Science & Tech Quiz - 1 1 / 20 1. What is the SI unit used to measure electric voltage? Watt Ampere Ohm Volt 2 / 20 2. What color does a base change red litmus paper to? Red Blue Green Yellow 3 / 20 3. The fibrous peel of a coconut is made up of which type of tissue? Collenchyma Xylem Parenchyma Sclerenchyma 4 / 20 4. Which of the following cell organelles is referred to as the ‘suicide bag’ of the cell? Ribosome Golgi apparatus Mitochondrion Lysosome 5 / 20 5. How many types of pathways are formed in plants as freely organized conducting tubes? 3 1 4 2 6 / 20 6. Which instrument is used to measure the vibrations caused by an earthquake? Thermometer Seismograph Barometer Anemometer 7 / 20 7. What is placed at the top of the Food Guide Pyramid? Fruits Fats, oils, and sweets Dairy products Grains 8 / 20 8. What is the name of the alkali commonly found in window cleaners? Calcium carbonate Ammonium hydroxide Potassium nitrate Sodium chloride 9 / 20 9. What is the approximate atomic mass of hydrogen? 2 1 3 4 10 / 20 10. What is the rate of change in the velocity of an object per unit time called? Force Acceleration Speed Momentum 11 / 20 11. Compounds of which metal are used in black and white photography? Zinc Copper Silver Iron 12 / 20 12. Who is responsible for decomposing waste into smaller particles? Scavengers Consumers Decomposers Producers 13 / 20 13. What is the molecular formula of baking soda? Na₂CO₃ NaOH CaCO₃ NaHCO₃ 14 / 20 14. The Vienna Convention is associated with which subject or area? Climate Change Human Rights Nuclear Disarmament Ozone Layer Protection 15 / 20 15. Which hormone is produced by the pineal gland? Thyroxine Melatonin Adrenaline Insulin 16 / 20 16. What is the chemical name of ‘Neela Thotha’? Ferrous Sulphate Sodium Carbonate Copper Sulphate Zinc Chloride 17 / 20 17. Which disease is transmitted by a virus carried by Aedes mosquitoes? Typhoid Tuberculosis Dengue Malaria 18 / 20 18. Which of the following is considered a mobile source of food? Plants Fungi Algae Animals 19 / 20 19. In a terrestrial ecosystem, green plants absorb approximately what percentage of the sunlight energy that falls on their leaves? 3% 2% 1% 4% 20 / 20 20. Which of the following do aquatic animals require to breathe underwater? Carbon dioxide Nitrogen Oxygen dissolved in water Hydrogen Your score is By WordPress Quiz plugin
