Science Multiple Choice Quiz 1: multiple choice (Questions only)

1. Which metal has the highest melting point?

1. A Tungsten
2. B Osmium
3. C Rhenium
4. D Tantalum

2. Which part of a cell is the site of protein synthesis?

1. A Golgi apparatus
2. B Lysosome
3. C Ribosome
4. D Peroxisome

3. Which planet takes the longest to rotate once on its axis?

1. A Mercury
2. B Mars
3. C Neptune
4. D Venus

4. What is the SI unit of electrical capacitance?

1. A Henry
2. B Farad
3. C Siemens
4. D Weber

5. A lack of which vitamin causes the disease beriberi?

1. A Vitamin B1 (thiamine)
2. B Vitamin B3 (niacin)
3. C Vitamin B12
4. D Vitamin D

6. Which scientist discovered the electron in 1897?

1. A Ernest Rutherford
2. B James Chadwick
3. C J.J. Thomson
4. D Niels Bohr

7. Which is the most abundant element in the Earth's crust by mass?

1. A Silicon
2. B Aluminium
3. C Iron
4. D Oxygen

8. Which of these particles is a lepton?

1. A Muon
2. B Pion
3. C Neutron
4. D Kaon

9. Which blood vessel carries oxygen-rich blood from the lungs to the heart?

1. A Pulmonary artery
2. B Aorta
3. C Vena cava
4. D Pulmonary vein

10. Which gas makes up about 95% of the atmosphere of Mars?

1. A Nitrogen
2. B Carbon dioxide
3. C Methane
4. D Argon

11. Which acid is used in a standard lead-acid car battery?

1. A Hydrochloric acid
2. B Nitric acid
3. C Sulfuric acid
4. D Phosphoric acid

12. Which of these minerals is the hardest on the Mohs scale?

1. A Corundum
2. B Topaz
3. C Quartz
4. D Orthoclase feldspar

13. Roughly how long does light from the Sun take to reach the Earth?

1. A About 1 minute
2. B About 8 minutes
3. C About 20 minutes
4. D About 1 hour

14. Which physicist formulated the uncertainty principle in 1927?

1. A Erwin Schrödinger
2. B Wolfgang Pauli
3. C Paul Dirac
4. D Werner Heisenberg

15. Which base is found in RNA but not in DNA?

1. A Thymine
2. B Guanine
3. C Uracil
4. D Cytosine

16. Apart from mercury, which element is a liquid at 20°C?

1. A Bromine
2. B Gallium
3. C Caesium
4. D Iodine

17. Which part of the brain is mainly responsible for balance and the coordination of movement?

1. A Cerebrum
2. B Cerebellum
3. C Hypothalamus
4. D Medulla oblongata

18. Which is the largest moon in the solar system?

1. A Titan
2. B Callisto
3. C Io
4. D Ganymede

19. Marble is formed when which rock is changed by heat and pressure?

1. A Sandstone
2. B Shale
3. C Limestone
4. D Granite

20. Which is the SI base unit of luminous intensity?

1. A Candela
2. B Lumen
3. C Lux
4. D Lambert