General Science Mock Test

Which part of the plant conducts photosynthesis? ||| Roots ||| Stem ||| Flowers ||| Leaves ||| 4 Water boils at normal atmospheric pressure at what temperature? ||| 100°C ||| 90°C ||| 80°C ||| 120°C ||| 1 What is the chemical symbol of Sodium? ||| So ||| S ||| Na ||| Sn ||| 3 Which gas is essential for respiration in humans? ||| Carbon Dioxide ||| Nitrogen ||| Oxygen ||| Hydrogen ||| 3 Which vitamin is primarily obtained from sunlight? ||| Vitamin A ||| Vitamin C ||| Vitamin D ||| Vitamin K ||| 3 What is the unit of electric current? ||| Watt ||| Ampere ||| Volt ||| Ohm ||| 2 Which organ in the human body filters blood? ||| Heart ||| Lungs ||| Liver ||| Kidneys ||| 4 Which force pulls objects toward the Earth? ||| Friction ||| Magnetic Force ||| Gravity ||| Centripetal Force ||| 3 What is the boiling point of water in Fahrenheit? ||| 100°F ||| 180°F ||| 212°F ||| 98.6°F ||| 3 Which part of the eye controls the amount of light entering? ||| Retina ||| Lens ||| Iris ||| Cornea ||| 3 Which is the hardest natural substance on Earth? ||| Gold ||| Iron ||| Diamond ||| Quartz ||| 3 What gas do plants release during photosynthesis? ||| Oxygen ||| Carbon Dioxide ||| Nitrogen ||| Methane ||| 1 Which organ is called the "pump" of the human body? ||| Brain ||| Liver ||| Heart ||| Lungs ||| 3 How many bones are in the adult human body? ||| 206 ||| 210 ||| 201 ||| 190 ||| 1 What is the pH value of pure water? ||| 5 ||| 6 ||| 7 ||| 8 ||| 3 Which metal is liquid at room temperature? ||| Lead ||| Mercury ||| Zinc ||| Copper ||| 2 What is the function of red blood cells? ||| Fight infections ||| Carry oxygen ||| Digest food ||| Produce hormones ||| 2 Which gas is used to fill balloons so they float? ||| Oxygen ||| Hydrogen ||| Helium ||| Nitrogen ||| 3 Which planet is known as the Red Planet? ||| Venus ||| Mars ||| Jupiter ||| Saturn ||| 2 What is the main source of energy for Earth? ||| Moon ||| Fossil Fuels ||| Sun ||| Volcanoes ||| 3