Question 1

The shorter the wavelength of visible light,the ________.

Accepted Answer

A) less energy absorbed by photosynthetic pigments 
B) redder the color 
C) more photons it contains 
D) greater the energy 
A) less energy absorbed by photosynthetic pigments 
B) redder the color 
C) more photons it contains 
D) greater the energy D

Question 2

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. Density of stomata on leaves
Leaf size
Carbohydrate storage

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 C

Question 3

The light reactions of photosynthesis take place ________.

Accepted Answer

A) in the stroma 
B) in the mitochondria 
C) in the thylakoid membrane 
D) in the cytosol 
A) in the stroma 
B) in the mitochondria 
C) in the thylakoid membrane 
D) in the cytosol C

Question 4

Some plant species require shaded conditions while other plant species require bright sunlight.Shade tolerance is best related to which of these characteristics?

Accepted Answer

A) Different species of plants have different ratios of pigment molecules that utilize different wavelengths of light. 
B) Plant leaves without a protective coating are subject to sunburn. 
C) Some species of plants are able to produce sugar without ever having been exposed to sunlight. 
D) Some species of plants are consumers and do not need sunlight. 
A) Different species of plants have different ratios of pigment molecules that utilize different wavelengths of light. 
B) Plant leaves without a protective coating are subject to sunburn. 
C) Some species of plants are able to produce sugar without ever having been exposed to sunlight. 
D) Some species of plants are consumers and do not need sunlight.

Question 5

The energy of wavelengths that appear ________ is LEAST useful to photosynthesis.

Accepted Answer

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

Question 6

Refer to the accompanying figure.Which of the following is TRUE regarding the behavior of a chlorophyll molecule as it absorbs a photon?

Accepted Answer

A) An electron goes from the excited state to the ground state. 
B) Light is released. 
C) The energy of a photon raises an electron to the excited state. 
D) ATP is broken down. 
A) An electron goes from the excited state to the ground state. 
B) Light is released. 
C) The energy of a photon raises an electron to the excited state. 
D) ATP is broken down.

Question 7

Which of the following is a way that a molecule releases energy gained by absorption of a photon?

Accepted Answer

A) heat 
B) fluorescence 
C) light 
D) all of the above 
A) heat 
B) fluorescence 
C) light 
D) all of the above

Question 8

Please refer to the following art to answer the following questions.
  
-The Calvin cycle is sometimes called the "dark reactions." Could it take place if a plant were grown in the dark continuously?

Accepted Answer

A) No,because plants cannot take in CO₂ without sunlight. 
B) No,because sunlight is needed to split water to provide NADH. 
C) Yes,because taking in carbon dioxide,the only outside input to the Calvin cycle,does not need sunlight. 
D) Yes,because plants have stored materials in their roots which can provide what the Calvin cycle needs. 
A) No,because plants cannot take in CO₂ without sunlight. 
B) No,because sunlight is needed to split water to provide NADH. 
C) Yes,because taking in carbon dioxide,the only outside input to the Calvin cycle,does not need sunlight. 
D) Yes,because plants have stored materials in their roots which can provide what the Calvin cycle needs.

Question 9

If you provided your shade-tolerant plants with their preferred wavelength of light,but only minimal amounts of water,which of the following would you expect to occur?

Accepted Answer

A) increased plant growth 
B) increased amounts of oxygen released by the plants 
C) decreased amounts of ATP being produced by the plants 
D) increased growth of the plants' leaves 
A) increased plant growth 
B) increased amounts of oxygen released by the plants 
C) decreased amounts of ATP being produced by the plants 
D) increased growth of the plants' leaves

Question 10

The Calvin cycle makes direct use of ________ to make ________.

Accepted Answer

A) light energy and CO₂...sugar 
B) CO₂,ATP,and NADPH...sugar and O₂ 
C) light energy,CO₂,and water...sugar and O₂ 
D) CO₂,ATP,and NADPH...sugar 
A) light energy and CO₂...sugar 
B) CO₂,ATP,and NADPH...sugar and O₂ 
C) light energy,CO₂,and water...sugar and O₂ 
D) CO₂,ATP,and NADPH...sugar

Question 11

Which of the following equations best summarizes photosynthesis?

Accepted Answer

A) 6 CO₂ + 6 H₂O + 6 O₂ → C₆H₁₂O₆ 
B) 6 CO₂ + 6 H₂O → C₆H₁₂O₆ + 6 O₂ 
C) 6 CO₂ + 6 O₂ → C₆H₁₂O₆ + 6 H₂O 
D) C₆H₁₂O₆ + 6 O₂ → 6 CO₂ + 6 H₂O 
A) 6 CO₂ + 6 H₂O + 6 O₂ → C₆H₁₂O₆ 
B) 6 CO₂ + 6 H₂O → C₆H₁₂O₆ + 6 O₂ 
C) 6 CO₂ + 6 O₂ → C₆H₁₂O₆ + 6 H₂O 
D) C₆H₁₂O₆ + 6 O₂ → 6 CO₂ + 6 H₂O

Question 12

What are grana?

Accepted Answer

A) thick fluids inside chloroplasts 
B) convolutions of the inner chloroplast membrane 
C) stacks of membranous sacs 
D) pigments found in chloroplasts 
A) thick fluids inside chloroplasts 
B) convolutions of the inner chloroplast membrane 
C) stacks of membranous sacs 
D) pigments found in chloroplasts

Question 13

What name is given to a discrete packet of light?

Accepted Answer

A) phaser 
B) wavelength 
C) photon 
D) quantum 
A) phaser 
B) wavelength 
C) photon 
D) quantum

Question 14

Within the inner membrane of a chloroplast,interconnected sacs of membrane called ________ are suspended in a thick fluid called the ________.

Accepted Answer

A) chlorophyll...thylakoid 
B) thylakoids...grana 
C) thylakoids...stroma 
D) grana...thylakoid 
A) chlorophyll...thylakoid 
B) thylakoids...grana 
C) thylakoids...stroma 
D) grana...thylakoid

Question 15

Scientists are working to create a better biofuel factory through which of the following processes?

Accepted Answer

A) increasing the rate at which certain algae reproduce 
B) developing strains of algae that can clean up oil spills 
C) increasing the genetic diversity of groups of algae 
D) restricting hydrocarbon production 
A) increasing the rate at which certain algae reproduce 
B) developing strains of algae that can clean up oil spills 
C) increasing the genetic diversity of groups of algae 
D) restricting hydrocarbon production

Question 16

Refer to the accompanying figure.Plant cells that contain the organelle responsible for photosynthesis are concentrated in cells of the ________.

Accepted Answer

A) roots 
B) leaves 
C) stomata 
D) grana 
A) roots 
B) leaves 
C) stomata 
D) grana

Question 17

Which of the following is an autotroph?

Accepted Answer

A) human 
B) mushroom 
C) pine tree 
D) fish 
A) human 
B) mushroom 
C) pine tree 
D) fish

Question 18

________ is the source of the oxygen gas released by a photosystem.

Accepted Answer

A) H₂O 
B) Chlorophyll a 
C) CO₂ 
D) C₆H₁₂O₆ 
A) H₂O 
B) Chlorophyll a 
C) CO₂ 
D) C₆H₁₂O₆

Question 19

When a molecule absorbs a photon,one of its electrons is raised to the ________ state.

Accepted Answer

A) energetic 
B) quantum 
C) positive 
D) excited 
A) energetic 
B) quantum 
C) positive 
D) excited

Question 20

Please refer to the following art to answer the following questions.
  
-Which of the following BEST describes the direct mechanism of ATP production during photosynthesis?

Accepted Answer

A) use of the energy generated as hydrogen ions (H⁺)move up a proton gradient; this energy is used to make ATP 
B) use of the energy released as excited electrons are passed from one molecule to another in the electron transport system; the energy is converted to the chemical bond energy of ATP 
C) use of the energy stored in excited electrons; as the electrons move from the excited state to the ground state,the energy released is converted to the energy stored in the third phosphate bond in ATP 
D) use of the energy stored in hydrogen ion (H⁺)gradients; the potential energy of the proton gradient is released as the protons move down their gradient through special membrane protein channels; this energy is converted to chemical bond energy in the ATP molecule 
A) use of the energy generated as hydrogen ions (H⁺)move up a proton gradient; this energy is used to make ATP 
B) use of the energy released as excited electrons are passed from one molecule to another in the electron transport system; the energy is converted to the chemical bond energy of ATP 
C) use of the energy stored in excited electrons; as the electrons move from the excited state to the ground state,the energy released is converted to the energy stored in the third phosphate bond in ATP 
D) use of the energy stored in hydrogen ion (H⁺)gradients; the potential energy of the proton gradient is released as the protons move down their gradient through special membrane protein channels; this energy is converted to chemical bond energy in the ATP molecule

Exam 7: Photosynthesis: Using Light to Make Food

The shorter the wavelength of visible light,the ________.

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. Density of stomata on leaves Leaf size Carbohydrate storage

The light reactions of photosynthesis take place ________.

Some plant species require shaded conditions while other plant species require bright sunlight.Shade tolerance is best related to which of these characteristics?

The energy of wavelengths that appear ________ is LEAST useful to photosynthesis.

Refer to the accompanying figure.Which of the following is TRUE regarding the behavior of a chlorophyll molecule as it absorbs a photon?

Which of the following is a way that a molecule releases energy gained by absorption of a photon?

Please refer to the following art to answer the following questions. -The Calvin cycle is sometimes called the "dark reactions." Could it take place if a plant were grown in the dark continuously?

If you provided your shade-tolerant plants with their preferred wavelength of light,but only minimal amounts of water,which of the following would you expect to occur?

The Calvin cycle makes direct use of ________ to make ________.

Which of the following equations best summarizes photosynthesis?

What are grana?

What name is given to a discrete packet of light?

Within the inner membrane of a chloroplast,interconnected sacs of membrane called ________ are suspended in a thick fluid called the ________.

Scientists are working to create a better biofuel factory through which of the following processes?

Refer to the accompanying figure.Plant cells that contain the organelle responsible for photosynthesis are concentrated in cells of the ________.

Which of the following is an autotroph?

________ is the source of the oxygen gas released by a photosystem.

When a molecule absorbs a photon,one of its electrons is raised to the ________ state.

Please refer to the following art to answer the following questions. -Which of the following BEST describes the direct mechanism of ATP production during photosynthesis?

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

The Calvin cycle makes direct use of to make .

Within the inner membrane of a chloroplast,interconnected sacs of membrane called are suspended in a thick fluid called the .