Practice Quiz

IB Biology Exam Prep - Question List

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131.
The existence of which of the following situations in a natural population would violate the assumptions of a Hardy-Weinberg equilibrium condition?
  1. Variable environment conditions.
  2. Sexual selection.
  3. High level of phenotypic diversity.
  4. Large population size.
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132.
A plant species that is widely distributed on a continent is separated into an eastern and a western population during an ice age. By the time the glaciers retreat, the two populations are morphologically distinct from each other. This is an example of the effect of:
  1. Character displacement.
  2. Punctuated equilibrium.
  3. Adaptive radiation.
  4. Geographical isolation.
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133.
Shifting from the five-kingdom taxonomic scheme to the three-domain scheme by biologists included the:
  1. Splitting of the prokaryote kingdom into two prokaryote domains.
  2. Merging of the prokaryote kingdom with the protista into a domain.
  3. Separating of the autotroph kingdom into two different domains.
  4. Grouping of unicellular organisms in different kingdoms into one domain.
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134.
The conclusion that fungi are more closely related to animals than to green plants is best supported by evidence based on analysis of:
  1. Modes of nutrition.
  2. Fossil records.
  3. Molecular systematics.
  4. Phenetic relationships.
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135.
If it is to have taxonomic value, the number of spots on a beetle's wing covers must be:
  1. Adaptive.
  2. Unique to the species.
  3. Used in a dichotomous key.
  4. Heritable.
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