Question 1

The longest wavelengths of light useful in photosynthesis are those of

Accepted Answer

A)  ultraviolet. 
B)  red light. 
C)  blue light. 
D)  infrared. 
E)  green light. 
A)  ultraviolet. 
B)  red light. 
C)  blue light. 
D)  infrared. 
E)  green light. B

Question 2

During the light independent reactions, what plants produce oxaloacetic acid in mesophyll cells and phosphoglyceric acid (PGA)in the bundle sheath cells

Accepted Answer

A)  ferredoxin plants. 
B)  oxalis plants. 
C)  CAM plants. 
D)  C4 plants. 
E)  C3 plants. 
A)  ferredoxin plants. 
B)  oxalis plants. 
C)  CAM plants. 
D)  C4 plants. 
E)  C3 plants. D

Question 3

The citric acid cycle takes place in the ___________________.

Accepted Answer

A)  dictyosome 
B)  chloroplast 
C)  nucleus 
D)  cytoplasm 
E)  mitochondria 
A)  dictyosome 
B)  chloroplast 
C)  nucleus 
D)  cytoplasm 
E)  mitochondria E

Question 4

CAM photosynthesis occurs mostly in

Accepted Answer

A)  aquatic plants. 
B)  arctic plants. 
C)  temperate forest plants. 
D)  tropical rain forest plants. 
E)  cacti and succulents. 
A)  aquatic plants. 
B)  arctic plants. 
C)  temperate forest plants. 
D)  tropical rain forest plants. 
E)  cacti and succulents.

Question 5

The electron transport chain contains a group of iron-containing molecules called

Accepted Answer

A)  chlorophylls. 
B)  cytochromes. 
C)  xanthophylls. 
D)  pyruvates. 
E)  flavonoids. 
A)  chlorophylls. 
B)  cytochromes. 
C)  xanthophylls. 
D)  pyruvates. 
E)  flavonoids.

Question 6

Pyruvic acid, formed in glycolysis, is the starting molecule for production of the unique products of fermentation.

Accepted Answer

A) True 
 B)False

Question 7

Organisms that cannot use atmospheric oxygen are called anaerobic organisms.

Accepted Answer

A) True 
 B)False

Question 8

During glycolysis

Accepted Answer

A) a 2-carbon acetyl fragment is bonded to coenzyme A. 
B) 2 NADH molecules are produced from each glucose molecule. 
C) acetyl CoA is combined with oxaloacetic acid. 
D) 2 molecules of FADH2 are produced. 
E) 5-carbon compounds are produced. 
A) a 2-carbon acetyl fragment is bonded to coenzyme A. 
B) 2 NADH molecules are produced from each glucose molecule. 
C) acetyl CoA is combined with oxaloacetic acid. 
D) 2 molecules of FADH2 are produced. 
E) 5-carbon compounds are produced.

Question 9

When a pigment absorbs light, certain electrons are raised to a higher energy level.Subsequent emission of light energy when the electron returns to its lower energy level is called

Accepted Answer

A)  reduction. 
B)  photoelectric effect. 
C)  reaction-center phenomenon. 
D)  antenna pigment emission. 
E)  fluorescence. 
A)  reduction. 
B)  photoelectric effect. 
C)  reaction-center phenomenon. 
D)  antenna pigment emission. 
E)  fluorescence.

Question 10

Which of the following is a summary of photosynthesis with respect to requirements, reactants and products?

Accepted Answer

A)  C6H12O6 + O2 --> CO2 + H2O + ATP 
B)  C6H12O6 + ATP --> CO2 + H2O + O2 
C)  CO2 + H2O + light --> C6H12O6 + O2 + H2O 
D)  C6H12O6 + O2 + H2O --> CO2 + H2O + O2 
E)  CO2 + O2 + light --> C6H12O6 + ATP 
A)  C6H12O6 + O2 --> CO2 + H2O + ATP 
B)  C6H12O6 + ATP --> CO2 + H2O + O2 
C)  CO2 + H2O + light --> C6H12O6 + O2 + H2O 
D)  C6H12O6 + O2 + H2O --> CO2 + H2O + O2 
E)  CO2 + O2 + light --> C6H12O6 + ATP

Question 11

Photosynthetic light independent reactions can take place in the light.

Accepted Answer

A) True 
 B)False

Question 12

Photophosphorylation refers to _______________________.

Accepted Answer

A)  removal of a proton from a phosphate group 
B)  use of light energy to directly add a phosphate group to ADP to form ATP 
C)  use of light energy to create a proton gradient which, in turn, is used to add a phosphate group to ADP to form ATP 
D)  removal of a phosphate group from ATP to form ADP 
E)  the light independent reactions of photosynthesis 
A)  removal of a proton from a phosphate group 
B)  use of light energy to directly add a phosphate group to ADP to form ATP 
C)  use of light energy to create a proton gradient which, in turn, is used to add a phosphate group to ADP to form ATP 
D)  removal of a phosphate group from ATP to form ADP 
E)  the light independent reactions of photosynthesis

Question 13

In the process of photosynthesis, which molecule becomes reduced?

Accepted Answer

A)  CO2 
B)  H20 
C)  CH2O 
D)  O2 
E)  C6H12O6 CO2 + H2O ---------> CH2O + O2 
A)  CO2 
B)  H20 
C)  CH2O 
D)  O2 
E)  C6H12O6 CO2 + H2O ---------> CH2O + O2

Question 14

Photosynthetic 'light dependent' reactions can take place in the dark.

Accepted Answer

A) True 
 B)False

Question 15

Which of the following is NOT produced during fermentation?

Accepted Answer

A)  lactic acid 
B)  ethyl alcohol 
C)  CO2 
D)  acetylCoA 
E)  ATP 
A)  lactic acid 
B)  ethyl alcohol 
C)  CO2 
D)  acetylCoA 
E)  ATP

Question 16

In glycolysis

Accepted Answer

A)  glucose is broken down into simpler compounds. 
B)  chlorophyll helps store energy in NADPH molecules. 
C)  water is split into hydrogen ions and oxygen through the energy of light. 
D)  the Krebs cycle produces oxygen. 
E)  ATP molecules are converted to fats. 
A)  glucose is broken down into simpler compounds. 
B)  chlorophyll helps store energy in NADPH molecules. 
C)  water is split into hydrogen ions and oxygen through the energy of light. 
D)  the Krebs cycle produces oxygen. 
E)  ATP molecules are converted to fats.

Question 17

Photooxidation primarily involves the

Accepted Answer

A)  conversion of oxygen to ozone by light. 
B)  conversion of light to oxygen. 
C)  destruction of chlorophyll by light. 
D)  respiration of sugar. 
E)  conduction of food from sinks to sources. 
A)  conversion of oxygen to ozone by light. 
B)  conversion of light to oxygen. 
C)  destruction of chlorophyll by light. 
D)  respiration of sugar. 
E)  conduction of food from sinks to sources.

Question 18

Resins, gums, oils, and other substances may be manufactured during the process of assimilation.

Accepted Answer

A) True 
 B)False

Question 19

NADPH transports ____________ and __________ from light dependent to light independent photosynthetic reactions.

Accepted Answer

A)  water; carbon dioxide 
B)  phosphate group; oxygen 
C)  photons; carbon dioxide 
D)  hydrogen ions; electrons 
E)  iron; copper 
A)  water; carbon dioxide 
B)  phosphate group; oxygen 
C)  photons; carbon dioxide 
D)  hydrogen ions; electrons 
E)  iron; copper

Question 20

The shorter the wavelength of light, the greater the energy.

Accepted Answer

A) True 
 B)False

Exam 10: Plant Metabolism

The longest wavelengths of light useful in photosynthesis are those of

During the light independent reactions, what plants produce oxaloacetic acid in mesophyll cells and phosphoglyceric acid (PGA)in the bundle sheath cells

The citric acid cycle takes place in the ___________________.

CAM photosynthesis occurs mostly in

The electron transport chain contains a group of iron-containing molecules called

Pyruvic acid, formed in glycolysis, is the starting molecule for production of the unique products of fermentation.

Organisms that cannot use atmospheric oxygen are called anaerobic organisms.

During glycolysis

When a pigment absorbs light, certain electrons are raised to a higher energy level.Subsequent emission of light energy when the electron returns to its lower energy level is called

Which of the following is a summary of photosynthesis with respect to requirements, reactants and products?

Photosynthetic light independent reactions can take place in the light.

Photophosphorylation refers to _______________________.

In the process of photosynthesis, which molecule becomes reduced?

Photosynthetic 'light dependent' reactions can take place in the dark.

Which of the following is NOT produced during fermentation?

In glycolysis

Photooxidation primarily involves the

Resins, gums, oils, and other substances may be manufactured during the process of assimilation.

NADPH transports ____________ and __________ from light dependent to light independent photosynthetic reactions.

The shorter the wavelength of light, the greater the energy.

What Is Plant Biology

The Nature of Life

Cells

Tissues

Roots and Soils

Stems

Leaves

Flowers, Fruits, and Seeds

Water in Plants

Growth

Meiosis and Alternation of Generation

Genetics

Plant Breeding and Propagation

Evolution

Plant Names and Classification

Domain Kingdombacteria, Domain King-Domarchaea, and Viruses

Kingdom Protista

Kingdom Fungi

Introduction to the Plant Kingdom: Bryophytes

The Seedless Vascular Plants: Ferns and Their Relatives

Introduction to Seed Plants: Gymnosperms

Seed Plants: Angiosperms

Flowering Plants and Civilization

Ecology

Biomes

Filters

NADPH transports __ and from light dependent to light independent photosynthetic reactions.