Question 1

Which of the following describes a red pigment?

Accepted Answer

A) It can reflect the green wavelength. 
B) It cannot reflect the red wavelength. 
C) It cannot reflect the green wavelength. 
D) It can reflect the red wavelength. 
A) It can reflect the green wavelength. 
B) It cannot reflect the red wavelength. 
C) It cannot reflect the green wavelength. 
D) It can reflect the red wavelength.

Question 2

Do we know why bioluminescence is absent in land plants?

Accepted Answer

A) We do not know this yet. 
B) It is because they live on land. 
C) It is because they do not live in deep oceans. 
D) It is because they are plants. 
A) We do not know this yet. 
B) It is because they live on land. 
C) It is because they do not live in deep oceans. 
D) It is because they are plants.

Question 3

Consider the range of electromagnetic spectrum. What is the relationship between the wavelength of light and the energy of the photons it carries?

Accepted Answer

A) the shorter the wavelength, the lower the energy of the photons it contains 
B) the longer the wavelength, the higher the energy of the photons it contains 
C) the longer the wavelength, the lower the energy of the photons it contains 
D) the more average the wavelength, the higher the energy of the photons it contains 
A) the shorter the wavelength, the lower the energy of the photons it contains 
B) the longer the wavelength, the higher the energy of the photons it contains 
C) the longer the wavelength, the lower the energy of the photons it contains 
D) the more average the wavelength, the higher the energy of the photons it contains

Question 4

When does the electron become excited?

Accepted Answer

A) when the energy of the photon is transferred to it 
B) when the light is not absorbed 
C) when the energy of the photon is taken away from it 
D) when the light does not exist 
A) when the energy of the photon is transferred to it 
B) when the light is not absorbed 
C) when the energy of the photon is taken away from it 
D) when the light does not exist

Question 5

Each rhodopsin consists of a protein called opsin that binds to a single pigment molecule called retinol.

Accepted Answer

A) True 
 B)False

Question 6

Jet lag is a result of the disturbance of your biological clock.

Accepted Answer

A) True 
 B)False

Question 7

Suppose living things are hit with radiation of a shorter wavelength than light. What would happen to the chemical bonds in living things?

Accepted Answer

A) The bonds would be weakened. 
B) The bonds would remain intact. 
C) The bonds would be strengthened. 
D) The bonds would be destroyed. 
A) The bonds would be weakened. 
B) The bonds would remain intact. 
C) The bonds would be strengthened. 
D) The bonds would be destroyed.

Question 8

Suppose that dinoflagellates are NOT bioluminescent. Which of the following would most likely characterize them?

Accepted Answer

A) They will not be able to feed. 
B) They will not be able to reproduce. 
C) They will not be able to scare off potential predators. 
D) They will not be able to expel wastes. 
A) They will not be able to feed. 
B) They will not be able to reproduce. 
C) They will not be able to scare off potential predators. 
D) They will not be able to expel wastes.

Question 9

If a photosystem II complex is under normal light conditions, how often might you expect that it needs to be repaired?

Accepted Answer

A) 10 minutes 
B) 20 minutes 
C) 30 minutes 
D) 60 minutes 
A) 10 minutes 
B) 20 minutes 
C) 30 minutes 
D) 60 minutes

Question 10

Which colours are bees attracted to?

Accepted Answer

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

Question 11

What do tarsiers and giant squids have in common?

Accepted Answer

A) They are both active during daytime as well as at night. 
B) They both live in water. 
C) They are both active during daytime. 
D) They are both nocturnal. 
A) They are both active during daytime as well as at night. 
B) They both live in water. 
C) They are both active during daytime. 
D) They are both nocturnal.

Question 12

Which wavelengths are absorbed by the ozone layer high in the atmosphere?

Accepted Answer

A) visible wavelengths of electromagnetic radiation 
B) longer wavelengths of electromagnetic radiation 
C) any wavelength of electromagnetic radiation 
D) shorter wavelengths of electromagnetic radiation 
A) visible wavelengths of electromagnetic radiation 
B) longer wavelengths of electromagnetic radiation 
C) any wavelength of electromagnetic radiation 
D) shorter wavelengths of electromagnetic radiation

Question 13

How is the eye of a tarsier similar to the eye of a giant squid?

Accepted Answer

A) Both are compound. 
B) Both are simple. 
C) Both are blue. 
D) Both are blind. 
A) Both are compound. 
B) Both are simple. 
C) Both are blue. 
D) Both are blind.

Question 14

Why is light a source of energy?

Accepted Answer

A) It excites an electron within a pigment molecule, which then serves as a source of light energy that can be used for work. 
B) It excites an electron within a pigment molecule, which then serves as a source of heat energy that can be used for work. 
C) It excites an electron within a pigment molecule, which then serves as a source of potential energy that can be used for work. 
D) It excites an electron within a pigment molecule, which then serves as a source of kinetic energy that can be used for work. 
A) It excites an electron within a pigment molecule, which then serves as a source of light energy that can be used for work. 
B) It excites an electron within a pigment molecule, which then serves as a source of heat energy that can be used for work. 
C) It excites an electron within a pigment molecule, which then serves as a source of potential energy that can be used for work. 
D) It excites an electron within a pigment molecule, which then serves as a source of kinetic energy that can be used for work.

Question 15

Which aspect of pigments makes them efficient in capturing light?

Accepted Answer

A) They all share a region where hydrogen atoms are covalently bonded to each other with single bonds. 
B) They all share a region where hydrogen atoms are covalently bonded to each other with alternating single and double bonds. 
C) They all share a region where carbon atoms are covalently bonded to each other with alternating single and double bonds. 
D) They all share a region where carbon atoms are covalently bonded to each other with double bonds. 
A) They all share a region where hydrogen atoms are covalently bonded to each other with single bonds. 
B) They all share a region where hydrogen atoms are covalently bonded to each other with alternating single and double bonds. 
C) They all share a region where carbon atoms are covalently bonded to each other with alternating single and double bonds. 
D) They all share a region where carbon atoms are covalently bonded to each other with double bonds.

Question 16

A person who is of African descent living in Norway cannot suffer from vitamin D deficiency.

Accepted Answer

A) True 
 B)False

Question 17

Suppose that the suprachiasmatic nucleus within the brain is damaged. Which of the following is the most likely to occur?

Accepted Answer

A) The organism would not be able to control its circadian rhythm. 
B) The organism would die. 
C) The organism would not experience any change. 
D) The organism would not be able to move. 
A) The organism would not be able to control its circadian rhythm. 
B) The organism would die. 
C) The organism would not experience any change. 
D) The organism would not be able to move.

Question 18

If a plant has bright flowers, it is very likely that it is attracting animals.

Accepted Answer

A) True 
 B)False

Question 19

When light hits a pigment, how many electrons are excited by a single photon?

Accepted Answer

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

Question 20

What does phototaxis allow the cell to do?

Accepted Answer

A) stay in the optimum light environment 
B) stay in the optimum magnetic environment 
C) stay in the optimum chemical environment 
D) stay in the optimum climate environment 
A) stay in the optimum light environment 
B) stay in the optimum magnetic environment 
C) stay in the optimum chemical environment 
D) stay in the optimum climate environment

Exam 1: Light and Life

Which of the following describes a red pigment?

Do we know why bioluminescence is absent in land plants?

Consider the range of electromagnetic spectrum. What is the relationship between the wavelength of light and the energy of the photons it carries?

When does the electron become excited?

Each rhodopsin consists of a protein called opsin that binds to a single pigment molecule called retinol.

Jet lag is a result of the disturbance of your biological clock.

Suppose living things are hit with radiation of a shorter wavelength than light. What would happen to the chemical bonds in living things?

Suppose that dinoflagellates are NOT bioluminescent. Which of the following would most likely characterize them?

If a photosystem II complex is under normal light conditions, how often might you expect that it needs to be repaired?

Which colours are bees attracted to?

What do tarsiers and giant squids have in common?

Which wavelengths are absorbed by the ozone layer high in the atmosphere?

How is the eye of a tarsier similar to the eye of a giant squid?

Why is light a source of energy?

Which aspect of pigments makes them efficient in capturing light?

A person who is of African descent living in Norway cannot suffer from vitamin D deficiency.

Suppose that the suprachiasmatic nucleus within the brain is damaged. Which of the following is the most likely to occur?

If a plant has bright flowers, it is very likely that it is attracting animals.

When light hits a pigment, how many electrons are excited by a single photon?

What does phototaxis allow the cell to do?

The Cell: an Overview

Defining Life and Its Origins

Energy and Enzymes

Cell Membranes and Signalling

Cellular Respiration

Photosynthesis

Cell Cycles

Genetic Recombination

Mendel, Genes, and Inheritance

Genes, Chromosomes, and Human Genetics

Dna Structure, Replication, and Organization

Gene Structure and Expression

Control of Gene Expression

Dna Technologies

Genomes and Proteomes

Evolution: the Development of the Theory

Microevolution: Changes Within Populations

Species and Macroevolution

Understanding the History of Life on Earth

Humans and Evolution

Bacteria and Archaea

Viruses, Viroids, and Prions: Infectious Biological Particles

Protists

Fungi

Plants

Diversity of Animals 1: Sponges, Radiata, Platyhelminthes, and Protostomes

Diversity of Animals 2: Deuterostomes: Vertebrates and Their Closest Relatives

Population Ecology

Population Interactions and Community Ecology

Ecosystems

Conservation of Biodiversity

Putting Selection to Work

Organization of the Plant Body

Transport in Plants

Reproduction and Development in Flowering Plants

Plant Nutrition

Plant Signals and Responses to the Environment

Introduction to Animal Organization and Physiology

Transport in Animals: the Circulatory System

Reproduction in Animals

Animal Development

Control of Animal Processes: Neural Control

Control of Animal Processes: Neural Control

Control of Animal Processes: Neural Integration

Muscles, Skeletons, and Body Movements

Animal Behaviour

Animal Nutrition

Gas Exchange: the Respiratory System

Regulating the Internal Environment

Defences Against Disease

Conservation and Evolutionary Physiology

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