questionID
stringlengths
10
10
question_text
stringlengths
5
324
answer_choices
stringlengths
17
473
correct_answer
stringclasses
7 values
NDQ_008999
Products that living things provide include rubber, dyes, and adhesives.
a. true, b. false
a
NDQ_009000
Scientists have identified about 7.9 million living species.
a. true, b. false
b
NDQ_009001
Wild organisms maintain a valuable pool of genetic variation.
a. true, b. false
a
NDQ_009002
More than half of the most important prescription drugs come from wild species.
a. true, b. false
a
NDQ_009003
Microorganisms purify water and decompose organic matter.
a. true, b. false
a
NDQ_009004
Amphibians are particularly sensitive to environmental toxins because of their permeable skin.
a. true, b. false
a
NDQ_009005
Most domestic species have been bred to be genetically variable.
a. true, b. false
b
NDQ_009006
Predatory birds and spiders increase the need for chemical pesticides.
a. true, b. false
b
NDQ_009007
About half of the wetlands in the U.S. have already been destroyed.
a. true, b. false
a
NDQ_009008
__species that is introduced to a new habitat where it never existed before
a. biodiversity, b. exotic species, c. pollination, d. extinction, e. habitat loss, f. mass extinction, g. coral reef
b
NDQ_009009
__extinction event in which many species go extinct around the same time
a. biodiversity, b. exotic species, c. pollination, d. extinction, e. habitat loss, f. mass extinction, g. coral reef
f
NDQ_009010
__variety of life and its processes
a. biodiversity, b. exotic species, c. pollination, d. extinction, e. habitat loss, f. mass extinction, g. coral reef
a
NDQ_009011
__complete dying out of a species
a. biodiversity, b. exotic species, c. pollination, d. extinction, e. habitat loss, f. mass extinction, g. coral reef
d
NDQ_009012
__one of the most biodiverse ecosystems on Earth
a. biodiversity, b. exotic species, c. pollination, d. extinction, e. habitat loss, f. mass extinction, g. coral reef
g
NDQ_009013
__single biggest cause of extinction at present
a. biodiversity, b. exotic species, c. pollination, d. extinction, e. habitat loss, f. mass extinction, g. coral reef
e
NDQ_009014
__example of an ecosystem service provided by biodiversity
a. biodiversity, b. exotic species, c. pollination, d. extinction, e. habitat loss, f. mass extinction, g. coral reef
c
NDQ_009015
Biodiversity refers to
a. variation in living organisms, b. genetic differences among living things, c. the range of communities and ecosystems worldwide, d. all of the above
d
NDQ_009016
How many living species have scientists identified?
a. fewer than 1 thousand, b. about 1 million, c. close to 2 million, d. at least 3 million
c
NDQ_009017
Which of the following types of ecosystems has the greatest biodiversity?
a. temperate grassland, b. intertidal zone, c. tropical rainforest, d. alpine tundra
c
NDQ_009018
Economic benefits of biodiversity include
a. storing genetic variation, b. providing inspiration for technology, c. warning of environmental toxins, d. all of the above
d
NDQ_009019
How do microorganisms benefit ecosystems?
a. They fix nitrogen, b. They purify water, c. They return nutrients to soil, d. all of the above
d
NDQ_009020
The fifth mass extinction
a. is occurring now, b. wiped out the dinosaurs, c. occurred about 10,000 years ago, d. two of the above
b
NDQ_009021
Which of the following is an example of an exotic species in North America?
a. peregrine falcon, b. purple loosestrife, c. bison, d. honey bee
b
NDQ_009366
Which trait(s) did Mendel study in pea plants?
a. pod form, b. pod placement, c. pod color, d. all of the above
d
NDQ_009369
In Mendels first set of experiments, he
a. studied two traits at a time, b. let the P generation self-pollinate, c. experimented with just two generations, d. none of the above
d
NDQ_009370
Mendels law of independent assortment
a. was based on the results of his first set of experiments, b. describes how factors controlling different traits go to gametes independently, c. explains why one form of a trait always disappears in the first generation of offspring, d. none of the above
b
NDQ_009373
All of the traits that Mendel studied in pea plants
a. are easy to observe, b. exist in three different forms, c. are needed for sexual reproduction, d. two of the above
a
NDQ_009375
An example of a recessive trait in pea plants is
a. green seed color, b. violet flower color, c. round seed form, d. two of the above
a
NDQ_009380
____law describing how factors for different traits combine in gametes
a. F1, b. law of independent assortment, c. F2, d. dominant, e. P, f. law of segregation, g. recessive
b
NDQ_009383
____symbol for the parental generation in genetics experiments
a. F1, b. law of independent assortment, c. F2, d. dominant, e. P, f. law of segregation, g. recessive
e
NDQ_009385
____Mendels term describing a factor that may be hidden in an individual
a. F1, b. law of independent assortment, c. F2, d. dominant, e. P, f. law of segregation, g. recessive
g
NDQ_009386
____law describing how factors for the same trait go to gametes
a. F1, b. law of independent assortment, c. F2, d. dominant, e. P, f. law of segregation, g. recessive
f
NDQ_009387
Mendels laws apply only to pea plants.
a. true, b. false
b
NDQ_009388
Mendels work was largely ignored until 1900.
a. true, b. false
a
NDQ_009389
____symbol for the second offspring generation in genetics experiments
a. F1, b. law of independent assortment, c. F2, d. dominant, e. P, f. law of segregation, g. recessive
c
NDQ_009390
Pea plants were a good choice for Mendels research because they grow quickly.
a. true, b. false
a
NDQ_009391
____symbol for the first offspring generation in genetics experiments
a. F1, b. law of independent assortment, c. F2, d. dominant, e. P, f. law of segregation, g. recessive
a
NDQ_009392
____Mendels term describing a factor that is always expressed in an individual
a. F1, b. law of independent assortment, c. F2, d. dominant, e. P, f. law of segregation, g. recessive
d
NDQ_009393
In Mendels second set of experiments, all of the F1 plants had wrinkled, green seeds.
a. true, b. false
b
NDQ_009394
In sexually reproducing plants, female gametes are released by tiny grains of pollen.
a. true, b. false
b
NDQ_009395
__Mendels discoveries made him a well-known scientist in his own lifetime.
a. true, b. false
b
NDQ_009396
__Mendels laws form the basis of the science of genetics.
a. true, b. false
a
NDQ_009397
__In Mendels second set of experiments, the F2 generation always had traits in the ratio 9:3:3:1.
a. true, b. false
a
NDQ_009398
__In Mendels first set of experiments, both forms of a trait always showed up in the F1 plants.
a. true, b. false
b
NDQ_009399
__Mendel chose pea plants to study because they have asexual reproduction.
a. true, b. false
b
NDQ_009400
__Mendel determined that one out of four F2 plants inherits two recessive factors for a given trait.
a. true, b. false
a
NDQ_009401
__If you were to cross a violet-flowered pea plant with a white-flowered pea plant, the first generation
a. true, b. false
b
NDQ_009402
Mendel made his discoveries in the
a. 1600s, b. 1700s, c. 1800s, d. 1900s
c
NDQ_009403
Reasons that pea plants were a good choice for Mendel to study include that
a. they are easy to grow, b. they have just two traits, c. each trait exists in many different forms, d. all of the above
a
NDQ_009404
Mendel arrived at his second law of inheritance when he studied
a. one trait at a time, b. one generation at a time, c. two traits at a time, d. two generations at a time
c
NDQ_009405
Traits Mendel studied in pea plants included
a. flower color, b. stem length, c. seed color, d. all of the above
d
NDQ_009406
An example of a dominant trait in pea plants is
a. white flower color, b. wrinkled seed form, c. round seed form, d. two of the above
c
NDQ_009407
If you cross a purebred pea plant with green seeds and a purebred pea plant with yellow seeds, what percent of their offspring will have green seeds?
a. 100 percent, b. 75 percent, c. 25 percent, d. 0 percent
d
NDQ_009408
Which plants were allowed to self-pollinate in Mendels experiments?
a. P, b. F1, c. F2, d. all of the above
b
NDQ_009409
The traits of an individual make up the individuals
a. genotype, b. phenotype, c. genome, d. DNA
b
NDQ_009410
At a given locus on homologous chromosomes, you would always find the same
a. alleles, b. genes, c. genotypes, d. autosomes
b
NDQ_009411
If B is dominant to b, which genotype expresses the recessive phenotype?
a. BB, b. Bb, c. bb, d. two of the above
c
NDQ_009412
The position of a gene on a chromosome is its
a. autosome, b. genotype, c. allele, d. locus
d
NDQ_009413
Which of the following represents a homozygous genotype?
a. AA, b. Aa, c. aa, d. two of the above
d
NDQ_009414
If two Bb parents have offspring together, what percent of the offspring would you expect to have the same genotype as the parents?
a. 100 percent, b. 75 percent, c. 50 percent, d. 25 percent
c
NDQ_009415
For the parents in question 3, what percent of the offspring would you expect to have the same phenotype as the parents if B is dominant to b?
a. 100 percent, b. 75 percent, c. 50 percent, d. 25 percent
b
NDQ_009416
Which genotype is possible for a person with type O blood?
a. AO, b. BO, c. OO, d. any of the above
c
NDQ_009417
Examples of polygenic traits in human beings include
a. ABO blood type, b. color blindness, c. skin color, d. two of the above
c
NDQ_009418
Red-green color blindness is an example of a(n)
a. sex-linked trait, b. autosomal trait, c. recessive trait, d. two of the above
d
NDQ_009420
The A and B alleles for the ABO blood type trait are
a. both dominant to the O allele, b. codominant with each other, c. both recessive to the O allele, d. two of the above
d
NDQ_009422
If a mother has a single allele for red-green color blindness, she always
a. expresses the color-blindness trait, b. passes the allele to all of her daughters, c. passes the allele to all of her sons, d. two of the above
c
NDQ_009423
____section of a chromosome that contains the genetic code for a particular protein
a. genotype, b. homozygote, c. allele, d. phenotype, e. heterozygote, f. codominance, g. gene
g
NDQ_009426
____individual with two different alleles for a given gene
a. genotype, b. homozygote, c. allele, d. phenotype, e. heterozygote, f. codominance, g. gene
e
NDQ_009428
____one of two or more versions of the same gene
a. genotype, b. homozygote, c. allele, d. phenotype, e. heterozygote, f. codominance, g. gene
c
NDQ_009429
____expression of an individuals alleles as traits
a. genotype, b. homozygote, c. allele, d. phenotype, e. heterozygote, f. codominance, g. gene
d
NDQ_009430
Different genotypes always produce different phenotypes.
a. true, b. false
b
NDQ_009431
All of the traits Mendel studied were polygenic traits.
a. true, b. false
b
NDQ_009432
____situation in which two alleles for the same gene are expressed equally in heterozygotes
a. genotype, b. homozygote, c. allele, d. phenotype, e. heterozygote, f. codominance, g. gene
f
NDQ_009433
A Punnett square shows exactly how many children of each genotype a given set of parents will actually
a. true, b. false
b
NDQ_009434
____alleles that an individual inherits for a given gene
a. genotype, b. homozygote, c. allele, d. phenotype, e. heterozygote, f. codominance, g. gene
a
NDQ_009435
____individual with two alleles of the same type for a given gene
a. genotype, b. homozygote, c. allele, d. phenotype, e. heterozygote, f. codominance, g. gene
b
NDQ_009436
An example of non-Mendelian inheritance is incomplete dominance.
a. true, b. false
a
NDQ_009437
For many traits, your phenotype is influenced by your environment as well as your genotype.
a. true, b. false
a
NDQ_009445
__Mendels laws were rediscovered in 1990.
a. true, b. false
b
NDQ_009446
__Within a species, most variation in traits is due to different alleles.
a. true, b. false
a
NDQ_009447
__If a gene has two alleles, there are two possible genotypes.
a. true, b. false
b
NDQ_009448
__If a parent has the genotype Bb, you would expect all of the parents gametes to contain the B
a. true, b. false
b
NDQ_009449
__You could use a Punnett square to predict the most likely ratio of daughters to sons in a given
a. true, b. false
a
NDQ_009450
__A person with type A blood could have the genotype AA, AO, or AB.
a. true, b. false
b
NDQ_009451
__Adult height is an example of a sex-linked trait.
a. true, b. false
b
NDQ_009452
The Human Genome Project was launched in
a. 1900, b. 1990, c. 2000, d. 2003
b
NDQ_009453
____method of making copies of a gene that uses bacteria
a. polymerase chain reaction, b. cystic fibrosis, c. gene cloning, d. Marfan syndrome, e. Human Genome Project, f. Down syndrome, g. genetic disorder
c
NDQ_009454
____any disease caused by mutations
a. polymerase chain reaction, b. cystic fibrosis, c. gene cloning, d. Marfan syndrome, e. Human Genome Project, f. Down syndrome, g. genetic disorder
g
NDQ_009455
Which type of trait is cystic fibrosis?
a. autosomal dominant, b. sex-linked dominant, c. autosomal recessive, d. sex-linked recessive
c
NDQ_009456
An example of a chromosomal disorder is
a. Marfan syndrome, b. Down syndrome, c. sickle cell anemia, d. hemophilia A
b
NDQ_009457
____example of a disease caused by a chromosomal mutation
a. polymerase chain reaction, b. cystic fibrosis, c. gene cloning, d. Marfan syndrome, e. Human Genome Project, f. Down syndrome, g. genetic disorder
f
NDQ_009458
____example of a disease caused by a dominant mutation
a. polymerase chain reaction, b. cystic fibrosis, c. gene cloning, d. Marfan syndrome, e. Human Genome Project, f. Down syndrome, g. genetic disorder
d
NDQ_009459
Biotechnology may be used to
a. cure genetic disorders, b. produce human proteins, c. create genetically modified organisms, d. all of the above
d
NDQ_009460
____method of making copies of a gene that uses heat and an enzyme
a. polymerase chain reaction, b. cystic fibrosis, c. gene cloning, d. Marfan syndrome, e. Human Genome Project, f. Down syndrome, g. genetic disorder
a
NDQ_009461
Recessive genetic disorders
a. are usually less common than dominant disorders, b. are expressed only in homozygotes, c. always involve entire chromosomes, d. none of the above
b
NDQ_009463
____international effort to determine the complete genetic blueprint of a human being
a. polymerase chain reaction, b. cystic fibrosis, c. gene cloning, d. Marfan syndrome, e. Human Genome Project, f. Down syndrome, g. genetic disorder
e
NDQ_009465
____example of a disease caused by a recessive mutation
a. polymerase chain reaction, b. cystic fibrosis, c. gene cloning, d. Marfan syndrome, e. Human Genome Project, f. Down syndrome, g. genetic disorder
b
NDQ_009466
Specific aims of the Human Genome Project include
a. identifying the more than 20,000 human genes, b. mapping all human genes on chromosomes, c. sequencing the 3 billion bases in human DNA, d. all of the above
d
NDQ_009469
Which type of trait is sickle cell anemia?
a. X-linked recessive, b. X-linked dominant, c. autosomal recessive, d. autosomal dominant
c
NDQ_009471
Chromosomal disorders occur when chromosomes fail to separate normally during
a. meiosis, b. fertilization, c. mitosis, d. birth
a