Are you aPhotosynthesis Master?

The plant organ responsible for conducting photosynthesis is the…

1. Leaf2. Stem3. Root4. Flower

Which type of leaf cell is labeled on the diagram?

1. Spongy Mesophyll Cell

2. Palisade Mesophyll Cell

3. Guard Cell

4. Epidermis Cell

Plant cells contain organelles called ____________ that perform photosynthesis.

1. Vacuoles

2. Mitochondria

3. Lysosomes

4. Chloroplasts

Flat, disk-shaped structures called ___________ inside the chloroplasts are responsible for the “light reactions” of photo synthesis.

1. Stomata

2. Thylakoids

3. Guard Cells

4. Stroma

Photosynthesis consists of two main sets of chemical reactions called _________ and _________.

1. Sun Reactions and Enzyme Reactions

2. Sunlight Reactions and Leaf Cycle

3. Light Reactions and Calvin Cycle

4. CO2 Reactions and Calvin Cycle

Plants release oxygen gas as a result of photosynthesis.How is the oxygen made?

1. During the light reactions after water molecules are split apart

2. During the Calvin Cycle when CO2

is added

3. In the spongy cell layer when CO2

molecules are split apart

4. During the light reactions when electrons combine with oxygen atoms

Two types of molecules that are rich in chemical energy are created by the Light Reactions. These molecules are…

1. Oxygen and ATP

2. NADPH and ATP

3. NADPH and Oxygen

4. ATP and ADP

ATP is created when hydrogen ions flow through a transport protein in the thylakoid membrane and…

1. Activate an ATP Enzyme

2. Combine with NADP+

3. Cause electrons to flow through the photosystems

4. Cause PGA to release ATP

During the beginning stages of the Calvin Cycle, CO2 is combined with another molecule with the help of an enzyme called…

1. Carbodioxase

2. Rubiscase

3. Rubisco

4. Carbonase

The purpose of the Calvin Cycle is to produce ____________, which the plant uses as “food.”

1. Carbon Dioxide

2. ATP

3. NADPH

4. Glucose

Glucose molecules contain carbon atoms that were once part of CO2.

1. True

2. False