SOF - NSO Level 2 Sample Papers for Class 7
Resources:
Class 7 sample paper & practice questions for the level 2 of National Science Olympiad (NSO) are given below. Syllabus for level 2 is also mentioned for these exams. You can refer these sample paper & quiz for preparing for the exam.
Q.1 |
Which of the following statements is true about convection? |
| a) |
In solids, heat is transferred only by convection. |
| b) | Convection occurs in cold liquids. |
| c) | Convection requires a medium for transmission. |
| d) | Heat flows from the cold end to the hot end in a substance. |
Q.2 |
Why is tungsten used as a filament in electric bulbs? A. It is sonorous. B. It is metallic. C. It has a high melting point. D. It has high density. |
| a) |
A |
| b) | B |
| c) | C |
| d) | A and D |
Q.3 |
Which of the following is a physical change? P - The rusting of iron nails Q - The breaking of a glass bottle R - The burning of diesel S - The heating of iron with sulphur |
| a) |
Only P |
| b) | Only Q |
| c) | P and Q |
| d) | P, Q, R and S |
Q.4 |
Low atmospheric pressure exists on the earth in which of the following latitudes? |
| a) |
At the equator only |
| b) | At 30° N and S |
| c) | At the poles |
| d) | At the equator and at 60° N and S. |
Q.5 |
On adding phenolphthalein indicator to a colourless solution, no change is observed. What is the nature of this solution? |
| a) |
Basic |
| b) | Either acidic or basic |
| c) | Either acidic or neutral |
| d) | Either basic or neutral |
Q.6 |
How does our government protect the rainforests of our country? (i) Prohibits the felling of trees (ii) Trees that have been chopped down are replanted (iii) Discourages the use of pesticides in agriculture |
| a) |
(i) and (ii) only |
| b) | (i) and (iii) only |
| c) | (ii) and (iii) only |
| d) | (i), (ii) and (iii) |
Q.7 |
Which of the following seeds is NOT dispersed by wind?  |
| a) |
P |
| b) | Q |
| c) | R |
| d) | S |
Q.8 |
Fill in the blank with the correct option. Air moves from a region of ____(1)______ pressure to a region of ___(2)_____ pressure. |
| a) |
(1)-high and (2)-high |
| b) | (1)-low and (2)-low |
| c) | (1)-high and (2)-low |
| d) | (1)-low and (2)-high |
Q.9 |
Match the following birds in the column- I with their adaptation in the column- II.
|
||||||||||||||||||||
| a) |
a - iii, b - i, c - ii, d - iv |
||||||||||||||||||||
| b) | a - iii, b - iv, c - i, d - ii |
||||||||||||||||||||
| c) | a - i, b - ii, c - iii, d - iv |
||||||||||||||||||||
| d) | a - iv, b - iii, c - ii, d - i |
Q.10 |
Which of the following is the best thing to do during heavy lightning? |
| a) |
Lying on the ground in an open place. |
| b) | Going into the nearest water body. |
| c) | Staying indoors away from metallic doors or windows. |
| d) | Standing under a tall tree. |
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Answers to Sample Questions from Olympiad Success:
Q.1 : c | Q.2 : c | Q.3 : b | Q.4 : a | Q.5 : c | Q.6 : a | Q.7 : d | Q.8 : c | Q.9 : b | Q.10 : c
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