In which plant cell organelle does photosynthesis take place?
Nucleus
Vacuole
Mitochondria
Chloroplast
What is the name of the first stage of photosynthesis?
Respiration
Carbon fixation
Glycolysis
Light reactions
During the light reactions, light energy splits water into which two substances?
Oxygen and carbon monoxide
Hydrogen and oxygen
Oxygen and carbon dioxide
Hydrogen and carbon dioxide
Which product(s) of stage 1 of photosynthesis is/are passed onto stage 2?
Oxygen only
ATP and hydrogen
ATP only
Hydrogen and oxygen
What is the name of stage 2 of photosynthesis?
Carbon fixation
Light reactions
Transpiration
Respiration
In the carbon fixation stage of photosynthesis, what combines with hydrogen to make glucose?
Starch
Water
Oxygen
Carbon dioxide
Which of the following is NOT a potential fate of the glucose produced during photosynthesis?
Converted to fatty acids and glycerol
Stored as starch
Used to make cellulose in cell walls
Used in respiration
What is the limiting factor of photosynthesis at "A"?
Light
Light intensity
Carbon dioxide concentration
Temperature
What is the limiting factor of photosynthesis at "B"?
Light
Temperature
Carbon dioxide concentration
Light intensity
What is the limiting factor of photosynthesis at "C"?
Carbon dioxide concentration
Light intensity
Light
Temperature
Which of the following does NOT apply to mutations?
They are non-random
They happen in DNA
They are spontaneous
They are the only source of new alleles in a population
Which process causes evolution over time in response to changing environmental conditions?
Intraspecific competition
Photosynthesis
Natural selection
Respiration
Which of the following is the first step in natural selection?
The best adapted survive
Mutations create variation
Some individuals die
Advantageous genes are passed onto offspring
What is the name of the process in which new species are created?
Sexual selection
Natural selection
Mutation
Speciation
Which of the following is evidence that two animals are of the same species?
They look at each other knowingly
They have identical DNA
The can interbreed to produce fertile offspring
The cells of both species contain ribosomes
