1.
The dark (light independent) reactions of photosynthesis are also known as the _____.
A Priestley cycle
B van Helmont cycle
C Calvin cycle
D Ingerhousz cycle
2.
Which substance from the light reactions of photosynthesis is a source of energy for the Calvin cycle?
A NADPH
B ADP
C pyruvic acid
D H2O
3.
In cells, the energy available in food is used to make an energy-rich compound called _____.
A ADP
B glucose
C ATP
D water
4.
Which of these equations best summarizes photosynthesis?
A C6H12O6 + 6 O2 --> 6 CO2 + 6 H2O + Energy
B C6H12O6 + 6 O2 --> 6 CO2 + 12 H2O
C 6 CO2 + 6 O2 --> C6H12O6 + 6 H2O
D 6 CO2 + 6 H2O --> C6H12O6 + 6 O2
5.
The first step in releasing the energy of glucose in the cell is known as _____.
A electron transport
B alcoholic fermentation
C the Krebs cycle
D glycolysis
6.
The net gain of energy from glycolysis is _____.
A 4 ATP molecules
B 8 ATP molecules
C 2 ATP molecules
D 3 pyruvic acid molecules
7.
In addition to light and chlorophyll, photosynthesis requires _____.
A oxygen and carbon dioxide
B water and sugars
C water and carbon dioxide
D water and oxygen
8.
The process that releases energy from food in the presence of oxygen is _____.
A ATP synthase
B photosynthesis
C cellular respiration
D synthesis
9.
The leaves of a plant appear green because chlorophyll _____.
A reflects green light
B reflects blue light
C absorbs blue light
D absorbs green light
10.
The Krebs cycle takes place within the _____.
A nucleus
B cytoplasm
C chloroplast
D mitochondrion