Science Multiple Choice Quiz 1 (Questions only)

1. Which metal has the highest melting point?A TungstenB OsmiumC RheniumD Tantalum

2. Which part of a cell is the site of protein synthesis?A Golgi apparatusB LysosomeC RibosomeD Peroxisome

3. Which planet takes the longest to rotate once on its axis?A MercuryB MarsC NeptuneD Venus

4. What is the SI unit of electrical capacitance?A HenryB FaradC SiemensD Weber

5. A lack of which vitamin causes the disease beriberi?A Vitamin B1 (thiamine)B Vitamin B3 (niacin)C Vitamin B12D Vitamin D

6. Which scientist discovered the electron in 1897?A Ernest RutherfordB James ChadwickC J.J. ThomsonD Niels Bohr

7. Which is the most abundant element in the Earth's crust by mass?A SiliconB AluminiumC IronD Oxygen

8. Which of these particles is a lepton?A MuonB PionC NeutronD Kaon

9. Which blood vessel carries oxygen-rich blood from the lungs to the heart?A Pulmonary arteryB AortaC Vena cavaD Pulmonary vein

10. Which gas makes up about 95% of the atmosphere of Mars?A NitrogenB Carbon dioxideC MethaneD Argon

11. Which acid is used in a standard lead-acid car battery?A Hydrochloric acidB Nitric acidC Sulfuric acidD Phosphoric acid

12. Which of these minerals is the hardest on the Mohs scale?A CorundumB TopazC QuartzD Orthoclase feldspar

13. Roughly how long does light from the Sun take to reach the Earth?A About 1 minuteB About 8 minutesC About 20 minutesD About 1 hour

14. Which physicist formulated the uncertainty principle in 1927?A Erwin SchrödingerB Wolfgang PauliC Paul DiracD Werner Heisenberg

15. Which base is found in RNA but not in DNA?A ThymineB GuanineC UracilD Cytosine

16. Apart from mercury, which element is a liquid at 20°C?A BromineB GalliumC CaesiumD Iodine

17. Which part of the brain is mainly responsible for balance and the coordination of movement?A CerebrumB CerebellumC HypothalamusD Medulla oblongata

18. Which is the largest moon in the solar system?A TitanB CallistoC IoD Ganymede

19. Marble is formed when which rock is changed by heat and pressure?A SandstoneB ShaleC LimestoneD Granite

20. Which is the SI base unit of luminous intensity?A CandelaB LumenC LuxD Lambert

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