Science MCQs Question

Quiz 1

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Part 1 of 5 - Part 1: Text Material       36.0 Points

Question 1 of 33 3.0 Points

Which type of science seeks to use science to solver real-world problems?

  1. natural
  2. applied
  3. basic
  4. empirical

Feedback:Great.

Question 2 of 33 3.0 Points

What is adaptation due to?

  1. a consequence of evolution by natural selection
  2. response to touching a thorn on a plant
  3. a change in eating habits due to health issues
  4. altering reproduction from single to multi-cell

Feedback:All living organisms share several key characteristics that define life; adaptation is one of them. For more information, see properties of life in Chapter 1.

Question 3 of 33 3.0 Points

What is the term for an organisms' ability to maintain constant internal conditions even when environmental conditions change?

  1. Homeostasis
  2. Centered
  3. Equality
  4. Equilibrium

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Question 4 of 33 3.0 Points

Which statement would be a hypothesis using the scientific method?

  1. I turn on my sprinklers.
  2. Why isn’t my grass growing?
  3. My grass is not growing.
  4. If my sprinklers are not working, then my flowers will also die.
  5. There must be something wrong with my sprinkler.

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Question 5 of 33 3.0 Points

What is the main reason offspring will belong to the same species as the parents?

  1. They share the same habitat.
  2. They share the same environment.
  3. They share the same food.
  4. They share the same genes.

Feedback:Great.

Question 6 of 33 3.0 Points

Which scientific name is written in the proper format?

Homo sapiens

Homo Sapiens

Homo Sapiens

Homo sapiens

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Question 7 of 33 3.0 Points

What is the correct order from highest level to lowest level of taxonomic hierarchy?

  1. Family, order, genus, species
  2. Species, genus, family, order
  3. Order, family, genus, species
  4. Genus, species, order, family

Feedback:Great.

Question 8 of 33 3.0 Points

What is the first step in the scientific process?

  1. A. Observation
  2. Hypothesis formation
  3. Data collection
  4. Prediction

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Question 9 of 33 3.0 Points

What process do scientists use as a way to perform research with defined steps that include experiments and careful observation?

  1. The scientific method
  2. The right hypothesis
  3. A journal article
  4. A clean lab bench

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Question 10 of 33 3.0 Points

Which is a single cell that lacks membrane bound organelles?

  1. Eukaryote
  2. Prokaryote
  3. Nucleolus
  4. Ribosomes

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Question 11 of 33 3.0 Points

What is an example of a response to stimuli in a living organism?

  1. A bacteria taking up nutrients from the soil
  2. A bear hibernating in the winter
  3. A plant bending towards the sun
  4. A fungi crawling away from a person

Feedback:Great.

Question 12 of 33 3.0 Points

Which type of science seeks to expand knowledge regardless of the short-term application of that knowledge?

  1. empirical
  2. basic
  3. applied
  4. natural

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Part 2 of 5 - Part 1: Text Material - B 36.0 Points

Question 13 of 33 3.0 Points

When does allopatric speciation occur?

  1. when individual migrate from one population to another
  2. when mutation increases the number of offspring.
  3. when populations are geographically separated and diverge.
  4. when a parent species becomes two species in one location.

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Question 14 of 33 3.0 Points

What is an example of gene flow?

  1. A. Purple alleles are introduced into population by migration.
  2. In a population flowers that carry purple alleles are pollinated more often.
  3. Purple alleles result in allopatric speciation.
  4. A new purple allele arises in the population by mutation.

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Question 15 of 33 3.0 Points

Which of the following is correct?

  1. Evolution is widely accepted based on scientific data and evidence.
  2. Evolution is a just a theory that has little evidence to support it
  3. Since evolution occurred in the past it cannot be studied scientifically.
  4. One important fact of evolution is that organisms evolve on purpose.

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Question 16 of 33 3.0 Points

What does the famous quote from Theodosius Dobzhansky “Nothing makes sense in biology except in the light of evolution”?

  1. This quote means that the thermodynamic principles that govern light are important to how organisms have diversified over time.
  2. This quote means that many questions about evolution are still being answered so we should seek to understand those first.
  3. This quote means that all other questions in biology are tied together by the diversification over time from a common ancestor.
  4. This quote means that since every species eventually goes extinct we must try to understand biology before this happens.

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Question 17 of 33 3.0 Points

Which of the following is accurate about mutation?

  1. Mutation alone is a strong mechanism of evolution.
  2. Mutation results from bottleneck events.
  3. Mutation causes gene flow between populations.
  4. Mutation is the ultimate source of novel variation.

Feedback:Although there are many processes that can change allele frequencies in a population, only mutation can result in new variation. Read more in Chapter 11.

Question 18 of 33 3.0 Points

Which situation can result in genetic drift?

  1. bottleneck effect
  2. butterfly effect
  3. convergent evolution
  4. rapid adaptation

Feedback:Natural disasters, events, or catastrophes can result in genetic drift. Read more in Chapter 11.

Question 19 of 33 3.0 Points

A classic scientific study showed that crayfish on one side of the isthmus of Panama were more closely related to other species on the other side of the isthmus than to each other. The most likely explanation for this result is:

  1. vicariance
  2. dispersal
  3. gene flow
  4. mutation

Feedback:The most likely explanation is that a several separation crayfish species were separated by the formation of the isthmus and the then separated populations diverged. Read more in Chapter 11.

Question 20 of 33 3.0 Points

A population of pocket mice has two coat colors: black and brown. There are more black mice on lava rocks where there are hawk predators. This is an example of:

  1. A. Natural selection
  2. Mutation
  3. Macroevolution
  4. Genetic drift

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Question 21 of 33 3.0 Points

What is one of the three principles that results in natural selection?

  1. Individuals in a population have the same ability to survive and reproduce.
  2. Characteristics are inherited from parent to offspring.
  3. Inheritance of acquired characteristics creates a strong evolutionary force.
  4. Resources are unlimited and arise from the endless supply of energy from the sun.

Feedback:Inheritance of characteristics that increase survival and/or reproduction in an environment with limited resources results in natural selection. Read more in Chapter 11.

Question 22 of 33 3.0 Points

Which is an example of genetic drift?

  1. Ten butterflies that are migrating get swept off course and start a new island population.
  2. A bee pollinates purple or yellow orchids dependent on the frequency of the flower color in the population.
  3. Snakes on an island that are unbanded survive better than banded snakes because they avoid predation.
  4. Finches with large beaks survive and reproduce more after a drought.

Feedback:Great job.

Question 23 of 33 3.0 Points

What are the four evolutionary forces that would disrupt population Hardy-Weinberg equilibrium?

  1. migration, mutation, genetic drift, and natural selection
  2. sexual selection, natural selection, competition, and convergence
  3. behavior, non-assortative mating, divergence, and equilibrium
  4. photosynthesis, cellular respiration, behavior, and mutation

Feedback:Great job.

Question 24 of 33 3.0 Points

What is microevolution?

  1. the change that gives rise to new species.
  2. due to detrimental effects on fitness.
  3. the field of study which examine allele frequencies.
  4. the change in allele frequency in a population.

Feedback:Great job.

Part 3 of 5 - Part 2: Lecture    12.0 Points

Question 25 of 33 3.0 Points

Currently, scientists classify all living organisms into three domains of life EXCEPT which?

  1. Bacteria
  2. Mammalia
  3. Archaea
  4. Eukarya

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Question 26 of 33 3.0 Points

A molecular biologist notices something different in the genetic profile of an individual, performs careful research, and thinks he discovers a new gene responsible for high blood pressure in humans. The last step is an example of what part of the scientific method?

  1. Observation
  2. Hypothesis
  3. Question
  4. Conclusion
  5. Experiment

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Question 27 of 33 3.0 Points

It is important to understand issues of the modern world but separating what in current literature?

  1. Interesting articles and boring articles
  2. News articles and social media
  3. Television shows and magic
  4. Valid science and pseudoscience

Feedback:Great job.

Question 28 of 33 3.0 Points

Malaria acts as a natural selective agent so that people with what disorder have a survival advantage?

  1. Cystic Fibrosis
  2. Down Syndrome
  3. Sickle Cell Anemia
  4. Thalassemia
  5. Fragile X Syndrome
  6. Hemophilia

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Part 4 of 5 - Part 3: Lab          12.0 Points

Question 29 of 33 3.0 Points

Science relies on all of the following EXCEPT __________.

  1. Analysis
  2. Data
  3. Bias
  4. Facts
  5. Logic

Feedback:Correct! The scientific method relies on fact-based, observable and objective measurements, data and interpretation. Review the various components of “science” from the Week 1 Lab ELF Lesson.

Question 30 of 33 3.0 Points

Which of the following should be avoided in the lab environment?

  1. Using a fume hood
  2. Wearing closed-in shoes
  3. Referring to the MSDS
  4. Using appropriate waste containers
  5. Pipetting by mouth

Feedback:Correct! It is important to follow all lab safety rules to avoid accidents and injuries. .

Question 31 of 33 3.0 Points

Which of the following is considered proper lab attire?

  1. Baggy clothing
  2. Hair down
  3. Open-toed shoes
  4. Tank tops
  5. Protective eyewear

Feedback:Correct! Proper lab attire should include means to protect your skin and eyes, as well as prevent any unnecessary injuries.

Question 32 of 33 3.0 Points

According to this week’s Lesson, which of the following topics did the Pew Research Center report discrepancies in opinion between the general public and scientists?

  1. Stem cells
  2. Climate Change
  3. Evolution
  4. In vitro fertilization
  5. Human genomics

Feedback:For instance, the public’s opinion is skewed from that of the scientific community with regards to genetically altered foods and nuclear power. Review the public opinion section located in the Week 1 Lab ELF Lesson.

Part 5 of 5 - Random draw from 180 - 1 Question 4 pts        4.0 Points

Question 33 of 33 4.0 Points

What is a good basic definition of biology?

  1. The science that studies death.
  2. The science that studies rocks.
  3. The science that studies art.
  4. The science that studies chemicals.
  5. The science that studies life.

Feedback:Great.

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