Biology Review Question Preview (ID: 269)
Ch 1 Review.
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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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