Metabolic Diversity Quiz

What is the primary energy source for phototrophs?

• Inorganic carbon

• Light

• Organic matter

• Chemical compounds

Which of the following is an example of a chemotroph?

• Humans

• Plants

• Cyanobacteria

• Algae

What type of carbon source do autotrophs use?

• Inorganic compounds

• Lipids

• Organic compounds

• Proteins

Which of the following is an example of an inorganic carbon source?

• Amino acids

• Glucose

• Methane

• Carbon dioxide

What is the main focus of lithotrophy?

• Energy source

• Electron acceptor

• Carbon source

• Electron donor

Which of the following is an example of an organic electron donor?

• Ferrous iron

• Glucose

• Hydrogen

• Ammonia

What combination describes a photoautolithotroph?

• Chemical energy, organic carbon, inorganic electron donor

• Chemical energy, inorganic carbon, organic electron donor

• Light energy, inorganic carbon, inorganic electron donor

• Light energy, organic carbon, organic electron donor

Which metabolic type uses a chemical energy source and an organic carbon source?

• Photoheterotroph

• Chemoheterotroph

• Chemoautotroph

• Photoautotroph

What is a common pairing in metabolic diversity?

• Photo and organo

• Auto and litho

• Hetero and litho

• Chemo and auto

Which statement is true about photoheterotrophs?

• They are the most common type of phototroph.

• They use light as an energy source and organic carbon.

• They use inorganic carbon and chemical energy.

• They are typically plants.