Study and Learn with 1000s of Biology MCQs
Natural Selection MCQs
MCQ# 1: Darwin concluded that biological evolution occurred as a result of _ selection
natural
Artificial
Both of these
None of these
natural
MCQ# 2: _ selection is the theory that in any given generation, some individuals are more likely to survive and reproduce than others
Artificial
natural
Both of these
None of these
natural
MCQ# 3: _ selection occurs when people choose plants or animals and breed them for certain desired characteristics.
Artificial
natural
Both of these
None of these
Artificial
MCQ# 4: _ occurs when environmental factors “choose” which plants or animals will survive and reproduce
Artificial
natural
Both of these
None of these
natural
MCQ# 5: In order for natural selection to occur in a population, which condition/s must be met?
Organisms with the best-suited characteristics for their environment are more likely to survive and reproduce
Offspring must inherit some characteristics from their parents
Those individuals must have different characteristics
Individuals in the population must produce more offspring than can survive
All of these
All of these
MCQ# 6: Natural selection has _ types
1
2
3
4
4
MCQ# 7: Which type of natural selection eliminates extreme or unusual traits
Directional selection
Disruptive selection
Sexual selection
Stabilizing selection
Stabilizing selection
MCQ# 8: In _, Individuals with the most common traits are considered best adapted
Directional selection
Stabilizing selection
Disruptive selection
Sexual selection
Stabilizing selection
MCQ# 9: In _, traits at one end of a spectrum of traits are selected for, whereas traits at the other end of the spectrum are selected against
Directional selection
Stabilizing selection
Disruptive selection
Sexual selection
Directional selection
MCQ# 10: In _, Over generations, the selected traits become common, and the other traits become more and more extreme until they’re eventually phased out.
Directional selection
Stabilizing selection
Disruptive selection
Sexual selection
Directional selection
MCQ# 11: The biological evolution of horses is a good example of?
Stabilizing selection
Disruptive selection
Directional selection
Sexual selection
Directional selection
MCQ# 12: In _, the environment favors extreme or unusual traits and selects against the common traits
Stabilizing selection
Disruptive selection
Directional selection
Sexual selection
Disruptive selection
MCQ# 13: Example of _ is the height of weeds in lawn grass compared with in the wild
Stabilizing selection
Disruptive selection
Directional selection
Sexual selection
Disruptive selection
MCQ# 14: Females increase the fitness of their offspring by choosing males with superior fitness; females are therefore concerned with quality its called?
Stabilizing selection
Disruptive selection
Directional selection
Sexual selection
Sexual selection
