Life On Earth Exam 1
Quiz for Life on Earth class at University of Arizona.
- 1.Components of conceptual, numerical and analog models can include:
- A.
Inputs, outputs, feedbacks and boundary conditions
- B.
Miniature versions of a system
- C.
Natural tests
- D.
Qualitative objectives, flows and fluxes
- E.
Values derived from open systems
- 2.What is a natural collection of interacting components that function together in a quantifiable manner?
- A.
Hypotheses
- B.
Laws
- C.
Models
- D.
Systems
- E.
Theories
- 3.If you took your temperature 10 times and got the exact same result each time, your data is
- A.
Accurate
- B.
A fact
- C.
A theory
- D.
Precise
- E.
True
- 4.Which of the following is a gauge of how well a measurement matches the "true" value?
- A.
Accuracy
- B.
Precision
- C.
Probability
- D.
Repeatability
- E.
Stability
- 5.Atoms are made of the following EXCEPT
- A.
Electrons
- B.
Molecules
- C.
Protons
- D.
Neutrons
- 6.Nucleic Acids are the building blocks of
- A.
Atoms
- B.
DNA
- C.
Fat
- D.
Protein
- E.
Starches
- 7.Elements that have less than or more than the normal number of neutrons are
- A.
Ions
- B.
Isotopes
- C.
Metals
- D.
Nucleic
- E.
Radioactive
- 8.Starches are biopolymers of
- A.
Amino acids
- B.
Fatty acids
- C.
Nucleotides
- D.
Sugars
- E.
Waxes
- 9.A circular ring of DNA found in some bacteria is called a:
- A.
Ligase
- B.
Organelle
- C.
Plasmid
- D.
Restriction enzyme
- E.
RNA
- 10.Methanogens and Extremophiles two examples of:
- A.
Animalia
- B.
Archaea
- C.
Bacteria
- D.
Protista
- E.
Vertibrata
- 11.The chromatids separate & migrate to opposite ends of the cell during what phase of mitosis?
- A.
Anaphase
- B.
Metaphase
- C.
Interphase
- D.
Prophase
- E.
Telophase
- 12.The "genotype" of an organism is its:
- A.
Homozygous dominant
- B.
Genetic make-up
- C.
Punnet Square
- D.
Appearance
- E.
Heterozygous
- 13.The haploid number of human chromosomes is:
- A.
13
- B.
16
- C.
23
- D.
42
- E.
46
- 14.Cell membranes of bacteria and eukaryotes primarily consist of
- A.
Carbohydrate bilayer and proteins
- B.
Carbohydrate bilayer and proteins
- C.
Lipid bilayer and proteins
- D.
Protein bilayer and lipids
- E.
Ribonucleotide bilayer and lipids
- 15.Viruses are like living organisms in that they can by themselves undergo
- A.
Energy transfer
- B.
Evolution
- C.
Locomotion
- D.
Homeostasis
- E.
Reproduction
- 16.What are well-tested and generally accepted patterns in nature
- A.
Hypotheses
- B.
Laws
- C.
Models
- D.
Systems
- E.
Theories
- 17.What are representations of systems that can be use to simulate or test hypothesis about those systems
- A.
Hypotheses
- B.
Laws
- C.
Models
- D.
Systems
- E.
Theories
- 18.An accepted well-tested explanation for how nature works is a/an ___
- A.
Experiment
- B.
Hypothesis
- C.
Law
- D.
Theory
- E.
Observation
- 19.What is the primary goal of science?
- A.
To develop superior technology
- B.
To observe natural phenomena
- C.
To prove the truth
- D.
To publish new ideas
- E.
To understand observable facts
- 20.Proteins are biopolymers of
- A.
Amino acids
- B.
Fatty acids
- C.
Nucleotides
- D.
Sugars
- E.
Waxes
- 21."Sexually reproducing organism that produces live, fertile offspring," is a definition for a
- A.
Eukaryote
- B.
Gamete
- C.
Genus
- D.
Prokaryote
- E.
Species
- 22.In most mammals, females are homozygous for sex chromosomes. In birds, females are
- A.
Haploid
- B.
Homozygous
- C.
Heterozygous
- D.
Incubated at a lower temperature
- E.
Parthenogenic
- 23.Nutrients are the elements and componds that organisms need to live, grow and reproduce. These nutrients cycle through the air, water, soil, rock and living organisms in __________ cycles.
- A.
Biogeochemical
- B.
Astronomical
- C.
Isotopic
- D.
Elemental
- E.
Orbital
- 24.Cells that have organelles are called
- A.
Archaea
- B.
Bacteria
- C.
Eukaryotes
- D.
Prokaryotes
- E.
Viruses
Questions: 10 | Attempts: 13801 | Last updated: Jul 24, 2022
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