Font size
WorksheetsBasic Chem
Total questions: 12
Worksheet time: 4mins
Which one of the following is the most common element found in the body?
Oxygen
Carbon
Hydrogen
Nitrogen
What is two or more atoms held together by chemical bonds?
adenosine triphosphate (ATP)
carbon
molecule
compound
Which element is present in all life forms?
adenosine triphosphate (ATP)
carbon
molecule
compound
Adenosine triphosphate (ATP) is a form of (a) energy.
Muscle contraction is a form of (a) energy.
Which of the following is (are) true concerning energy?
Energy has mass and takes up space.
Energy can be kinetic and move matter.
Chemical energy is potential energy stored in chemical bonds.
Mechanical energy is indirectly involved in moving matter.
Radiant energy directly involves electromagnetic waves.
Important functions of water include which of the following?
Provides cushioning
Acts as a transport medium
Participates in chemical reactions
Acts as a solvent for sugars, salts, and other solutes
Reduces temperature fluctuations
Acidic substances include which of the following?
Blood
Water
Gastric juice
Egg white
Lye
Nerve impulses involve the flow of an electrical current, a type of energy known as (a) energy.
Which of the following is (are) a subatomic particle associated with an atom?
neutron
electron
proton
ion
An acid is a molecule that releases (donates) ____________.
protons (hydrogen ions)
hydroxyl ions
neutrons
electrons
Which of the following is classified as an inorganic compound?
glucose
triglyceride
water
protein
steroid
