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