SilverZone iOS Sample Paper Class 4

International Olympiad of Science - iOS’ 22 CLASS 4th SAMPLE QUESTIONS The Actual Question Paper Contains 30 Questions. The Duration of the Test Paper is 40 Minutes. 1. Look at the diagram given below and choose the 5. All the stars that we see in the sky are not equally bright. incorrect option. Choose the correct reason for this. (A) Distance of the star from us X (B) Earth is a small planet (C) Amount of light that the star emits Z Y (D) Both (A) and (C) 6. Consider the following statements: I. Food passes directly to X from mouth through Micky: Work is always done by a force. food pipe. Goofy: A moving body can be stopped by applying force. II. Z is not a part of our digestive system. Donald: We do not need energy to write answers of this III. Y is known as small intestine. question paper. IV. No digestion of food takes place in X. Who is telling the wrong fact? (A) I and III (B) II and IV (A) Goofy (C) I and IV (D) III and IV (B) Micky (C) Donald 2. Sometimes in the sky we see a string of light for a very few moment. Actually these are meteors which burn (D) All of them on entering into the atmosphere of the earth. Which 7. Consider the statements given below: one of the following gives the required heat energy to Krish: Galaxy is a system of millions or billions of stars, the meteors to be burnt? together with gas and dust, held together by gravitational (A) Friction attraction. (B) Gravitation Superman: Sun is present at the center of our galaxy (C) Upthrust milky way. (D) All of these Spiderman: Sun is present at the center of our solar system. 3. Which one of the following is an arboreal animal? Who is correct? (A) Krish (B) Krish and Spiderman (A) (B) (C) Spiderman (D) Superman and Spiderman 8. Which of these changes are not permanent? (C) (D) (A) Rusting of iron (B) Burning of paper 4. Jasmine took some soil in a covered container. She (C) Growth of seedling into a plant heated it slowly, after some time she observed some (D) Change of water into ice droplets of water under the cover of the container. What does this show? (A) Soil has humus (B) Soil has sand (C) Soil has gravel (D) Soil has water 6

International Olympiad of Science - iOS’ 22 9. Which of the following statements is correct about the 10. The dangerous ultraviolet rays from the sun are stopped animal shown below? in the upper part of the atmosphere. The layer which protects us from harmful ultraviolet rays, is present mainly in: (A) Troposphere (B) Hydrosphere (C) Stratosphere I. It lives in jungle and feeds completely on the rotten (D) Exosphere fruits. II. It is a scavenger but can hunt other animals for obtaining its food. III. It helps in keeping its surrounding clean by eating the flesh of dead animals. IV. It is a kind of amphibian which lays eggs. V. It belongs to vertebrates. (A) I, II and IV (B) II, III and IV (C) II, III and V (D) I, IV and V ANSWERS 1. (B) 2. (A) 3. (C) 4. (D) 5. (D) 6. (C) 7. (B) 8. (D) 9. (C) 10. (C) 7