Everyday Science LAT MCQs

1. Question 1 of 30

   What is the boiling point of water at sea level in Celsius?

   A 110°C B 80°C C 90°C D 100°C
2. Question 2 of 30

   What is the chemical symbol for water?

   A H2O B O2 C NaCl D CO2
3. Question 3 of 30

   What is the largest organ of the human body?

   A Lungs B Liver C Brain D Skin
4. Question 4 of 30

   What planet is known as the Red Planet?

   A Venus B Jupiter C Mercury D Mars
5. Question 5 of 30

   What metal is liquid at room temperature?

   A Mercury B Lead C Zinc D Iron
6. Question 6 of 30

   What gas do humans exhale during respiration?

   A Hydrogen B Oxygen C Nitrogen D Carbon dioxide
7. Question 7 of 30

   What organ filters waste from the blood?

   A Liver B Kidney C Heart D Lungs
8. Question 8 of 30

   What part of the eye controls the amount of light entering it?

   A Retina B Iris C Lens D Cornea
9. Question 9 of 30

   What is the pH value of pure water?

   A 10 B 0 C 14 D 7
10. Question 10 of 30

    What is the process by which plants make their food called?

    A Photosynthesis B Digestion C Transpiration D Respiration
11. Question 11 of 30

    What is the study of living organisms called?

    A Chemistry B Biology C Geology D Physics
12. Question 12 of 30

    What is the unit of electrical resistance?

    A Watt B Ampere C Volt D Ohm
13. Question 13 of 30

    What is the chemical symbol for gold?

    A Ag B Au C Go D Gd
14. Question 14 of 30

    What is the basic unit of heredity called?

    A Cell B Gene C Chromosome D Protein
15. Question 15 of 30

    What organ pumps blood throughout the human body?

    A Lungs B Liver C Kidney D Heart
16. Question 16 of 30

    What is the most abundant gas in Earth's atmosphere?

    A Oxygen B Carbon dioxide C Nitrogen D Argon
17. Question 17 of 30

    What part of the human body produces insulin?

    A Liver B Kidney C Pancreas D Spleen
18. Question 18 of 30

    What type of blood cells fight infection?

    A Red blood cells B Platelets C White blood cells D Plasma
19. Question 19 of 30

    What natural phenomenon is caused by the refraction of light through raindrops?

    A Mirage B Eclipse C Rainbow D Aurora
20. Question 20 of 30

    What vitamin is produced when skin is exposed to sunlight?

    A Vitamin C B Vitamin A C Vitamin D D Vitamin K
21. Question 21 of 30

    What is the speed of light approximately?

    A 300,000 km/s B 1,000,000 km/s C 3,000 km/s D 150,000 km/s
22. Question 22 of 30

    What force keeps planets in orbit around the sun?

    A Gravity B Magnetism C Friction D Inertia
23. Question 23 of 30

    What natural satellite orbits the Earth?

    A Venus B The Moon C The Sun D Mars
24. Question 24 of 30

    What is the powerhouse of the cell?

    A Mitochondria B Ribosome C Nucleus D Golgi apparatus
25. Question 25 of 30

    What is the main function of red blood cells?

    A Carry oxygen B Digest food C Clot blood D Fight infection
26. Question 26 of 30

    What is the hardest naturally occurring substance on Earth?

    A Diamond B Granite C Iron D Quartz
27. Question 27 of 30

    What is the freezing point of water in Celsius?

    A 5°C B 10°C C 0°C D -10°C
28. Question 28 of 30

    What is the smallest unit of an element that retains its properties?

    A Electron B Molecule C Cell D Atom
29. Question 29 of 30

    What is the study of weather and climate called?

    A Meteorology B Oceanography C Geology D Astronomy
30. Question 30 of 30

    What gas do plants absorb from the atmosphere during photosynthesis?

    A Nitrogen B Oxygen C Hydrogen D Carbon dioxide

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