Plant Processes Quiz

Which of the following organisms are able to use light energy from the sun to produce food?

• Animals

• Fungi

• Plants, algae, and some bacteria

• Viruses

What are the light-absorbing molecules that plants use to gather the sun’s energy called?

• Enzymes

• Pigments

• Proteins

• Hormones

Why do plants appear green?

• They absorb green light

• They reflect green light

• They produce green chemicals

• They lack pigments

What is the name of the structure in plant cells where photosynthesis takes place?

• Chloroplast

• Mitochondria

• Nucleus

• Ribosome

Which part of the chloroplast is labeled as the stack of thylakoids?

• Granum

• Stroma

• Outer Membrane

• Stroma Lamellae

What is the fluid-filled region inside the chloroplast called?

• Stroma

• Granum

• Thylakoid

• Stroma Lamellae

Which gases are exchanged through stomates?

• Oxygen (O2) and Carbon Dioxide (CO2)

• Nitrogen and Hydrogen

• Methane and Ammonia

• Helium and Neon

What is the main function of guard cells in plants?

• To open and close stomata

• To transport food

• To absorb water

• To provide structural support

How many molecules of carbon dioxide are used in the photosynthesis equation?

• 3

• 6

• 12

• 2

Where in the chloroplast is light energy captured during the light reaction?

• Grana

• Stroma

• Matrix

• Thylakoid space