SilverZone iOS Sample Paper Class 7

International Olympiad of Science - iOS’ 22 CLASS 7th SAMPLE QUESTIONS The Actual Question Paper Contains 35 Questions. The Duration of the Test Paper is 40 Minutes. 1. Which one of the following is the symbol of an electric 7. In the following table, few activities are given: bulb? (A) (B) (C) (D) 2. Look at the following graph: The above graph shows that the object is at/in: (A) Rest (B) Motion Which of the preceding activities involve chemical change? (C) Uniform motion (D) Uniform acceleration (A) Activities 1,2,3,5 (B) Activities 2,3,4,5 3. A clinical thermometre has kink in its tube. What function does it perform? (C) Activities 2,3,4,6 (D) Activities 2,3,5,6 (A) It prevents mercury from coming out of bulb 8. An atom gets charged due to: (B) It prevents back flow of mercury into the bulb (A) Transfer of proton (B) Transfer of neutron (C) It helps in connecting the mercury tube with the bulb (C) Transfer of electron (D) Transfer of nucleus (D) All of these 9. A place X has very hot and humid climate and it receives 4. In the autotrophic mode of nutrition: rain throughout the year. Which type of climate does (A) food is prepared from simple inorganic substances the place X have? by the process of photosynthesis (A) Polar climate (B) Temperate climate (B) food is obtained from dead and decaying organic (C) Tropical climate (D) Desert climate substances (C) food is obtained from green plants 10. Name the part of the flower, which has been (D) food is obtained from the host represented by the letter A. 5. Name the blood cells which carry oxygen in our body. B (A) RBC (B) WBC (C) Blood platelets (D) Antigen C 6. A car moves with a speed of 40 km/h for 15 minutes, A then with a speed of 60 km/h for 15 minutes, then with D a speed of 48 km/h for 10 minutes, then with the speed F of 30 km/h for 20 minutes. Find the average speed of E the car. (A) 42 km/h (B) 43 km/h (A) Anther (B) Stigma (C) 45 km/h (D) 47 km/h (C) Filament (D) Style ANSWERS 1. (B) 2. (A) 3. (B) 4. (A) 5. (A) 6. (B) 7. (D) 8. (C) 9. (C) 10. (A) 11