Variation and evolution Quiz

1. 1By definition evolution is:

   1. AChanges in allele and genotype frequencies in a population
   2. BPhenotypic variation in a population
   3. CInbreeding with relatives
   4. DAdaptation of a population to neutral environments
2. 2Evolution acts at the level of the

   1. Acommunity
   2. Bspecies
   3. Cpopulation
   4. Decosystem
   5. Eindividual
3. 3Which statement most accurately describes the process of natural selection?

   1. AHeritable traits that promote reproduction become more frequent in a population over time.
   2. BOnly the strongest survive.
   3. CSurvival of the fittest.
   4. DOrganisms change by random chance over time.
   5. EThe strong eliminate the weak in the race for survival.
4. 4Which of the following agents of evolutionary change results in adaptation?

   1. Anatural selection
   2. Bgene flow
   3. Cgenetic drift
   4. Dall of these
5. 5All traits present in nature are a result of evolution due to natural selection.

   1. AVerdadero
   2. BFalso
6. 6Movement of individuals into a population can result in evolution.

   1. AVerdadero
   2. BFalso
7. 7Natural selection is a completely random process.

   1. AVerdadero
   2. BFalso
8. 8In the Hardy-Weinberg equation, p + q = 1, p and q represent

   1. AFrequency of genotypes in the population
   2. BSpecific combination of alleles in an individual
   3. CAll of these
   4. DFrequency of alleles of a single gene
9. 9Which of the following represents the frequency of heterozygotes in a population that is in Hardy-Weinberg equilibrium?

   1. Ap
   2. B2pq
   3. Cq
   4. Dq2
   5. Ep2
10. 10Hardy-Weinberg equilibrium will not occur in a population in which:

    1. AMutations do not occur
    2. BIndividuals mate at random
    3. CNatural selection does not occur
    4. DIndividuals immigrate or emigrate
    5. ESexual selection does not occur

11. 11Which statement is NOT true about the maintenance of variation in a population?

    1. AOnly phenotypes are acted on by selection, so heterozygotes serve as a reservoir of recessive alleles that may be adaptive in a different environment.
    2. BVariations allow for the presence of conditions such as sickle cell anemia.
    3. CSelection for adaptation to a particular environment ensures that the population will become stronger and more viable under all conditions.
    4. DHeterozygote advantages may lead to selection for the heterozygote above either homozygote.
12. 12Species that evolved more recently will be more advanced and better than their ancestral forms.

    1. AVerdadero
    2. BFalso
13. 13Fossil and genetic evidence strongly support the idea that modern humans

    1. Aindependently arose from three different ancestral Homo species in Africa and Eurasia.
    2. Bderive from Neanderthals that independently evolved the features of modern humans in Europe and Africa.
    3. Call derive from a single African lineage that spread from there into other parts of the world.
    4. Dderive from a hybridization of several African and Eurasian Homo species.
14. 14High concentrations of melanin resulting in darker skin reduces vitamin D production in regions of low UV.

    1. AVerdadero
    2. BFalso
15. 15UV light is used to produce vitamin D, however excessive amounts degrade folate, an essential vitamin. People whose ancestors lived in the tropics have darker skin because:

    1. Adark skin protected vitamin D from degradation
    2. Bdark skin provides protection from folate degradation
    3. Cdark skin allowed increased production of vitamin D
    4. Ddark skin was important for social interactions
    5. Edark skin keeps people warmer
16. 16Scientists use genetics to trace the evolution and migration of humans. How do scientists know which populations are older than others?

    1. AMembers of older populations have identical mitochondrial genomes.
    2. BMembers of older populations have more genetic variability.
    3. CMembers of older populations have more nuclear genes.
    4. DMembers of older populations have more genes in their mitochondrial genomes.
    5. EMembers of older populations have fewer nuclear genes.
17. 17What is the name for the differences between individuals?

    1. AVariation
    2. BMutation
    3. CGenes
18. 18What type of variation is shown by looking at peoples height?

    1. AContinuous
    2. BDiscontinous
19. 19What type of variation is shown by looking at peoples eye colour?

    1. AContinuous
    2. BDiscontinuous
20. 20In what format do we display continuous variation?

    1. ABell Shaped Curve (Line Graph)
    2. BBar Chart
    3. CScatter diagram
21. 21In what format do we display discontinuous variation?

    1. ABell Shaped Curve (Line Graph)
    2. BBar Chart
    3. CScatter Diagram
22. 22What type of reproduction produces genetically different offspring?

    1. ASexual
    2. BAsexual
23. 23What type of reproduction results in clones?

    1. ASexual
    2. BAsexual
24. 24What do we call a change in genes or DNA?

    1. AMutation
    2. BChange
    3. CNatural-Selection
25. 25What is the name of the genetic disease that produces thick mucus that block the bronchioles in the lungs?

    1. ACystic Fibrosis
    2. BCystic hygroma
    3. CPorphyria
26. 26What method is used to insert a normal gene into tissue during gene therapy?

    1. AInhaler
    2. BInjections
    3. CTablets
27. 27What name is given to the principle that species change over time?

    1. AEvolution
    2. BNatural Selection
    3. CMutation
28. 28What is the name of the mechanism by which evolution works

    1. ANatural selection
    2. BMutation
    3. CCircle of life
29. 29Who proposed the theory of natural selection?

    1. ACharles Darwin
    2. BGregor Mendel
    3. CRobert Bunsen
30. 30Other than variation and the principles of inheritance, what needs to be present for natural selection to work?

    1. ACompetition
    2. BFood
    3. CMutation
31. 31What happens to a species if natural selection doesn't work fast enough for them to evolve?

    1. AThey become extinct
    2. BThey mutate
    3. CThey migrate
32. 32What is the name of the poison to which rats have become resistant?

    1. AWarfarin
    2. BBrodifacoum
    3. CDiphacinone
33. 33What can be used to increase mutation rates?

    1. ANatural Selection
    2. BIonising Radiation
    3. CPredators
34. 34How many parents are required for sexual reproduction

    1. AOne
    2. BTwo
35. 35How many parents are required for asexual reproduction?

    1. AOne
    2. BTwo

Descripción

A short quiz on variation and evolution

Autor

Sara Jalilnasab

Idioma

English

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5

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biologyvariation and evolutionvariationevolution

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