SilverZone - IOS PDF Sample Papers for Class 8
Class 8 sample paper & practice questions for International Olympiad of Science (IOS) 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 |
How are Paramoecium and Amoeba are similar? |
| a) |
Unicellular |
| b) | Does not have a nucleus |
| c) | Reproduce by binay fission |
| d) | Both a and c |
Q.2 |
Two or more crops that are grown together in same field to fulfill the nutrient requirement of each other is called ________. |
| a) |
Transplantation |
| b) | Crop rotation |
| c) | Mixed cropping |
| d) | Fallowing |
Q.3 |
Which of the following is NOT a characteristic feature of sexual reproduction? |
| a) |
It involves the fusion of two reproductive cells. |
| b) | It is common in most organisms. |
| c) | Fertilisation may take place inside or outsode the body of the female. |
| d) | The offspring receives its characteristics from one parent only. |
Q.4 |
Embellishing the Truth occurs when a person adds fictitious details or exaggerates facts or true stories. Which situation below is the best example of Embellishing the Truth? |
| a) |
Isabel goes to the theater, and the next day,she tells her coworkers she thought the playwas excellent. |
| b) | The realtor describes the house, which iseleven blocks away from the ocean, asprime waterfront property. |
| c) | During the job interview, Fred, who hasbeen teaching elementary school for tenyears, describes himself as a very experiencedteacher. |
| d) | The basketball coach says it is likely thatonly the most talented players will get a collegescholarship. |
Q.5 |
The interlocking of two surfaces give rises to ___________. |
| a) |
Electrostatic force |
| b) | Magnetic force |
| c) | Frictional force |
| d) | Gravitational force |
Q.6 |
Here are some words translated from an artificial language. 'myncabel' means 'saddle horse', 'conowir' means 'trail ride' and 'cabelalma' means 'horse blanket'. Which word could mean “horse ride”? |
| a) |
Cabelwir |
| b) | Conocabel |
| c) | Almamyn |
| d) | Conoalma |
Q.7 |
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.8 |
Rubber and coconut belongs to the category of _________. |
| a) |
Oil crop |
| b) | Sugar crop |
| c) | Fibre crop |
| d) | Plantation crop |
Q.9 |
Which of the following is a property of thermosetting plastic? |
| a) |
Flame resistant |
| b) | Non-corrosive |
| c) | Mouldable |
| d) | All of the above |
Q.10 |
Fill in the blank with the option which fits the given pattern:  |
| a) |
 |
| b) |  |
| c) |  |
| d) |  |
Your Score: 0/10
Sample PDF of SilverZone - International Olympiad of Science (IOS) 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 : d | Q.4 : b | Q.5 : c | Q.6 : a | Q.7 : c | Q.8 : d | Q.9 : d | Q.10 : c
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