Biology Questions

Who did the United States fight in World War II O Japan Germany and Italy O Japan Vietnam and China O Germany Poland and Great Britain O Great Britain France and Germany

What current international organization has its roots in the Yalta Conference O The League of Nations The Red Cross O The United Nations O The Nuremberg military tribunal Re th Que 1 5

General McAuliffe made a heroic stand at the Belgian town of Bastogne to help win the Battle of in which the Germans lost irreplaceable machinery and troops O the Bulge O Berlin O Belgium Bastogne Res Rese this Ques 1 R 5

What was June 6 1944 D Day Day of German surrender O Day Hitler shot himself O Day Allies won Battle of the Bulge

Question 1 Points 1 Which of the following is are the effects of World War II on Americans The government has increased the spending money on defense O Many jobs are created for the people O Spending money on entertainment doubled in four years O All of the choices

Question 9 Points 1 What was the involvement of the United States in World War II O The US was neutral The Americans supported Great Britain The Americans supported Japan All of the choices

Choose the correct answer In 1944 the US drove Japan out of the Marshall Islands New Guinea and the Marianas Africa Suez Canal and Solomon Islands Marshall Islands New Guinea and the Island of Sicily OAfrica Suez Canal and the Marianas and the

Question 10 Points 1 Which country was most affected by the Neutrality Act Soviet Union O France Germany O United States Complete Later Complete

Which of the following statements are TRUE to the Atlantic Charter A Both nations would respect the right of all people to choose their own form of government B They wanted nations not to cooperate on economic matters to ensure a decent standard of living for everyone C The U S and Great Britain believed that nations must abolish the use of force and establish a system of general security D They believed people everywhere should have the right to security and freedom from want and fear OA C and D A B and C OB C and D Reset Reset butt this assess Reset Questions 5 9 5 10

What did the Neutrality Acts of the 1930s do Passed between 1935 and 1937 the Neutrality Acts declared the US policy of maintaining Oneutrality This act when revised in 1939 allowed the US to send ammunitions to the Allies through a cash and carry method O The Neutrality Acts declared that the US will refrain from participating in any war The Neutrality Acts prevented the Soviet Union from involvement in helping the Western powers against Germany O All of the choices 5 Rese this Quest 9 R

Question 6 Points 1 Who said Give us the tools and we will finish the job to the United States Churchill Hitler O Kennedy Mussolini Que 1 5 9

Points 1 Question 5 Why were Japan and Italy able to carry out aggressive territorial policies in the 1930s The League of Nations could not restrict actions that they opposed or enforce rules O World War I made countries reluctant to wage war O Italy and Japan had little opposition O All of the choices

What three major countries formed the Axis Powers O Germany Italy and Japan O United States Britain and France O Germany Italy and the Soviet Union Germany the Soviet Union and Japan

Question 2 Points 2 Which of the following is NOT a factor in how Mussolini and Hitler were able to exert power in Europe Mussolini and Hitler were both effective leaders Mussolini and Hitler faced little opposition for a period of time Mussolini formed alliances with other nations Mussolini and Hitler were both isolationists 5 9 Re Res this Quest 1 R

Choose the correct answer World War II created a new world dominated by O Germany and the Soviet Union O Italy and the United States O the Soviet Union and the United States Germany and the United States Complete Later Complete

1 Create the following below on your graph paper Be sure to include a title and label your x y axis a Bar chart of hours of study 0 2 4 6 8 10 Grade 20 60 70 80 30 100 b Line chart of days of bacteria 1 2 3 4 5 6 4 16 40 80 100 200

If an organism experiences a somatic mutation Oit will not pass the mutation on to its offspring it will pass the mutation on to its offspring O nothing will happen somatic mutations are all silent O a and care true

Nucleotides are composed of all the following components EXCEPT O a phosphate group a five carbon sugar a glucose group Oa nitrogen containing base

A protease is O An An enzyme that degrades DNA An enzyme that synthesizes RNA An enzyme that degrades proteins An enzyme synthesizes proteins

The pyrimidines include O Adenine and Cytosine Adenine and Thymine O Adenine and Guanine O Cytosine and Thymine

Reverse Transcriptase is An RNA dependent DNA polymerase A DNA dependent RNA polymerase An RNA polymerase that uses a DNA template O A DNA dependent DNA polymerase

This organism is used for neural development studies O E coli Drosophila melanogaster O Arabidopsis thaliana Saccharomycos

This is a model plant organism O Arabidopsis thaliana O Mus musculus O Drosophila melanogaster O Caenorhabditis elegans

The genetic material of viruses can be OSSRNA OdsRNA OdsDNA OssDNA All of the above K

All of the following are characteristics of E coli that make it a favorable organism for biotechnology applications except 4 O Fast growth rate Minimal growth requirements It has a clear division between germline and somatic cells in culture Can contain recombinant plasmids

2 Scientists are looking for signs that Mars could have been habitable in the past Think of the things that a planet needs to be habitable With these things in mind what signs of habitability would you look for on Mars

Prepare a short report on a company or organization that was recently involved in an unethical scandal and answer the questions 1 What behavior caused the scandal 2 What pressures if any were on the organization to behave this way 3 How easy desirable would it have been for them to have avoided this behavior

What is the core factor that can induce heritable changes in the genotype frequency of a population mutations in the sexual chromosomes mutations in the somatic chromosomes sexual reproduction natural selection both A and B answers are correct both C and D answers are correct

P n natural selection both A and B answers are correct both C and D answers are correct Question 9 1 point Listen The Hardy Weinberg equilibrium allows to describe the genetics of evolving populations True False

Listen In lake Tanganyaka there is a population of fishes with 2 alleles B and b for the gene coding for the color of the dorsal fin of the fish B is dominant over b The dominant phenotype for the dorsal fin is black whereas the recessive phenotype is blue Following the Hardy Weinberg equation and knowing that the population includes 100 members 25 fishes with a blue fin 75 with a black fin including 20 of heterozygous determine the provide the value of p and that of q p 0 122 and q 0 422 0 422 and q 0 122 0 35 and q 0 65 p 0 55 and q 0 25 p 0 65 and q 0 35 Op 0 25 and q 0 75 p p Question 8 1 point

Allopatric speciation occurs without gene flow rather it is due to the geographical isolation of populations of the initially same species True False Question 7 2 points Listen In lake Tanganyaka there is a population of fishes with 2 alleles B and b for the gene coding for the color of the dorsal fin of the fish B is dominant over b The dominant phenotype for the dorsal fin is black whereas the recessive phenotype is blue Following the Hardy Weinberg equation and knowing that the population includes 100 members 25 fishes with a blue fin 75 with a black fin including 20 of heterozygous determine the provide the value of n and that of a

the phenotype of the majority of the individuals in this population Question 5 1 point Listen Evolution can be defined as the variations in the alleles frequency of a population over time True False Question 6 1 point 4 Listen Allopatric speciation occurs without gene flow rather it is due to the geographical isolation of populations of the initially same species True False

Question 4 1 point 4 Listen In the Hardy Weinberg equation the 2pq component correspond to the frequency of the homozygous genotype the frequency of the heterozygous genotype the genotype frequency the gamete frequency the phenotype of the majority of the individuals in this population Question 5 1 point 1 Listen Evolution can be defined as the variations in the alleles frequency of a populatic

a genetic drift is due to the change in the proportion of alleles within a population to the random mating of individuals accross populations the movements of individuals within a population

Question 2 1 point 4 Listen Microevolution happens at the population level whereas macroevolution happens at least at the species level and above True False Question 3 1 point Listen a genetic drift is due to the change in the proportion of alleles within

A species Select 2 correct answer s includes individuals that can reproduce successfully but their offsprings can be infertile includes individuals that can reproduce successfully meaning that their offsprings will also be able to succesfully reproduce includes members that are phenotypically unrelated but genotypically related includes members that are genotypically and phenotypically cohesive In other words there are no difference in the allelic frequency within members of the various populations of that species includes members that are genotypically unrelated but phenotypically related Question 2 1 point 4 Listen Microevolution happens at the population level whereas macroevolution hanno at

ART II WRITE TRUE IF THE STATEMENT IS CORRECT OR IF THE STATEMENT IS INCORRECT 5 MARKS 1 Most microorganisms are harmful to human and animals 2 Germ theory is a cause and effect theory 3 Antigen is a plasma protein which is produced against a pathogen 4 Pasteurization is a beverage disinfection technique 5 In vector borne transmission the pathogen act as a vector

A researcher mutagenized a group of butterflies and isolated six butterflies with extra long bodies Each butterfly has a recessive mutation in only one gene The researcher performed a complementation test using the six butterflies and got the following results where is wild type body and is extra long body 1 2 3 4 LO 5 6 1 01 I 02 03 L 2 1 3 I 4 1 5 Part 1 If the line 3 butterflies are crossed with the line 5 butterflies and they produce all extra long bodies what do you conclude about the butterflies produced from a cross between lines 1 and 5 6 O Half of the offspring would have wild type bodies and half of the offspring would have extra long bodies O None of the offspring would be mutant extra long O All offspring would be mutant extra long O More information is needed to answer this question I Part 2 Given the information provided how many genes are defined among these five mutant strains of butterflies

You just won three true breeding mutant round penguins at the county fair You call the penguins Roli Poli and Moli You have determined that each round penguin s phenotype is caused by an autosomal recessive mutation but you don t know if the genes with these mutations are the in the same gene or different genes Part 1 You cross Roli and Poli and find that all the F1 progeny are wild type not round Did the mutations in Roli and Poli complement or fail to complement and do they have mutations in the same gene or different genes O Fail to complement mutations are in the same gene O Complement mutations are in the same gene O Complement mutations are in different genes O Fail to complement mutations are in different genes Part 2 Next you cross Roli and Moli and all of their F1 progeny are round Did the mutations in Roli and Moli complement or fail to complement and are their the mutations in the same gene or different genes O Fail to complement mutations are in the same gene O Complement mutations are in the same gene O Fail to complement mutations are in different genes 5 56

Individuals who are homozygous for HbA allele of the hemoglobin gene produce normal hemoglobin Individuals that are homozygous for the HbS allele of the hemoglobin gene produce mutant hemoglobin and have sickle cell anemia If the sickle cell allele exhibits codominance for the type of hemoglobin produced HbAHbS individuals would have O a combination of normal and mutant hemoglobin O normal hemoglobin O mutant hemoglobin no hemoglobin

The pedigree below shows two affected parents and their unaffected children The illustrated trait is recessive d This pedigree best shows an example of O complementation O X linkage O pleiotropy O incomplete penetrance O variable expressivity

A complementation test can be used to determine whether two individuals with recessive single gene mutations causing the same or similar phenotypes have mutations in the same or different genes O whether a mutation is fully penetrant O whether a mutant allele has lost or gained function relative to a wild type allele O the number of phenotypes that can be expressed by individuals with a particular genotype the mode of inheritance of a mutant allele O

A male fish from a true breeding fish line has the mutant phenotype of spiky fin The male fish mates with a female fish from another true breeding spiky fin fish line Both spiky fin phenotypes are inherited in an autosomal recessive manner You hypothesize that the mutation in the male fish is at a different locus than the mutation in the female fish Which results would support this hypothesis O 75 of the offspring have spiky fins O None of the offspring have spiky fins O 25 of the offspring have spiky fins O 50 of the offspring have spiky fins O All of the offspring have spiky fins

Keratinosis is a recessive disorder that causes dry skin Below are the genotypes and phenotypes of offspring of a family with a history of keratinosis 7 with genotype KK all have non dry skin 5 with genotype Kk all have non dry skin 4 with genotype kk 1 with dry skin on hands 1 with dry skin on hands and feet 2 with non dry skin Select all that apply From this information keratinosis exhibits incomplete dominance Ostandard dominant recessive variable expressivity incomplete penetrance

An individual with type A blood and an individual with type B blood mate and have offspring Without knowing their exact genotypes what are all the possible blood types of their offspring Type B O Type A O Type AB O Type O

Mice from two different true breeding white mutant strains are crossed and all of their offspring have the wild type brown fur color This is an example of O incomplete dominance O an allelic series O co dominance O pleiotropy O complementation

You perform a cross between two four o clock flowers one is red homozygous dominant and the other is white homozygous recessive All F offspring are pink When you cross the F s together what ratios of colors do you expect from the F2 generation P Gametes F all identical O All pink O1 red 1 pink 1 white O 1 red 2 pink 1white O 3 red 1 white AA A X aa a Aa x Aa

The Hairless phenotype in Drosophila is caused by a recessive mutation in the H gene Wild type Drosophila have hair on all body segments Two heterozygous Hh Drosophila are crossed 25 of the offspring have normal hair on their bodies and 25 have no hair at all 50 of the offspring have less hair on their bodies than wild type and the amount of hair they have varies The Hairless phenotype in Drosophila displays what relationship between alleles Select all that apply Codominance Incomplete penetrance Incomplete dominance O Variable expressivity

Carly has blood type A and has a child with blood type O Considering the possible genotypes for each blood type which of the following individuals could NOT not be the child s other parent O George blood type AB O Kevin blood type A O Jerry blood type O O Simon blood type B O Neither George AB nor Simon B could be the other parent

A rancher would like to produce a buffalo with medium length hair but currently has only long haired and short haired buffalo The rancher crosses the long and short haired buffalo together and gets all medium haired offspring When the rancher then breeds the medium haired buffaloes together he finds that he cannot establish a true breeding line of medium haired buffalo If the hair length difference is determined by a single gene what relationship between alleles of this gene best explains these findings O Complete dominance O Codominance Incomplete dominance