Evolutionary Biology MCQs
Evolutionary Biology MCQs
Answer these Evolutionary Biology MCQs and assess your grip on the subject of Evolutionary Biology. Scroll below and get started!
1: A population must have ______ for natural selection to occur.
A. Abundant resources
B. A stable environment
C. Many individuals
D. Inheritable variation
2: A population of organisms will not evolve if _____.
A. The environment is changing at a relatively slow rate
B. The population size is large
C. The population lives in a habitat without competing species present
D. All individual variation is due only to environmental factors
3: Evidence of the endosymbiotic theory was found in the _____
A. Chloroplasts
B. Mitochondria
C. Both
D. Nucleus
4: If free phospholipids were swirled into water, they would ____.
A. Form pairs
B. Form spheres with the phosphate-containing heads facing each other
C. Dissolve
D. Form a lipid bilayer sheet, with the hydrophobic tails facing each other
E. Form a lipid bilayer sheet, with the phosphate-containing facing each other
5: The theory of evolution through natural selection is considered a scientific theory because _____.
A. It is broad enough in scope to explain many observations
B. It is supported by a massive body of evidence from many disciplines
C. It is general enough to provide many testable hypotheses
D. All of these
6: Unequal reproductive success ______.
A. Can lead to natural selection
B. Increases
C. Both of these
D. None of these
7: The theory of modern synthesis states that evolution involves changes in a population's _____.
A. Behavior
B. Environment
C. Gene pool
8: Varieties of staphylococcus aureus that are resistant to the drug methicillin _____.
A. Developed in response to the use of methicillin
B. Already existed in the population before methicillin was developed
C. Were strongly selected for as methicillin became widely used to treat bacterial infections
D. All answers are correct
9: With ____ selection(s), the allele frequency will shift in a consistent direction.
A. Directional
B. Undirectional
C. Both of these
D. None of these
10: The planet is currently facing its _____ mass extinction event.
A. 6th
B. 7th
C. 8th
D. 9th
11: According to the endosymbiosis theory _______ were engulfed by larger eukaryotic cells.
A. Golgi apparatus
B. Mitochondria
C. Lysosomes
D. Ribosomes
12: Natural selection acts on ________, and ________ evolve.
A. Individuals; populations
B. Extinction; populations
C. Island; individuals
D. None of these
13: In one sense, microevolution is _______________ and macroevolution is _______________.
A. Punctuated; random
B. Gradual; punctuated
C. Process; result
D. Result; process
E. Adaptive; innovative
14: The branch of biology that explains both the diversity and the unity of life is ______.
A. Evolution
B. Microbiology
C. Taxonomy
D. Genetics
15: The Galápagos Islands are cooled by the _____.
A. Equatorial Countercurrent
B. Humboldt Current
C. Monsoon Drift
D. Gulf Stream
E. Kuroshio Current
16: The greatest number of endemic species is expected in environments that are _____.
A. Easily reached and ecologically diverse
B. Isolated and show little ecological diversity
C. Isolated and ecologically diverse
D. Easily reached and show little ecological diversity
17: A requirement of cladistics is that a grouping must include ________.
A. Change in allele frequency in a population
B. A common ancestor and all its descendants
C. Changes in genes within a population over time
D. Genetic dift, natural slection, mutations
18: Examine the evolutionary tree below. this tree tells us that the amnion is found in ______.
A. Amphibians only birds only
B. Mammals, lizards, and snakes only
C. Lungfishes and amphibians
D. Mammals, lizards, snakes, crocodiles, and birds
19: All the following are true of using solar photocells, except ________.
A. Many new "green collar" jobs being created by their increasing use
B. They are strongly encouraged in the United States by tax incentives and large development investment
C. With continued production, manufacturing costs of solar photocells are dropping
D. They have a very low carbon footprint
E. They are great for decentralized power production, away from power plants and grids
20: According to the theory of _____, todays organisms evolved from past organisms.
A. Common descent
B. Popular descent
C. Common DNA
D. Popular DNA
21: Fossilized stromatolites __________.
A. Resemble structures formed by bacterial communities that are found today in some warm, shallow, salty bays
B. All date from 2.7 billion years ago
C. Formed around deep-sea vents
D. Provide evidence that plants moved onto land in the company of fungi around 500 million years ago
E. Contain the first undisputed fossils of eukaryotes and date from 2.1 billion years ago
22: Lock (1998) argues that menopause __________.
A. Post-menopausal
B. Maximum parsimony
C. Police patrol oversight.
D. Genetic drift
23: Comparative biochemistry is the study of similarities and differences in _______ among organisms.
A. Development
B. Homologous structures
C. DNA sequences
D. Vestigial structures
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Evolutionary Biology MCQs
