Rubber and coconut belongs to the category of _________. |
| a) |
Oil crop |
| b) | Sugar crop |
| c) | Fibre crop |
| d) | Plantation crop |
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Sample PDF of SOF - National Science Olympiad (NSO) PDF Sample Papers for Class 8:
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Answers to Sample Questions from Olympiad Success:
Q.1 : d | Q.2 : c | Q.3 : a | Q.4 : c | Q.5 : c | Q.6 : c | Q.7 : b | Q.8 : d | Q.9 : b | Q.10 : d
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