Organisms and Their Nutrition Quiz

What is the term for organisms that consume organic matter as their source of energy?

• Consumers

• Autotrophs

• Heterotrophs

• Producers

What is the energy source for photoautotrophs?

• Light

• Chemicals

• Oxygen

• Carbon dioxide

Which type of organisms can make their own food from inorganic substances using light as an energy source?

• Chemoautotrophs

• Photoautotrophs

• Photoheterotrophs

• Chemoheterotrophs

What is the energy source for chemoautotrophs?

• Oxygen

• Chemicals

• Light

• Carbon dioxide

What is the term for organisms that must consume organic substances and use organic compounds as their energy source?

• Heterotrophs

• Autotrophs

• Consumers

• Producers

What is the process by which autotrophs make organic substances from inorganic substances?

• Photosynthesis

• Respiration

• Digestion

• Fermentation

What is the source of energy for plants to carry out photosynthesis?

• Water

• Light

• Oxygen

• Carbon dioxide

What is the term for organisms that obtain their energy from inorganic substances without the use of light?

• Photoautotrophs

• Heterotrophs

• Chemoautotrophs

• Chemoheterotrophs

What is the important element that most carnivorous plants obtain from digesting insects?

• Hydrogen

• Nitrogen

• Oxygen

• Carbon

What is the term for organisms that can be both autotrophs and heterotrophs depending on the availability of light?

• Chemoheterotrophs

• Chemoautotrophs

• Photoautotrophs

• Photoheterotrophs