Biology Review Question Preview (ID: 269)

Ch 1 Review. TEACHERS: click here for quick copy question ID numbers.

What is the smallest living unit?
a) cell
b) organism
c) molecule
d) element

What is another word for the process of converting food to energy
a) chemosynthesis
b) photosynthesis
c) chow down
d) gorge

Plants and other organisims that make their own food are
a) autotrophs
b) heterotrophs
c) consumers
d) predators

Animals which eat both meat and plants are
a) omnivores
b) carnivores
c) herbivores
d) evil

The top level of organisms on in a food web are
a) producers
b) primary consumers
c) plants
d) secondary consumers

Which formula represents an organic compound?
a) Mg(OH)2
b) NaCl
c) C12H22O11
d) NH3

Which is an organic compound found in most cells?
a) glucose
b) water
c) sodium chloride
d) oxygen gas

Which are the four most abundant elements in living cells?
a) carbon, oxygen, nitrogen, sulfur
b) carbon, oxygen, hydrogen, nitrogen
c) carbon, oxygen, sulfur, phosphorus
d) carbon, sulfur, hydrogen, magnesium

Which pair of compounds can be classified as inorganic?
a) nucleic acids and minerals
b) proteins and water
c) water and salts
d) nucleic acids and proteins

An organelle differs from an organ in that an organelle
a) is a substructure of a cell
b) contains one specific type of tissue
c) is larger than an organ
d) cannot be stained

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