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