Biology 6 - General Biology I » Spring 2021 » Review Quiz on Chemistry of Life

Need help with your exam preparation?

Existing Quiz Clients Login here
Question #1
A hydrogen atom (element) is different from a carbon atom (element) because they differ in the number of______________.
A.   neutron
B.   protons
C.   electron
Question #2
Which of the following molecules is a carbohydrate?
A.   olive oil
B.   cholesterol
C.   glucose
D.   insulin
Question #3
Organic molecules have a “backbone” consisting of which element?
A.   oxygen (O)
B.   carbon (C)
C.   hydrogen (H)
D.   nitrogen (N)
E.   calcium (Ca)
Question #4
Which major group of organic compounds has tremendous diversity in structure and function and hence, is the most abundant organic compound in cells?
A.   fats
B.   steroids
C.   proteins
D.   sugars
Question #5
Which is NOT true about water molecules?
A.   stabilizes temperature
B.   nonpolar
C.   strong cohesion
D.   inorganic
Question #6
Which type of organic compound is used by cells as genetic material?
A.   water
B.   carbohydrate
C.   nucleic acid
D.   protein
E.   lipid
Question #7
A/n ________ releases H+ when it is added to water.
A.   atom
B.   acid
C.   ion
D.   base (alkaline)
Question #8
To dissolve in water, a substance has to be _________________.
A.   inorganic
B.   polar
C.   small in size
D.   neutral in pH
Question #9
Which event occurs during a chemical reaction?
A.   solute dissolves into solvent
B.   covalent bonds are broken or formed
C.   substances evaporate
Question #10
Which molecule is organic?
A.   hydrochloric acid
B.   oxygen gas
C.   water
D.   table salt
E.   sugar

Need help with your exam preparation?

Existing Quiz Clients Login here