Chapter Seven Reading Quiz

Question 1

Wavelength is defined as
the distance a wave travels in a nanosecond
the distance between the crests of two successive waves in nanometers
the energy a wave has in nanojoules

Answer 1

the distance between the crests of two successive waves in nanometers

Question 2

The organelle specialized for photosynthesis is the
  chloroplast 
  peroxisome 
  mitochondrion 
  lysosome

Answer 2

chloroplast

Question 3

The light-dependent reactions occur in the
  stroma 
  intermembrane compartment 
  matrix 
  thylakoid membranes

Answer 3

thylakoid membranes

Question 4

Chlorophyll a absorbs
  violet and red light 
  yellow and ultraviolet light 
  blue and orange light 
  green light

Answer 4

violet and red light

Question 5

________ plants can store carbon dioxide at night for use the next day.
C3
C4
CAM

Answer 5

CAM

Question 6

Longer wavelengths are associated with
lower energy
higher energy

Answer 6

lower energy

they begin to denature

Question 7

An organic molecule that absorbs a specific wavelength of light is a
  enzyme 
  cofactor 
  coenzyme 
  pigment

Answer 7

pigment

Question 8

As electrons lose energy along an electron transfer chain in photosynthesis, the released energy is used to
move hydrogen ions from the stroma to the thylakoid compartment
make carbohydrate
make ATP
make NADPH

Answer 8

move hydrogen ions from the stroma to the thylakoid compartment

Question 9

Grasses such as corn, switchgrass, and bamboo improve the efficiency of carbon fixation on dry days by using a
CAM pathway
C3 pathway
C4 pathway

Answer 9

C4 pathway

Question 10

The dense fluid inside the chloroplast is the
  cytoplasm 
  matrix 
  stroma 
  thylakoid

Answer 10

stroma