Photosynthesis Photosynthesis

Question Question What is an example of an autotroph?

Answer Answer Tree, plant

Question Question What is an example of a heterotroph?

Answer Answer Human, animal

Question Question Energy is released from ATP when

Answer Answer a phosphate group is removed

Question Question What is used in the reactants in photosynthesis?

Answer Answer Carbon dioxide, light, and water

Question Question Most plants appear green because chlorophyll…….

Answer Answer Chlorophyll does not absorb green light.

Question Question A granum is a(an)

Answer Answer Stack of thylakoids

Question Question The light collecting units of the chloroplast are the………..

Answer Answer The light collecting units are the photosystems.

Question Question What are the products of light- dependent reactions?

Answer Answer Oxygen gas, NADPH, and ATP

Question Question The Calvin cycle takes place in the

Answer Answer stroma

Question Question If carbon dioxide is removed from a plant’s environment, what would you expect to happen to its production of high-energy sugars?

Answer Answer No sugars will be produced.

Question Question If you continue to increase the intensity of light that a plant receives, what happens?

Answer Answer The rate of photosynthesis increases and then levels off.

Question Question Jan VanHelmont concluded that plants gain most of their mass from….

Answer Answer water

Question Question Ingenhousz showed that plants produce oxygen bubbles when exposed to…

Answer Answer light Let There Be Light!!

Question Question Plants take in energy by absorbing….

Answer Answer sunlight

Question Question The Calvin cycle is another name for…..

Answer Answer light –independent reactions

Question Question In many plants, the rate of photosynthesis ____________when the weather becomes very cold.

Answer Answer decreases

Question Question Write the overall equation for photosynthesis in both symbols and words.

Answer Answer 6CO2+6H2O=C6H12O6 Carbon dioxide plus water=sugar and oxygen 6CO2+6H2O=C6H12O6 Carbon dioxide plus water=sugar and oxygen

Question Question What does the Calvin Cycle do?

Answer Answer The Calvin Cycle uses ATP and NADPH to produce high energy sugars.

Question Question List three factors that affect the rate of photosynthesis.

Answer Answer Light intensity, temperature, and water.

Question Question List three ways in which plants “fixate” or take in carbon.

Answer Answer 1) Calvin Cycle-most plants 2) C4-corn 3) CAM-cactus-at night prevents H2O loss. 1) Calvin Cycle-most plants 2) C4-corn 3) CAM-cactus-at night prevents H2O loss.