Question 1

Which natural phenomenon is the most fundamental?

Accepted Answer

A) warmth 
B) sensitivity 
C) sound 
D) light 
A) warmth 
B) sensitivity 
C) sound 
D) light D

Question 2

Why is chlorophyll green in colour?

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. A

Question 3

Which is a difference between eyes and the photosynthetic apparatus of plants and algae?

Accepted Answer

A) The photosynthetic apparatus of plants and algae is particularly susceptible to photo-oxidative damage. 
B) The photosynthetic apparatus of plants and algae is not susceptible to photo-oxidative damage. 
C) Eyes are particularly susceptible to photo-oxidative damage. 
D) Eyes are not susceptible to photo-oxidative damage. 
A) The photosynthetic apparatus of plants and algae is particularly susceptible to photo-oxidative damage. 
B) The photosynthetic apparatus of plants and algae is not susceptible to photo-oxidative damage. 
C) Eyes are particularly susceptible to photo-oxidative damage. 
D) Eyes are not susceptible to photo-oxidative damage. A

Question 4

What is the raw material for photosynthesis?

Accepted Answer

A) sugar and water 
B) sugar and oxygen 
C) carbon dioxide and oxygen 
D) carbon dioxide and water 
A) sugar and water 
B) sugar and oxygen 
C) carbon dioxide and oxygen 
D) carbon dioxide and water

Question 5

Suppose that some marine bacteria that are normally bioluminescent are NOT any more. As a result, what would the bacteria most likely be unable to do?

Accepted Answer

A) They would be unable to scare off potential predators. 
B) They would be unable to feed. 
C) They would be unable to communicate. 
D) They would be unable to reproduce. 
A) They would be unable to scare off potential predators. 
B) They would be unable to feed. 
C) They would be unable to communicate. 
D) They would be unable to reproduce.

Question 6

Suppose there is life on another planet within our galaxy. Which range of wavelengths of the electromagnetic spectrum would most likely be used by the planet's organisms?

Accepted Answer

A) 0-100 nm 
B) 100-200 nm 
C) 200-400 nm 
D) 400-700 nm 
A) 0-100 nm 
B) 100-200 nm 
C) 200-400 nm 
D) 400-700 nm

Question 7

Which of the following play a central role in animal camouflage?

Accepted Answer

A) pattern and simple colour 
B) pattern and behaviour 
C) simple colour and behaviour 
D) simple colour, pattern, and behaviour 
A) pattern and simple colour 
B) pattern and behaviour 
C) simple colour and behaviour 
D) simple colour, pattern, and behaviour

Question 8

In what way are insects, arthropods, and molluscs similar to each other?

Accepted Answer

A) They have a skeleton. 
B) They have eyespots. 
C) They have wings. 
D) They have ocelli. 
A) They have a skeleton. 
B) They have eyespots. 
C) They have wings. 
D) They have ocelli.

Question 9

Why is ultraviolet radiation damaging?

Accepted Answer

A) Because it consists of wavelengths that are longer than visible light, the energy of the photons of ultraviolet light is greater and more damaging to biological molecules. 
B) Because it consists of wavelengths that are shorter than visible light, the energy of the photons of ultraviolet light is greater and more damaging to biological molecules. 
C) Because it consists of wavelengths that are shorter than visible light, the energy of the photons of ultraviolet light is lesser and more damaging to biological molecules. 
D) Because it consists of wavelengths that are shorter than visible light, the energy of the photons of ultraviolet light is lesser and less damaging to biological molecules. 
A) Because it consists of wavelengths that are longer than visible light, the energy of the photons of ultraviolet light is greater and more damaging to biological molecules. 
B) Because it consists of wavelengths that are shorter than visible light, the energy of the photons of ultraviolet light is greater and more damaging to biological molecules. 
C) Because it consists of wavelengths that are shorter than visible light, the energy of the photons of ultraviolet light is lesser and more damaging to biological molecules. 
D) Because it consists of wavelengths that are shorter than visible light, the energy of the photons of ultraviolet light is lesser and less damaging to biological molecules.

Question 10

What is a conjugated system?

Accepted Answer

A) a pigment region where hydrogen atoms are covalently bonded to each other with alternating single and double bonds 
B) a pigment region where oxygen atoms are covalently bonded to each other with alternating single and double bonds 
C) a pigment region where carbon atoms are covalently bonded to each other with alternating single and double bonds 
D) a pigment region where nitrogen atoms are covalently bonded to each other with alternating single and double bonds 
A) a pigment region where hydrogen atoms are covalently bonded to each other with alternating single and double bonds 
B) a pigment region where oxygen atoms are covalently bonded to each other with alternating single and double bonds 
C) a pigment region where carbon atoms are covalently bonded to each other with alternating single and double bonds 
D) a pigment region where nitrogen atoms are covalently bonded to each other with alternating single and double bonds

Question 11

What is the free-running nature of circadian rhythm analogous to?

Accepted Answer

A) a desktop computer 
B) a digital telephone 
C) an old-fashioned wrist watch 
D) a modern calculator 
A) a desktop computer 
B) a digital telephone 
C) an old-fashioned wrist watch 
D) a modern calculator

Question 12

Which of the following makes pollination important?

Accepted Answer

A) It enables recognition of male and female flowers in plants. 
B) It enables the pollinator to feed. 
C) It enables fertilization and reproduction in plants, while the pollinator has no benefits. 
D) It enables fertilization and reproduction in plants, while the pollinator can feed. 
A) It enables recognition of male and female flowers in plants. 
B) It enables the pollinator to feed. 
C) It enables fertilization and reproduction in plants, while the pollinator has no benefits. 
D) It enables fertilization and reproduction in plants, while the pollinator can feed.

Question 13

What is the most common photoreceptor found in nature?

Accepted Answer

A) chlorophyll b 
B) chlorophyll a 
C) rhodopsin 
D) carotene 
A) chlorophyll b 
B) chlorophyll a 
C) rhodopsin 
D) carotene

Question 14

Birds that are brightly coloured have a good diet.

Accepted Answer

A) True 
 B)False

Question 15

In many ways, the eyes of Planaria is much more advanced than the eyespot of Chlamydomonas.

Accepted Answer

A) True 
 B)False

Question 16

Why is chlorophyll green in colour?

Accepted Answer

A) because it can absorb portions of blue light 
B) because it can absorb some red light 
C) because it can absorb green light 
D) because it cannot absorb green light 
A) because it can absorb portions of blue light 
B) because it can absorb some red light 
C) because it can absorb green light 
D) because it cannot absorb green light

Question 17

Which of the following allows energy to be used by living things?

Accepted Answer

A) It cannot cause changes. 
B) It can be reflected. 
C) It has no mass. 
D) It can interact with matter. 
A) It cannot cause changes. 
B) It can be reflected. 
C) It has no mass. 
D) It can interact with matter.

Question 18

Individual pigments do NOT differ in the wavelengths of light they can absorb.

Accepted Answer

A) True 
 B)False

Question 19

What are opsins and what are they a part of?

Accepted Answer

A) membrane lipids that form a complex with a retinal molecule at the centre 
B) membrane proteins that form a complex with a retinal molecule at the centre 
C) retinal molecules that form a complex with membrane proteins at the centre 
D) retinal molecules that form a complex with membrane lipids at the centre 
A) membrane lipids that form a complex with a retinal molecule at the centre 
B) membrane proteins that form a complex with a retinal molecule at the centre 
C) retinal molecules that form a complex with membrane proteins at the centre 
D) retinal molecules that form a complex with membrane lipids at the centre

Question 20

Bioluminescence has been reported in land plants or higher vertebrates.

Accepted Answer

A) True 
 B)False

Exam 1: Light and Life

Which natural phenomenon is the most fundamental?

Why is chlorophyll green in colour?

Which is a difference between eyes and the photosynthetic apparatus of plants and algae?

What is the raw material for photosynthesis?

Suppose that some marine bacteria that are normally bioluminescent are NOT any more. As a result, what would the bacteria most likely be unable to do?

Suppose there is life on another planet within our galaxy. Which range of wavelengths of the electromagnetic spectrum would most likely be used by the planet's organisms?

Which of the following play a central role in animal camouflage?

In what way are insects, arthropods, and molluscs similar to each other?

Why is ultraviolet radiation damaging?

What is a conjugated system?

What is the free-running nature of circadian rhythm analogous to?

Which of the following makes pollination important?

What is the most common photoreceptor found in nature?

Birds that are brightly coloured have a good diet.

In many ways, the eyes of Planaria is much more advanced than the eyespot of Chlamydomonas.

Why is chlorophyll green in colour?

Which of the following allows energy to be used by living things?

Individual pigments do NOT differ in the wavelengths of light they can absorb.

What are opsins and what are they a part of?

Bioluminescence has been reported in land plants or higher vertebrates.

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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