Questions about Photosynthesis


1. Select the correct statement about accessory (antennae) pigments.

 

a. Examples of accessory pigments are chlorophyll b, carotenoids, and xanthophylls.

          b. Accessory pigments pass electrons on to chlorophyll a.

          c. Accessory pigments are present in leaves all throughout the growing season.

          d. All of these are correct statements.


2. When the electrons and energy leave the chlorophyll a during the light-dependent reaction, they next go to _______________.

 

          a. an electron acceptor 

          b. an electron transport

          c. photosystem I 

          d. the Calvin cycle


3. Which statement is true of chlorophyll?


          a. It absorbs blue light and reflects green and red light.

          b. It absorbs blue and red light and reflects green light.

          c. It absorbs green light and reflects blue and red light.

          d. It absorbs red light and reflects blue and green light.


4. Which of these statements is correct?

 

          a. All cells undergo cellular respiration. 

          b. Only eukaryotic cells undergo cellular respiration.

          c. Only fungal and animal cells undergo cellular respiration.

          d. Only animal cells undergo cellular respiration.


5. The purpose of photolysis is to ____________.

 

          a. provide water for the plant 

          b. provide oxygen for the plant

          c. split carbon dioxide 

          d. provide electrons to replace those lost by photosystem II

 

6. The purpose of making NADPH during photosynthesis is _____.

 

          a. NADPH is converted into glucose 

          b. NADPH can be broken down to make CO2

          c. NADPH is an energy carrier 

          d. NADPH is needed to make chlorophyll


7. The overall purpose of the Calvin cycle is to _____________.

 

          a. generate molecules of ATP 

          b. generate NADPH

          c. give off oxygen for animal use 

          d. build organic (carbon) molecules


8. The last pigment to receive the electrons knocked loose by sunlight is ___________.

 

          a. xanthophyll 

          b. chlorophyll b 

          c. chlorophyll a 

          d. carotene


9. Within chloroplasts, the semiliquid matrix in which the Calvin cycle occurs is called the _________.

 

          a. stroma 

          b. thylakoid 

          c. grana 

          d. photosystem


10. The overall purpose of the Calvin cycle is to _____________.

 

          a. generate molecules of ATP 

          b. generate NADPH

          c. give off oxygen for animal use 

          d. build organic (carbon) molecules


11. The colors of light that are most effective for photosynthesis are ____________.

 

          a. red, blue, and violet 

          b. green, yellow, and orange

          c. infrared and ultraviolet 

          d. all colors are equally effective


12. Photosynthesis occurs in ____________.

 

          a. plants 

          b. bacteria 

          c. protists 

          d. all of these