Becker’s World Of The Cell 9th Edition By Jeff Hardin – Test Bank

Chapter 11 Phototrophic Energy Metabolism: Photosynthesis

11.1 Multiple-Choice Questions

1) Photoheterotrophs are best described as organisms that obtain energy to make ATP
A) from organic compounds but use sunlight to produce carbon sources.
B) and organic compounds from sunlight.
C) from sunlight but cannot make organic compounds from CO2.
D) from NADH.
E) from organic compounds.
Answer: C
Chapter Section: 11.1
Bloom’s Taxonomy: Knowledge
Learning Outcome: 11.1
Global LO: G2

2) Carbon dioxide generally enters a plant through pores called
A) mesophylls.
B) stomata.
C) cuticles.
D) connexons.
E) bacteriochlorophylls.
Answer: B
Chapter Section: 11.5
Bloom’s Taxonomy: Knowledge
Learning Outcome: 11.1
Global LO: G2

3) The process by which photosynthetic organisms use light energy for ATP production is known as
A) photorespiration.
B) photosynthesis.
C) phototaxis.
D) photophosphorylation.
E) photoreduction.
Answer: D
Chapter Section: 11.1
Bloom’s Taxonomy: Knowledge
Learning Outcome: 11.1
Global LO: G2

4) The endosymbiont theory states that chloroplasts originated
A) by spontaneous generation in the cytoplasm of an ancestral cell.
B) by fusion of several prokaryotes.
C) from cyanobacteria entering and remaining in the cytoplasm of another cell.
D) by fusion of mitochondria and peroxisomes.
E) through evolutionary change in a mitochondrion.
Answer: C
Chapter Section: 11.1
Bloom’s Taxonomy: Knowledge
Learning Outcome: 11.3
Global LO: G2
5) Each of the following is true regarding bacterial anoxygenic photosynthesis except
A) O2 is released.
B) Hydrogen sulfide or thiosulfate can act as electron donors.
C) Bacteriochlorophyll b absorbs light energy in the far red range of the light spectrum.
D) Electron flow is coupled to unidirectional proton pumping across the bacterial plasma membrane.
E) Following electron flow, the electron is transferred from cytochrome c to bacteriochlorophyll b.
Answer: A
Chapter Section: 11.4
Bloom’s Taxonomy: Knowledge
Learning Outcome: 11.1
Global LO: G2

6) In a chloroplast, the stroma is
A) a pore in the outer membrane.
B) a stack of thylakoids.
C) the region between in the inner and outer membranes.
D) a connection between the grana.
E) a gel-like matrix between the inner chloroplast membrane and the thylakoid membrane.
Answer: E
Chapter Section: 11.1
Bloom’s Taxonomy: Knowledge
Learning Outcome: 11.1
Global LO: G2

7) Of the following plastids, which is not paired with its proper function?
A) amyloplasts; sugar synthesis
B) chromoplasts; contain non-chlorophyll pigment that give flowers distinctive colors
C) chloroplasts; photosynthesis
D) proteinoplasts; protein storage
E) elaioplasts; lipid storage
Answer: A
Chapter Section: 11.1
Bloom’s Taxonomy: Knowledge
Learning Outcome: 11.1
Global LO: G2

8) The plastids that give flowers and fruits their distinctive colors are
A) chloroplasts.
B) elaioplasts.
C) amyloplasts.
D) chromoplasts.
E) proteinoplasts.
Answer: D
Chapter Section: 11.1
Bloom’s Taxonomy: Knowledge
Learning Outcome: 11.1
Global LO: G2
9) Which of the following is not an accessory pigment used to absorb photons that cannot be captured by chlorophyll?
A) β-carotene
B) phycoerythrin
C) lutein
D) phycochlorophyll
E) phycocyanin
Answer: D
Chapter Section: 11.2
Bloom’s Taxonomy: Knowledge
Learning Outcome: 11.1
Global LO: G2

10) Having various types of chlorophylls and accessory pigments for the photosynthetic process
A) allows for a variation in color among plants.
B) allows many wavelengths of light to be captured to provide energy for photosynthesis.
C) allows light to be harvested specifically in a stepwise manner.
D) shifts the equilibrium of photosynthesis toward the formation of products.
E) increases the efficiency of the Calvin cycle.
Answer: B
Chapter Section: 11.2
Bloom’s Taxonomy: Knowledge
Learning Outcome: 11.1
Global LO: G2