Question 1

Chemical indicators that could potentially detect urine in a swimming pool

Accepted Answer

A)  are not used because they are carcinogenic. 
B)  are used only in public pools. 
C)  are not used because they do not exist. 
D)  are not used because they are too expensive. 
A)  are not used because they are carcinogenic. 
B)  are used only in public pools. 
C)  are not used because they do not exist. 
D)  are not used because they are too expensive. A

Question 2

A liquid consisting of a uniform mixture of two or more substances is a

Accepted Answer

A)  solute. 
B)  solution. 
C)  solvent. 
D)  dissolvent. 
A)  solute. 
B)  solution. 
C)  solvent. 
D)  dissolvent. B

Question 3

Which of the following describes inductive reasoning?

Accepted Answer

A)  a predicted explanation for a set of observations 
B)  collecting and analyzing observations to lead to a conclusion 
C)  searching for information to answer specific questions 
D)  The logic flows from general premises to specific results. 
A)  a predicted explanation for a set of observations 
B)  collecting and analyzing observations to lead to a conclusion 
C)  searching for information to answer specific questions 
D)  The logic flows from general premises to specific results. B

Question 4

After reading the paragraph below, answer the question(s) that follow(s).
You have landed on a distant, Earthlike planet and are leading a team of scientists charged with discovering whether life exists there. Realizing how difficult it can be to define life on Earth, let alone on another planet, your team put together a list of criteria that should be met for something to be considered alive.
-Which of the following would represent a good, relatively unbiased list?

Accepted Answer

A)  carbon-based and have ribosomes, DNA, RNA, and proteins 
B)  capable of reproduction, energy interconversions, and response to stimuli 
C)  capable of reproduction, have distinct organelles including mitochondria, and be carbon-based 
D)  multi-cellular, have ribosomes, DNA, RNA, and proteins, and have distinct organelles including mitochondria 
A)  carbon-based and have ribosomes, DNA, RNA, and proteins 
B)  capable of reproduction, energy interconversions, and response to stimuli 
C)  capable of reproduction, have distinct organelles including mitochondria, and be carbon-based 
D)  multi-cellular, have ribosomes, DNA, RNA, and proteins, and have distinct organelles including mitochondria

Question 5

What is the dissolving of CO2 in seawater, which lowers the ocean's pH, called?

Accepted Answer

A)  ocean acidification 
B)  acid precipitation 
C)  CO2 acidification 
D)  salination 
A)  ocean acidification 
B)  acid precipitation 
C)  CO2 acidification 
D)  salination

Question 6

A well designed experiment should use a large number of samples and be

Accepted Answer

A)  controlled, randomized, and blinded. 
B)  uncontrolled, randomized, and blinded. 
C)  controlled, carefully chosen, and blinded. 
D)  uncontrolled, carefully chosen, and blinded. 
A)  controlled, randomized, and blinded. 
B)  uncontrolled, randomized, and blinded. 
C)  controlled, carefully chosen, and blinded. 
D)  uncontrolled, carefully chosen, and blinded.

Question 7

After reading the paragraph below, answer the question(s) that follow(s).
You have landed on a distant, Earthlike planet and are leading a team of scientists charged with discovering whether life exists there. Realizing how difficult it can be to define life on Earth, let alone on another planet, your team put together a list of criteria that should be met for something to be considered alive.
-How long do you think it would take to determine whether an extra-terrestrial potential life form was indeed alive?

Accepted Answer

A)  one day 
B)  one week 
C)  one year 
D)  impossible to determine 
A)  one day 
B)  one week 
C)  one year 
D)  impossible to determine

Question 8

After reading the paragraph below, answer the question that follows.
The ongoing search for extra-terrestrial life on distant planets focuses in part on searching for clues of water, ice, or patterns left in soil by water or ice that may have been present in the past. This approach is based on our understanding of the importance of water for life on Earth.
-Which of the following statements regarding water and life is not correct?

Accepted Answer

A)  Most of the chemical reactions of metabolism take place in aqueous (water) solvents. 
B)  The earliest forms of life on Earth are thought to have evolved in water (oceans). 
C)  Water is an important form of energy storage in biological systems. 
D)  Water molecules are actually substrates or products of some chemical reactions in metabolism. 
A)  Most of the chemical reactions of metabolism take place in aqueous (water) solvents. 
B)  The earliest forms of life on Earth are thought to have evolved in water (oceans). 
C)  Water is an important form of energy storage in biological systems. 
D)  Water molecules are actually substrates or products of some chemical reactions in metabolism.

Chemical indicators that could potentially detect urine in a swimming pool

A liquid consisting of a uniform mixture of two or more substances is a

Which of the following describes inductive reasoning?

What is the dissolving of CO₂ in seawater, which lowers the ocean's pH, called?

A well designed experiment should use a large number of samples and be

Cellular Structure and the Compounds of Cells

Photosynthesis , Cellular Function and How Cells Harvest Chemical Energy

Patterns of Inheritance and the Cellular Basis of Reproduction and Inheritance

Gene Expression, Molecular Genetics, DNA Technology and Genomics

Speciation and Phylogeny

Viruses and Other Acellular Life

Bacteria, Biodiversity of Protists and Fungi

Biodiversity of Invertebrate Animals and Biodiversity of Plants

Nutrition in Plants , Biodiversity of Vertebrate Animals, Plant Structure, Growth, and Reproduction

Control Systems in Plants

Nutrition in Animals , Unifying Concepts of Animal Structure and Function

Gas Exchange,circulation and Waste Removal

Hormones, Endocrine Systems, Animal Reproduction and Development

Sensation, Neurons and Nervous Systems

Animal Immune Systems and Animal Locomotion

The Biosphere and Behavioural Ecology

Community Ecology and Population Ecology

Symbioses

Ecosystem Ecology, Conservation and Sustainability

Filters

Exam 1: Exploring Biology and the Essential Chemistry of Life

Chemical indicators that could potentially detect urine in a swimming pool

A liquid consisting of a uniform mixture of two or more substances is a

Which of the following describes inductive reasoning?

What is the dissolving of CO2 in seawater, which lowers the ocean's pH, called?

A well designed experiment should use a large number of samples and be

Cellular Structure and the Compounds of Cells

Photosynthesis , Cellular Function and How Cells Harvest Chemical Energy

Patterns of Inheritance and the Cellular Basis of Reproduction and Inheritance

Gene Expression, Molecular Genetics, DNA Technology and Genomics

Speciation and Phylogeny

Viruses and Other Acellular Life

Bacteria, Biodiversity of Protists and Fungi

Biodiversity of Invertebrate Animals and Biodiversity of Plants

Nutrition in Plants , Biodiversity of Vertebrate Animals, Plant Structure, Growth, and Reproduction

Control Systems in Plants

Nutrition in Animals , Unifying Concepts of Animal Structure and Function

Gas Exchange,circulation and Waste Removal

Hormones, Endocrine Systems, Animal Reproduction and Development

Sensation, Neurons and Nervous Systems

Animal Immune Systems and Animal Locomotion

The Biosphere and Behavioural Ecology

Community Ecology and Population Ecology

Symbioses

Ecosystem Ecology, Conservation and Sustainability

Filters

What is the dissolving of CO₂ in seawater, which lowers the ocean's pH, called?