Question 1

Please refer to the following art to answer the following questions.
  
-If the interior of the thylakoid were not a sealed compartment ________.

Accepted Answer

A) There would be no location for the electron transport chain 
B) Light would not be able to reach the photosystems 
C) Water could not be split 
D) The proton gradient could not be maintained 
A) There would be no location for the electron transport chain 
B) Light would not be able to reach the photosystems 
C) Water could not be split 
D) The proton gradient could not be maintained

Question 2

Which of the following is found in both cellular respiration and in the light reactions of photosynthesis?

Accepted Answer

A) citric acid cycle 
B) glycolysis 
C) Calvin cycle 
D) electron transport chain 
A) citric acid cycle 
B) glycolysis 
C) Calvin cycle 
D) electron transport chain

Question 3

Please refer to the following art to answer the following questions.
  
-How many times must the Calvin cycle turn for the plant cell to be able to produce one molecule of glucose?

Accepted Answer

A) one 
B) two 
C) three 
D) six 
A) one 
B) two 
C) three 
D) six

Question 4

The light reactions are generally presented in zig-zag patterns,as shown in the accompanying figure.What is the significance of the primary electron receptor shown at position 2 being slightly higher than the primary electron receptor shown at position 3?

Accepted Answer

A) The electron that has been accepted gains energy as it leaves the primary electron receptor at 2 and heads to the primary electron receptor at position 3. 
B) The primary electron receptor at 2 has slightly less energy than the primary electron receptor at position 3. 
C) The primary electron receptor at position 2 comes before the primary electron receptor at position 3. 
D) Since electrons have given off energy in the electron transport chain,they can be boosted higher by the second photosystem. Answer B 
A) The electron that has been accepted gains energy as it leaves the primary electron receptor at 2 and heads to the primary electron receptor at position 3. 
B) The primary electron receptor at 2 has slightly less energy than the primary electron receptor at position 3. 
C) The primary electron receptor at position 2 comes before the primary electron receptor at position 3. 
D) Since electrons have given off energy in the electron transport chain,they can be boosted higher by the second photosystem. Answer B

Question 5

What name is given to the membranous sacs found within a chloroplast?

Accepted Answer

A) stroma 
B) mitochondria 
C) thylakoids 
D) vesicles 
A) stroma 
B) mitochondria 
C) thylakoids 
D) vesicles

Question 6

In photosynthesis,an H⁺ ion gradient forms across the ________.

Accepted Answer

A) thylakoid membrane 
B) outer chloroplast membrane 
C) endomembrane 
D) inner chloroplast membrane 
A) thylakoid membrane 
B) outer chloroplast membrane 
C) endomembrane 
D) inner chloroplast membrane

Question 7

What is one reason why plants have accessory pigment molecules,like chlorophyll b and carotenoids?

Accepted Answer

A) to reflect more energy 
B) to absorb energy in parts of the electromagnetic spectrum that chlorophyll a cannot 
C) to give them different colors 
D) because plants cannot make enough chlorophyll a for all of their energy needs 
A) to reflect more energy 
B) to absorb energy in parts of the electromagnetic spectrum that chlorophyll a cannot 
C) to give them different colors 
D) because plants cannot make enough chlorophyll a for all of their energy needs

Question 8

If a plant appears blue to us,what wavelength of light is being reflected?

Accepted Answer

A) blue 
B) green 
C) red 
D) yellow 
A) blue 
B) green 
C) red 
D) yellow

Question 9

Please refer to the following art to answer the following questions.
  
-The energy in the proton gradient above is ________.

Accepted Answer

A) potential energy 
B) sunlight light energy 
C) sugar energy 
D) heat energy 
A) potential energy 
B) sunlight light energy 
C) sugar energy 
D) heat energy

Question 10

Please refer to the following art to answer the following questions.
  
-The first step of the Calvin cycle is the incorporation of ________ into ________.

Accepted Answer

A) O₂...G3P 
B) RuBP...O₂ 
C) CO₂...RuBP 
D) G3P...RuBP 
A) O₂...G3P 
B) RuBP...O₂ 
C) CO₂...RuBP 
D) G3P...RuBP

Question 11

The Calvin cycle requires ________ and ________ from the light reactions in order to operate.

Accepted Answer

A) glucose...carbon dioxide 
B) electrons...NADH 
C) ATP...NADPH 
D) RuBP...NADP⁺ 
A) glucose...carbon dioxide 
B) electrons...NADH 
C) ATP...NADPH 
D) RuBP...NADP⁺

Question 12

The color that we see when looking at a pigmented object is ________.

Accepted Answer

A) the wavelengths that are absorbed by the pigmented object 
B) the wavelengths that are reflected or transmitted by the pigmented object 
C) the wavelengths that have been raised to an excited state by the pigmented object 
D) the wavelengths that the pigmented object created after interacting with sunlight 
A) the wavelengths that are absorbed by the pigmented object 
B) the wavelengths that are reflected or transmitted by the pigmented object 
C) the wavelengths that have been raised to an excited state by the pigmented object 
D) the wavelengths that the pigmented object created after interacting with sunlight

Question 13

The products of the light reactions of photosynthesis are ________.

Accepted Answer

A) ATP and NADH 
B) ATP and NADPH 
C) RuBP and O₂ 
D) ATP and NADP⁺ 
A) ATP and NADH 
B) ATP and NADPH 
C) RuBP and O₂ 
D) ATP and NADP⁺

Question 14

In photosynthesis,redox reactions ultimately transfer electrons from ________ to ________.

Accepted Answer

A) O₂...CO₂ 
B) C₆H₁₂O₆...O₂ 
C) H₂O...C₆H₁₂O₆ 
D) H₂O...CO₂ 
A) O₂...CO₂ 
B) C₆H₁₂O₆...O₂ 
C) H₂O...C₆H₁₂O₆ 
D) H₂O...CO₂

Question 15

In the accompanying figure,the molecule that makes up the bulk of the mass of the plant comes in mostly ________.

Accepted Answer

A) through the veins,which bring materials from the roots 
B) through the transparent covering of the leaf into the photosynthetic cells 
C) through the stomata 
D) from the roots where they are stored during the night 
A) through the veins,which bring materials from the roots 
B) through the transparent covering of the leaf into the photosynthetic cells 
C) through the stomata 
D) from the roots where they are stored during the night

Question 16

Photosynthesis contributes to plant growth by ________.

Accepted Answer

A) taking in oxygen and making wood 
B) taking in carbon dioxide and making sugars (carbohydrates) 
C) synthesizing carbon dioxide and making cellulose 
D) converting sugar to oxygen and water 
A) taking in oxygen and making wood 
B) taking in carbon dioxide and making sugars (carbohydrates) 
C) synthesizing carbon dioxide and making cellulose 
D) converting sugar to oxygen and water

Question 17

Where are photosystems located?

Accepted Answer

A) chlorophyll 
B) thylakoid membrane 
C) mitochondria 
D) stroma 
A) chlorophyll 
B) thylakoid membrane 
C) mitochondria 
D) stroma

Question 18

Through what structure(s)do plants obtain most of their water?

Accepted Answer

A) roots 
B) interior cells 
C) stomata 
D) leaves 
A) roots 
B) interior cells 
C) stomata 
D) leaves

Question 19

Shade-tolerant plants have many adaptations for living in areas of low light.Predict whether each of the following processes would be high or low in comparison with other plants and choose the answer that is most CORRECT. Net photosynthetic rate
Chlorophyll per area of the leaf
Electron transport chain rate

Accepted Answer

A) high,high,high 
B) high,high low 
C) low,high,high 
D) low,high,low 
A) high,high,high 
B) high,high low 
C) low,high,high 
D) low,high,low

Question 20

Please refer to the following art to answer the following questions.
  
-One of the compounds that is a direct output of the Calvin cycle is ________.

Accepted Answer

A) C₆H₁₂O₆ 
B) NADPH 
C) G3P 
D) ATP 
A) C₆H₁₂O₆ 
B) NADPH 
C) G3P 
D) ATP

Exam 7: Photosynthesis: Using Light to Make Food

Please refer to the following art to answer the following questions. -If the interior of the thylakoid were not a sealed compartment ________.

Which of the following is found in both cellular respiration and in the light reactions of photosynthesis?

Please refer to the following art to answer the following questions. -How many times must the Calvin cycle turn for the plant cell to be able to produce one molecule of glucose?

The light reactions are generally presented in zig-zag patterns,as shown in the accompanying figure.What is the significance of the primary electron receptor shown at position 2 being slightly higher than the primary electron receptor shown at position 3?

What name is given to the membranous sacs found within a chloroplast?

In photosynthesis,an H⁺ ion gradient forms across the ________.

What is one reason why plants have accessory pigment molecules,like chlorophyll b and carotenoids?

If a plant appears blue to us,what wavelength of light is being reflected?

Please refer to the following art to answer the following questions. -The energy in the proton gradient above is ________.

Please refer to the following art to answer the following questions. -The first step of the Calvin cycle is the incorporation of ________ into ________.

The Calvin cycle requires ________ and ________ from the light reactions in order to operate.

The color that we see when looking at a pigmented object is ________.

The products of the light reactions of photosynthesis are ________.

In photosynthesis,redox reactions ultimately transfer electrons from ________ to ________.

In the accompanying figure,the molecule that makes up the bulk of the mass of the plant comes in mostly ________.

Photosynthesis contributes to plant growth by ________.

Where are photosystems located?

Through what structure(s)do plants obtain most of their water?

Please refer to the following art to answer the following questions. -One of the compounds that is a direct output of the Calvin cycle is ________.

Introduction: Biology Today

Essential Chemistry for Biology

The Molecules of Life

A Tour of the Cell

The Working Cell

Cellular Respiration: Obtaining Energy From Food

Cellular Reproduction: Cells From Cells

Patterns of Inheritance

The Structure and Function of Dna

How Genes Are Controlled

DNA Technology

How Populations Evolve

How Biological Diversity Evolves

The Evolution of Microbial Life

The Evolution of Plants and Fungi

The Evolution of Animals

An Introduction to Ecology and the Biosphere

Population Ecology

Communities and Ecosystems

Unifying Concepts of Animal Structure and Function

Nutrition and Digestion

Circulation and Respiration

The Bodys Defenses

Hormones

Reproduction and Development

Nervous,Sensory,and Locomotor Systems

The Life of a Flowering Plant

The Working Plant

Filters

Please refer to the following art to answer the following questions. -The first step of the Calvin cycle is the incorporation of into .

The Calvin cycle requires and from the light reactions in order to operate.

In photosynthesis,redox reactions ultimately transfer electrons from to .