Question 1

Photosystem pigments that function in gathering and passing light to reaction-center molecules are called

Accepted Answer

A)  reaction-center pigments. 
B)  phosphorescent pigments. 
C)  antenna pigments. 
D)  carotene pigments. 
E)  700 pigments. 
A)  reaction-center pigments. 
B)  phosphorescent pigments. 
C)  antenna pigments. 
D)  carotene pigments. 
E)  700 pigments.

Question 2

The energy released from a glucose molecule during fermentation is only a fraction of the energy released during aerobic respiration.

Accepted Answer

A) True 
 B)False

Question 3

The citric acid cycle _________________.

Accepted Answer

A)  may occur in cells where photosynthesis is also taking place 
B)  takes place as a part of the light independent reactions of photosynthesis 
C)  consists of a breakdown of glucose to a simpler compound 
D)  is the final step of the respiration process 
E)  takes place primarily in the endoplasmic reticulum 
A)  may occur in cells where photosynthesis is also taking place 
B)  takes place as a part of the light independent reactions of photosynthesis 
C)  consists of a breakdown of glucose to a simpler compound 
D)  is the final step of the respiration process 
E)  takes place primarily in the endoplasmic reticulum

Question 4

The English biochemist who discovered that isolated chloroplasts, free of other cellular contents, could briefly produce oxygen in the presence of an electron acceptor was

Accepted Answer

A)  Melvin Calvin. 
B)  Robin Hill. 
C)  Percival Priestly. 
D)  Jan Ingen-Housz. 
E)  Theodore de Saussure. 
A)  Melvin Calvin. 
B)  Robin Hill. 
C)  Percival Priestly. 
D)  Jan Ingen-Housz. 
E)  Theodore de Saussure.

Question 5

Type of chemical process that occurs during digestion.

Accepted Answer

A)  hydrolysis. 
B)  phosphorylation. 
C)  chemiosmosis. 
D)  fermentation. 
E)  carboxylation. 
A)  hydrolysis. 
B)  phosphorylation. 
C)  chemiosmosis. 
D)  fermentation. 
E)  carboxylation.

Question 6

The Calvin cycle is also called the

Accepted Answer

A)  3-carbon pathway. 
B)  4-carbon pathway. 
C)  5-carbon pathway. 
D)  6-carbon pathway. 
E)  7-carbon pathway. 
A)  3-carbon pathway. 
B)  4-carbon pathway. 
C)  5-carbon pathway. 
D)  6-carbon pathway. 
E)  7-carbon pathway.

Question 7

Which photosynthetic pigment is a precursor of vitamin A?

Accepted Answer

A)  Xanothophyll 
B)  Phycobilin 
C)  ß-carotene 
D)  Chlorophyll b 
E)  Fucoxanthin 
A)  Xanothophyll 
B)  Phycobilin 
C)  ß-carotene 
D)  Chlorophyll b 
E)  Fucoxanthin

Question 8

Glycolysis takes place in the

Accepted Answer

A)  mitochondria. 
B)  chloroplast. 
C)  nucleus. 
D)  cytoplasm. 
E)  ER. 
A)  mitochondria. 
B)  chloroplast. 
C)  nucleus. 
D)  cytoplasm. 
E)  ER.

Question 9

Phaeophytin is the electron acceptor molecule in photosystem 2.

Accepted Answer

A) True 
 B)False

Question 10

Metabolism refers to __________________________.

Accepted Answer

A)  how rapidly your body converts food calories to kinetic energy 
B)  all the metabolic activities that take place in cells and entire organisms as a whole 
C)  the rate of a chemical reaction 
D)  enzyme catalysts 
E)  processing genetic information 
A)  how rapidly your body converts food calories to kinetic energy 
B)  all the metabolic activities that take place in cells and entire organisms as a whole 
C)  the rate of a chemical reaction 
D)  enzyme catalysts 
E)  processing genetic information

Question 11

CAM photosynthesis is best known in tropical plants.

Accepted Answer

A) True 
 B)False

Question 12

The oxygen liberated by green plants during photosynthesis comes from

Accepted Answer

A)  water molecules. 
B)  the breakdown of food in living cells. 
C)  ATP. 
D)  the glucose formed during the dark reactions. 
E)  carbon dioxide. 
A)  water molecules. 
B)  the breakdown of food in living cells. 
C)  ATP. 
D)  the glucose formed during the dark reactions. 
E)  carbon dioxide.

Question 13

Heat inactivates most enzymes.

Accepted Answer

A) True 
 B)False

Question 14

A step in respiration during which sugar is oxidized to pyruvic acid is called

Accepted Answer

A)  phosphorylation. 
B)  sugar cleavage. 
C)  glycolysis 
D)  fermentation. 
E)  electron transport. 
A)  phosphorylation. 
B)  sugar cleavage. 
C)  glycolysis 
D)  fermentation. 
E)  electron transport.

Question 15

Photosynthesis can be defined as the conversion of light energy to biochemical energy.

Accepted Answer

A) True 
 B)False

Question 16

Photosynthetically active pigments absorb ____________.

Accepted Answer

A)  all wavelengths of visible light 
B)  all wavelengths of light, including infrared and ultraviolet 
C)  specific wavelengths of red and blue light 
D)  reflect all wavelengths of visible light except green 
E)  transfer chemical energy to light energy 
A)  all wavelengths of visible light 
B)  all wavelengths of light, including infrared and ultraviolet 
C)  specific wavelengths of red and blue light 
D)  reflect all wavelengths of visible light except green 
E)  transfer chemical energy to light energy

Question 17

During the light reactions of photosynthesis

Accepted Answer

A)  carbon dioxide is combined with certain organic compounds to produce glucose. 
B)  the hydrogen removed from water molecules is combined with carbon dioxide, forming glucose. 
C)  water is split through photon energy into hydrogen ions, electrons, and oxygen. 
D)  water is split by ATP into hydrogen ions, electrons, and oxygen. 
E)  carbon dioxide is split into oxygen and carbon atoms. 
A)  carbon dioxide is combined with certain organic compounds to produce glucose. 
B)  the hydrogen removed from water molecules is combined with carbon dioxide, forming glucose. 
C)  water is split through photon energy into hydrogen ions, electrons, and oxygen. 
D)  water is split by ATP into hydrogen ions, electrons, and oxygen. 
E)  carbon dioxide is split into oxygen and carbon atoms.

Question 18

An increase in ___________ would theoretically increase photosynthesis.

Accepted Answer

A)  CO2 
B)  nitrate 
C)  oxygen 
D)  sulphur dioxide 
E)  carbon monoxide 
A)  CO2 
B)  nitrate 
C)  oxygen 
D)  sulphur dioxide 
E)  carbon monoxide

Question 19

Respiration occurs only in cells where no photosynthesis is taking place.

Accepted Answer

A) True 
 B)False

Question 20

Which of the following is/are found in C4 plants?

Accepted Answer

A)  Large chloroplasts with numerous starch grains. 
B)  High concentrations of PEP carboxylase in mesophyll cells. 
C)  Higher optimum temperatures for photosynthesis than C3 plants. 
D)  Small chloroplasts with well-developed grana. 
E)  All of these answers are correct. 
A)  Large chloroplasts with numerous starch grains. 
B)  High concentrations of PEP carboxylase in mesophyll cells. 
C)  Higher optimum temperatures for photosynthesis than C3 plants. 
D)  Small chloroplasts with well-developed grana. 
E)  All of these answers are correct.

Exam 10: Plant Metabolism

Photosystem pigments that function in gathering and passing light to reaction-center molecules are called

The energy released from a glucose molecule during fermentation is only a fraction of the energy released during aerobic respiration.

The citric acid cycle _________________.

The English biochemist who discovered that isolated chloroplasts, free of other cellular contents, could briefly produce oxygen in the presence of an electron acceptor was

Type of chemical process that occurs during digestion.

The Calvin cycle is also called the

Which photosynthetic pigment is a precursor of vitamin A?

Glycolysis takes place in the

Phaeophytin is the electron acceptor molecule in photosystem 2.

Metabolism refers to __________________________.

CAM photosynthesis is best known in tropical plants.

The oxygen liberated by green plants during photosynthesis comes from

Heat inactivates most enzymes.

A step in respiration during which sugar is oxidized to pyruvic acid is called

Photosynthesis can be defined as the conversion of light energy to biochemical energy.

Photosynthetically active pigments absorb ____________.

During the light reactions of photosynthesis

An increase in ___________ would theoretically increase photosynthesis.

Respiration occurs only in cells where no photosynthesis is taking place.

Which of the following is/are found in C4 plants?

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

Which of the following is/are found in C₄ plants?