Biology A » Summer 2022 » Credit 1 Quiz

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Question #1
Which of the following is a qualitative observation?
A.   The beetle is purple with black spots.
B.   The vervet monkey troop has 17 members.
C.   The elephant weighs 14,652 pounds.
D.   The boiling point of water is 100°C
Question #2
Which of the following is a proposed answer to a scientific question?
A.   Data
B.   Experiment
C.   Observation
D.   Hypothesis
Question #3
An atom consists of three types of smaller particles called:
A.   Positrons, neutrons, and electrons
B.   Protons, neutrons, and positrons
C.   Protons, neutrons, and electrons
D.   Photons, neutrons, and electrons
Question #4
A molecule of water is made up of which elements?
A.   Two atoms of hydrogen and one atom of oxygen
B.   One atom of hydrogen and two atoms of oxygen
C.   Two atoms of hydrogen and two atoms of oxygen
D.   One atom of hydrogen and one atom of oxygen
Question #5
This attraction between a slightly positive hydrogen atom and a slightly negative oxygen atom gives water some of its unique properties.
A.   Ionic Bonding
B.   Hydrogen bonding
C.   Covalent bonding
D.   London dispersion forces
Question #6
What is the approximate age of planet Earth?
A.   13.8 billion years old
B.   4.6 billion years old
C.   1.8 million years old
D.   65 million years old
Question #7
Which of the following time spans of the geologic time scale lasted the longest?
A.   Cenozoic era
B.   Paleozoic era
C.   Precambrian time
D.   Mesozoic era
Question #8
Scientists have found fossils of cyanobacteria that are more than 3.5 billion years old. How did these cyanobacteria help to change Earth’s early atmosphere to allow for the evolution of aerobic organisms?
A.   Cyanobacteria added oxygen to Earth’s atmosphere through the process of photosynthesis.
B.   Cyanobacteria added methane to Earth’s atmosphere through the process of chemosynthesis.
C.   Cyanobacteria added carbon dioxide to Earth’s atmosphere through the process of cellular respiration.
D.   Cyanobacteria added hydrogen to Earth’s atmosphere through the process of nuclear fission.
Question #9
Which era of the geologic time scale is sometimes referred to as the Age of Mammals?
A.   Precambrian
B.   Mesozoic era
C.   Cenozoic era
D.   Paleozoic era

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