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 type of reproduction is shown in the diagram given below?  |
| a) |
Binary fission |
| b) | Fragmentation |
| c) | Sporulation |
| d) | Budding |
Q.2 |
Study the given reaction. Identify the salt in the above reaction. |
| a) |
NaCl |
| b) | H2O |
| c) | HCl |
| d) | NaOH |
Q.3 |
Which of the following are the characteristics of enzymes? |
| a) |
Substances which are broken into simpler substances during digestion. |
| b) | Substances which are made by the combination of carbohydrates. |
| c) | Substances which break complex food molecules into simpler food molecules. |
| d) | Substances which break complex substances and they themselves undergo dissociation reactions. |
Q.4 |
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. |
Q.5 |
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 |
Q.6 |
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.7 |
A student identified the following characteristics in animals. (i) Strong claws and broad hip girdles (ii) Spines to prevent from slipping (iii) Ability to climb trees |
| a) |
Terrestrial animal |
| b) | Aquatic animal |
| c) | Amphibian animal |
| d) | Arboreal animal |
Q.8 |
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.9 |
An indicator prepared from turmeric (HALDI) is added to a strong alkali solution. What colour does the indicator change to? |
| a) |
Yellow |
| b) | Brick red |
| c) | Orange |
| d) | Blue |
Q.10 |
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. |
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Answers to Sample Questions from Olympiad Success:
Q.1 : b | Q.2 : a | Q.3 : c | Q.4 : c | Q.5 : b | Q.6 : a | Q.7 : d | Q.8 : c | Q.9 : b | Q.10 : c
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