SOF - NSO Level 2 Sample Papers for Class 7
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 |
The classification table given below shows how different organisms breathe. Which of these organisms are correctly represented by X, Y and Z?  |
| a) |
X - Tadpole, Y - Whale, Z - Earthworm |
| b) | X - Fish, Y - Crocodile, Z - Cockroach |
| c) | X - Frog, Y - Shark, Z - Toad |
| d) | X - Prawn, Y - Grasshoper, Z - Cockroach |
Q.2 |
A compass is often used to indicate direction. Which one of the following is not true about the compass needle? |
| a) |
It is made of steel. |
| b) | It must be freely suspended in order to work. |
| c) | It is a magnetised object. |
| d) | It always points in the East-West direction. |
Q.3 |
A plane mirror is moved away from a stationary object with a speed of 20 cm/s. What is the speed of the image? |
| a) |
20 cm/s |
| b) | 40 cm/s |
| c) | 50 cm/s |
| d) | 10 cm/s |
Q.4 |
Herbivores do not produce enzymes that digest cellulose. How does the cellulose in their food get digested? |
| a) |
Algae in their gut convert the cellulose into simple sugars. |
| b) | Bacteria in their gut convert the cellulose into glucose. |
| c) | Viruses in their gut convert the cellulose into simple sugars. |
| d) | Fungi in their gut convert the cellulose into simple sugars. |
Q.5 |
Which of the following is due to global warming? (i) An increase in the water level in the sea (ii) The melting of snow on mountain peaks (iii) A decrease in food production by plants |
| a) |
(i) only |
| b) | (ii) only |
| c) | (i) and (ii) |
| d) | (i), (ii) and (iii) |
Q.6 |
Conduction of heat does not take place in:
|
| a) |
Copper |
| b) | Iron |
| c) | Aluminum |
| d) | Vacuum |
Q.7 |
Why does a clinical thermometer have a range of 35oC - 42oC ? |
| a) |
To keep its size compact |
| b) | The temperature of human body can normally fluctuate between these two extreme ranges of lower and higher temperatures |
| c) | Both the above |
| d) | None of these |
Q.8 |
Which of the following conditions enables heat to flow from one body to another identical body? |
| a) |
The difference in the temperatures of the two bodies |
| b) | The difference in the pressures exerted on the two bodies |
| c) | The difference in the densities of the two bodies |
| d) | The difference in the sizes of the two bodies |
Q.9 |
The figure given below shows a part of the human alimentary canal.  |
| a) |
J and K |
| b) | J and N |
| c) | K and L |
| d) | L and M |
Q.10 |
Which statement is true about parasitic plants? Statement 1: Organisms which break glucose into alcohol and carbon dioxide. Statement 2: Organisms which draw nutrition from living tissues of other plants. |
| a) |
Statement 1 is correct |
| b) | Statement 2 is correct |
| c) | Both the statements are correct |
| d) | Both the statements are incorrect |
Your Score: 0/10
Answers to Sample Questions from Olympiad Success:
Q.1 : a | Q.2 : d | Q.3 : b | Q.4 : b | Q.5 : d | Q.6 : d | Q.7 : b | Q.8 : a | Q.9 : d | Q.10 : b
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