Question 1

Phaeophytin is the electron acceptor molecule in photosystem 2.

Accepted Answer

A) True 
 B)False

Question 2

In aerobic respiration, how many ATPs are produced from complete respiration of one molecule of glucose?

Accepted Answer

A)  46 
B)  36 
C)  26 
D)  16 
E)  6 
A)  46 
B)  36 
C)  26 
D)  16 
E)  6

Question 3

Which of the following is NOT produced during fermentation?

Accepted Answer

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

Question 4

Heat inactivates most enzymes.

Accepted Answer

A) True 
 B)False

Question 5

RuBP is a 5-carbon sugar that is continually being formed during photosynthesis.

Accepted Answer

A) True 
 B)False

Question 6

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

Accepted Answer

A) True 
 B)False

Question 7

Which of the following are contained in each photosynthetic unit of photosystem I?

Accepted Answer

A)  one P700 molecule 
B)  small amounts of chlorophyll b 
C)  carotenoid pigment 
D)  200 or more molecules of chlorophyll a 
E)  All of these answers are correct. 
A)  one P700 molecule 
B)  small amounts of chlorophyll b 
C)  carotenoid pigment 
D)  200 or more molecules of chlorophyll a 
E)  All of these answers are correct.

Question 8

A temperature rise of 10°C between 20o and 30o C can double or even triple respiration rates.

Accepted Answer

A) True 
 B)False

Question 9

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 10

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 11

Cytochromes are the principal acceptor molecules in an electron transport chain.

Accepted Answer

A) True 
 B)False

Question 12

Oxidation is the

Accepted Answer

A)  gaining of electrons. 
B)  sharing of electrons. 
C)  loss of protons. 
D)  loss of electrons. 
E)  loss of water. 
A)  gaining of electrons. 
B)  sharing of electrons. 
C)  loss of protons. 
D)  loss of electrons. 
E)  loss of water.

Question 13

The carbohydrate produced through photosynthesis is converted to other substances through the process of assimilation.

Accepted Answer

A) True 
 B)False

Question 14

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

Question 15

Several antenna pigments function in photosynthesis. Which is found in flowering (higher) plants?

Accepted Answer

A)  carotenoids 
B)  phycobilins 
C)  chlorophyll b 
D)  fucoxanthin 
E)  Both carotenoids and chlorophyll b are correct. 
A)  carotenoids 
B)  phycobilins 
C)  chlorophyll b 
D)  fucoxanthin 
E)  Both carotenoids and chlorophyll b are correct.

Question 16

Organisms that cannot use atmospheric oxygen are called anaerobic organisms.

Accepted Answer

A) True 
 B)False

Question 17

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 18

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 19

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 20

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

Accepted Answer

A) True 
 B)False

Exam 10: Plant Metabolism

Phaeophytin is the electron acceptor molecule in photosystem 2.

In aerobic respiration, how many ATPs are produced from complete respiration of one molecule of glucose?

Which of the following is NOT produced during fermentation?

Heat inactivates most enzymes.

RuBP is a 5-carbon sugar that is continually being formed during photosynthesis.

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

Which of the following are contained in each photosynthetic unit of photosystem I?

A temperature rise of 10°C between 20o and 30o C can double or even triple respiration rates.

The oxygen liberated by green plants during photosynthesis comes from

Which photosynthetic pigment is a precursor of vitamin A?

Cytochromes are the principal acceptor molecules in an electron transport chain.

Oxidation is the

The carbohydrate produced through photosynthesis is converted to other substances through the process of assimilation.

The citric acid cycle takes place in the ________.

Several antenna pigments function in photosynthesis. Which is found in flowering (higher) plants?

Organisms that cannot use atmospheric oxygen are called anaerobic organisms.

Glycolysis takes place in the

The citric acid cycle ________.

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.

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 Kingdom Bacteria, Domain Kingdom Archaea, 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

A temperature rise of 10°C between 20^o and 30^oC can double or even triple respiration rates.