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11,900
NDQ_011626
nonrenewable resources
nuclear energy is derived from
null
null
Multiple Choice
a. uranium., b. helium., c. hydrogen., d. all of the above
a
11,901
NDQ_011627
nonrenewable resources
what will help decrease the demand on natural resources?
null
null
Multiple Choice
a. improvements in technology, b. controls in population growth, c. conservation of resources, d. all of the above
d
11,902
NDQ_011628
nonrenewable resources
what countries have the highest energy consumption per person?
null
null
Multiple Choice
a. China and India, b. the United States and England, c. the United States and Australia, d. the United States and Canada
c
11,903
NDQ_011629
nonrenewable resources
current fuel supplies for nuclear power will last only to about the year
null
null
Multiple Choice
a. 2050., b. 2100., c. 2200., d. 2250.
b
11,904
NDQ_011630
nonrenewable resources
oil took millions of years to form, but __________ years to completely use.
null
null
Multiple Choice
a. less than 200, b. 250 to 300, c. about 500, d. around 1,000
b
11,905
NDQ_011651
organic compounds
organic compounds are built around the element oxygen.
null
null
Multiple Choice
a. true, b. false
b
11,906
NDQ_011652
organic compounds
fats and oils are lipids. at room temperature, oils are solid and fats are liquid.
null
null
Multiple Choice
a. true, b. false
b
11,907
NDQ_011656
organic compounds
proteins are organic compounds made of
null
null
Multiple Choice
a. nucleotides., b. amino acids., c. polysaccharides., d. lipids.
b
11,908
NDQ_011657
organic compounds
what organic compound makes up the cell membrane?
null
null
Multiple Choice
a. carbohydrates, b. lipids, c. proteins, d. nucleic acids
b
11,909
NDQ_011658
organic compounds
which of the following are carbohydrates?
null
null
Multiple Choice
a. sugar, glucose, steroids, b. glycogen, cellulose, ATP, c. glucose, glycogen, waxes, d. sugar, glucose, starch
d
11,910
NDQ_011659
organic compounds
about how many unique proteins are in humans?
null
null
Multiple Choice
a. 1,000, b. 10,000, c. 100,000, d. 1,000,000
c
11,911
NDQ_011660
organic compounds
which of the following is a biological catalyst?
null
null
Multiple Choice
a. enzyme, b. antibody, c. steroid, d. RNA
a
11,912
NDQ_011671
organization of the human body
there are only four types of tissue in the human body.
null
null
Multiple Choice
a. true, b. false
a
11,913
NDQ_011672
organization of the human body
a group of similar cells that work together is known as a organ.
null
null
Multiple Choice
a. true, b. false
b
11,914
NDQ_011676
organization of the human body
which organ system provides protection from injury and water loss, and physical defense against infection by microorganisms?
null
null
Multiple Choice
a. the lymphatic system, b. the immune system, c. the integumentary system, d. the urinary system
c
11,915
NDQ_011677
organization of the human body
which organ system collects, transfers, and processes information?
null
null
Multiple Choice
a. the nervous system, b. the endocrine system, c. the reproductive system, d. the lymphatic system
a
11,916
NDQ_011678
organization of the human body
which organ system is composed of the trachea, larynx, pharynx, and lungs?
null
null
Multiple Choice
a. the digestive system, b. the urinary system, c. the endocrine system, d. the respiratory system
d
11,917
NDQ_011679
organization of the human body
which is associated with the reproductive system?
null
null
Multiple Choice
a. the seminal vesicles, b. the fallopian tubes and ovaries, c. the production of gametes and sex hormones, d. All of the above are associated with the reproductive system.
d
11,918
NDQ_011680
organization of the human body
which is associated with the endocrine system?
null
null
Multiple Choice
a. bone marrow, b. blood vessels, c. hormones that communicate between cells, d. All of the above are associated with the endocrine system.
c
11,919
NDQ_011691
origins of life
early earth was full of gas like oxygen and carbon dioxide.
null
null
Multiple Choice
a. true, b. false
b
11,920
NDQ_011692
origins of life
organic compounds are needed to build cells.
null
null
Multiple Choice
a. true, b. false
a
11,921
NDQ_011696
origins of life
which of the following was not present in early earth?
null
null
Multiple Choice
a. nitrogen gas, b. carbon dioxide, c. water vapor, d. hydrogen sulfoxide
d
11,922
NDQ_011697
origins of life
chemical reactions need energy. where did this energy come from?
null
null
Multiple Choice
a. volcanic eruptions and lightning, b. volcanic eruptions and nuclear fusion, c. lightening and thunder, d. thunder and volcanic eruptions
a
11,923
NDQ_011698
origins of life
what is needed to build proteins?
null
null
Multiple Choice
a. amino acids, b. nucleotides, c. organic compounds, d. all of the above
a
11,924
NDQ_011699
origins of life
how old is the earliest forms of life?
null
null
Multiple Choice
a. at least 350,000 years old, b. at least 3.5 million years old, c. at least 3.5 billion years old, d. over 5 billion years
c
11,925
NDQ_011700
origins of life
where did these ingredients for early molecules come from?
null
null
Multiple Choice
a. water vapor, b. meteorites, c. volcanic gases, d. all of the above
d
11,926
NDQ_011701
outdoor air pollution
the burning of fossil fuels causes most air pollution.
null
null
Multiple Choice
a. true, b. false
a
11,927
NDQ_011702
outdoor air pollution
outdoor air pollution changes the natural characteristics of the atmosphere.
null
null
Multiple Choice
a. true, b. false
a
11,928
NDQ_011706
outdoor air pollution
which of the following processes burns fossil fuels?
null
null
Multiple Choice
a. within power plants to create electricity, b. within factories to operate machinery, c. within furnaces to generate heat, d. all of the above
d
11,929
NDQ_011707
outdoor air pollution
acid rain is formed from
null
null
Multiple Choice
a. the production of plastics., b. nuclear power and defense., c. coal-fired power plants., d. all of the above
c
11,930
NDQ_011708
outdoor air pollution
where do most greenhouse gases come from?
null
null
Multiple Choice
a. mostly from a lack of trees, b. mostly from burning fossil fuels, c. mostly from landfills and mining, d. mostly from sulfur oxides and nitrogen oxides
b
11,931
NDQ_011709
outdoor air pollution
effects of a global temperature increase include
null
null
Multiple Choice
a. species extinction., b. a rise in sea levels., c. an increase in extreme weather events., d. all of the above
d
11,932
NDQ_011710
outdoor air pollution
which of the following is a source of air pollution?
null
null
Multiple Choice
a. the production of aerosols, b. biological warfare, c. cattle ranching, d. all of the above
d
11,933
NDQ_011721
pathogens
an infectious disease is contagious.
null
null
Multiple Choice
a. true, b. false
a
11,934
NDQ_011722
pathogens
medicines called antibiotics can cure most diseases caused by viruses.
null
null
Multiple Choice
a. true, b. false
b
11,935
NDQ_011726
pathogens
two diseases caused by fungi include
null
null
Multiple Choice
a. ringworm and athlete’s foot., b. strep throat and pneumonia., c. malaria and diarrhea., d. tuberculosis and Giardia.
a
11,936
NDQ_011727
pathogens
what skin disease can be transferred from the floor of a public shower?
null
null
Multiple Choice
a. impetigo, b. acne, c. athlete’s foot, d. all of the above
c
11,937
NDQ_011728
pathogens
what disease can be spread by mosquitoes?
null
null
Multiple Choice
a. malaria, b. Dengue Fever, c. West Nile virus, d. all of the above
d
11,938
NDQ_011729
pathogens
diseases caused by a virus include
null
null
Multiple Choice
a. the flu and common cold., b. athlete’s foot and the flu., c. malaria and ringworm., d. all of the above
a
11,939
NDQ_011730
pathogens
giardia lamblia is
null
null
Multiple Choice
a. virus., b. bacterium., c. protozoa., d. fungi.
c
11,940
NDQ_011731
pedigree analysis
a pedigree shows family relationships.
null
null
Multiple Choice
a. true, b. false
a
11,941
NDQ_011732
pedigree analysis
a pedigree can be useful in understanding inheritance.
null
null
Multiple Choice
a. true, b. false
a
11,942
NDQ_011736
pedigree analysis
in autosomal recessive inheritance, all children of an couple with both parents having the recessive trait
null
null
Multiple Choice
a. will not have the trait., b. will all have the trait., c. may or may not have the trait., d. Cannot be determined from the information given.
b
11,943
NDQ_011737
pedigree analysis
in autosomal dominant inheritance, a homozygous dominant affected father will have children
null
null
Multiple Choice
a. that may or may not be affected., b. that are not affected., c. that are all affected., d. Cannot tell from the information given.
c
11,944
NDQ_011738
pedigree analysis
in sex-linked inheritance, the pedigree will most likely show
null
null
Multiple Choice
a. more affected males., b. more affected females., c. an equal number of affected males and females., d. no affected individuals.
a
11,945
NDQ_011739
pedigree analysis
in autosomal recessive inheritance, all affected individuals
null
null
Multiple Choice
a. will be heterozygous., b. will be heterozygous recessive., c. will be homozygous dominant., d. will be homozygous recessive.
d
11,946
NDQ_011740
pedigree analysis
in autosomal dominant inheritance, all affected individuals
null
null
Multiple Choice
a. will be homozygous dominant or heterozygous., b. will be homozygous recessive or heterozygous., c. will be heterozygous., d. Cannot be determined from the information given.
a
11,947
NDQ_011741
peripheral nervous system
there are nerves that send and receive messages to the internal organs.
null
null
Multiple Choice
a. true, b. false
a
11,948
NDQ_011742
peripheral nervous system
the peripheral nervous system sends messages along nerves from the brain to the spinal cord.
null
null
Multiple Choice
a. true, b. false
b
11,949
NDQ_011746
peripheral nervous system
which part of the pns carries messages from internal organs to the cns?
null
null
Multiple Choice
a. the sensory division, b. the motor division, c. the somatic nervous system, d. the autonomic nervous system
a
11,950
NDQ_011747
peripheral nervous system
which part of the pns controls involuntary activities such as activities such as digestion?
null
null
Multiple Choice
a. the sensory division, b. the motor division, c. the somatic nervous system, d. the autonomic nervous system
d
11,951
NDQ_011748
peripheral nervous system
what part of the pns allows you to circle the correct answer to this question?
null
null
Multiple Choice
a. the somatic nervous system, b. the autonomic nervous system, c. the sympathetic division, d. the parasympathetic division
a
11,952
NDQ_011749
peripheral nervous system
what part of the pns increases the heart rate in an emergency situation?
null
null
Multiple Choice
a. the sensory division, b. the motor division, c. the sympathetic division, d. the parasympathetic division
c
11,953
NDQ_011750
peripheral nervous system
what part of the nervous system tells you that cookies are being baked?
null
null
Multiple Choice
a. the central nervous system, b. the sensory division, c. the autonomic nervous system, d. the somatic nervous system
a
11,954
NDQ_011751
photosynthesis
glucose is the food of plants.
null
null
Multiple Choice
a. true, b. false
a
11,955
NDQ_011752
photosynthesis
glucose is the main product of photosynthesis.
null
null
Multiple Choice
a. true, b. false
a
11,956
NDQ_011756
photosynthesis
which statement best describes a producer?
null
null
Multiple Choice
a. An organism that produces food for itself and other organisms., b. An organism that produces complex organic compounds from simple inorganic molecules., c. An organism that obtains carbon from outside sources., d. All plants are producers.
a
11,957
NDQ_011757
photosynthesis
which statement best describes an autotroph?
null
null
Multiple Choice
a. An organism that produces food for itself an other organisms., b. An organism that produces complex organic compounds from simple, c. An organism that obtains carbon from outside sources., d. All plants are autotrophs.
b
11,958
NDQ_011758
photosynthesis
which best summarized photosynthesis? in the presence of sunlight,
null
null
Multiple Choice
a. carbon dioxide + oxygen → glucose + water., b. glucose + oxygen → carbon dioxide + water., c. carbon dioxide + water → glucose + oxygen., d. carbon dioxide + glucose → oxygen + water.
c
11,959
NDQ_011759
photosynthesis
what is the organelle of photosynthesis?
null
null
Multiple Choice
a. the mitochondria, b. the chloroplast, c. the nucleus, d. the endoplasmic reticulum
b
11,960
NDQ_011760
photosynthesis
as almost all organisms on earth obtain their energy from photosynthetic organisms, it could be said that ultimately all energy comes from _________.
null
null
Multiple Choice
a. plants., b. food., c. the sun., d. carbon dioxide.
c
11,961
NDQ_011830
polygenic traits
phenotypes associated with polygenic traits can be represented by a bell-shaped curve.
null
null
Multiple Choice
a. true, b. false
a
11,962
NDQ_011831
polygenic traits
polygenic traits demonstrate a wide variation in the phenotype.
null
null
Multiple Choice
a. true, b. false
a
11,963
NDQ_011835
polygenic traits
if a, b and c represent dominant alleles of a polygenic trait, what genotype will represent an extreme phenotype?
null
null
Multiple Choice
a. AaBbCc, b. AABbcc, c. AABBCC, d. AabbcC
a
11,964
NDQ_011836
polygenic traits
if a, b and c represent dominant alleles of a polygenic trait, what genotype will represent the moderate (or middle) phenotype?
null
null
Multiple Choice
a. AaBbCc, b. AAbbcc, c. AaBBCc, d. All of the above represent moderate phenotypes.
a
11,965
NDQ_011837
polygenic traits
which genotype will have a more extreme phenotype?
null
null
Multiple Choice
a. AaBbCc, b. AABbcc, c. aaBbCC, d. All of the above will show very similar phenotypes.
d
11,966
NDQ_011838
polygenic traits
human height is a polygenic trait. if individuals with more dominant alleles are tall, what will be the genotype of a professional basketball player.
null
null
Multiple Choice
a. nnbbaa, b. NnBbAa, c. NNBBaa, d. NNBBAA
a
11,967
NDQ_011839
polygenic traits
in addition to skin color and height, which of the following is also a polygenic trait?
null
null
Multiple Choice
a. freckles, b. hair color, c. eye size, d. both (b
b
11,968
NDQ_011840
population growth patterns
many birds are altricial organisms, needing a lot of parental care.
null
null
Multiple Choice
a. true, b. false
a
11,969
NDQ_011841
population growth patterns
exponential growth requires an unlimited food supply.
null
null
Multiple Choice
a. true, b. false
a
11,970
NDQ_011845
population growth patterns
which factor affects the population growth rate?
null
null
Multiple Choice
a. The age of organisms at first reproduction., b. The age of an organism at death., c. The age of the newborn at birth., d. all of the above
a
11,971
NDQ_011846
population growth patterns
if the death rate is larger than the birth rate, what will happen to the population?
null
null
Multiple Choice
a. The population size will stay the same., b. The population size will increase., c. The population size will decrease., d. nothing will happen
c
11,972
NDQ_011847
population growth patterns
what happens to population growth as resources become less available?
null
null
Multiple Choice
a. logistic growth becomes exponential growth, b. exponential growth becomes logistic growth, c. exponential growth continues to the carrying capacity, d. logistic growth stops
b
11,973
NDQ_011848
population growth patterns
which of the following is true about altricial organisms?
null
null
Multiple Choice
a. Altricial organisms require minimal parental support., b. Altricial birds are able to fly at birth., c. Altricial birds are usually born blind and without feathers., d. Altricial organisms reach maturity relatively quickly.
c
11,974
NDQ_011849
population growth patterns
which factor affects the population growth rate?
null
null
Multiple Choice
a. The presence or absence of parental care., b. The death rate of offspring., c. How often an organism reproduces., d. all of the above
d
11,975
NDQ_011860
pregnancy and childbirth
the placenta supplies the developing baby with oxygen.
null
null
Multiple Choice
a. true, b. false
a
11,976
NDQ_011861
pregnancy and childbirth
a typical pregnancy lasts 38 weeks.
null
null
Multiple Choice
a. true, b. false
a
11,977
NDQ_011865
pregnancy and childbirth
by when have all the major organs started to develop?
null
null
Multiple Choice
a. by the 2nd week after fertilization, b. by the 4th week after fertilization, c. by the 8th week after fertilization, d. by the 12th week after fertilization
c
11,978
NDQ_011866
pregnancy and childbirth
the heart is one of the first organs to develop. when does the heart begin to beat?
null
null
Multiple Choice
a. during week 1, b. during week 2, c. during week 4, d. during week 6
c
11,979
NDQ_011867
pregnancy and childbirth
to have the best chance of survival, a premature baby should be delivered no earlier than week
null
null
Multiple Choice
a. 26., b. 28., c. 30., d. 32.
b
11,980
NDQ_011868
pregnancy and childbirth
in addition to the baby, what else forms inside the mothers uterus?
null
null
Multiple Choice
a. the amniotic sac, placenta, and umbilical cord also form inside the uterus., b. the placenta, c. the umbilical cord, d. all of the above
d
11,981
NDQ_011869
pregnancy and childbirth
it is important for the mother to eat plenty of nutritious foods during pregnancy. it is also important for the mother to avoid
null
null
Multiple Choice
a. alcohol, illegal drugs, and some medicines., b. alcohol, soda and candy., c. alcohol, airplane rides and amusement parks., d. alcohol, illegal drugs and sexual relations.
a
11,982
NDQ_011870
preserving water sources
theoretically the supply of fresh water could run out.
null
null
Multiple Choice
a. true, b. false
a
11,983
NDQ_011871
preserving water sources
there are drinkable water shortages in many places of the planet.
null
null
Multiple Choice
a. true, b. false
a
11,984
NDQ_011875
preserving water sources
recycling wastewater is tremendously helpful. which of the following produces wastewater?
null
null
Multiple Choice
a. water that has been used in washing clothes, b. water that has been used in flushing the toilet, c. water that has been used in showering, d. all of the above
d
11,985
NDQ_011876
preserving water sources
most of earths water
null
null
Multiple Choice
a. is not drinkable., b. is in the oceans and ice caps., c. is saltwater., d. all of the above
d
11,986
NDQ_011877
preserving water sources
the clean water act
null
null
Multiple Choice
a. prevents the illegal dumping of contaminants into the water supply., b. prevents the illegal use of clean water., c. sets guidelines for water recycling., d. all of the above
a
11,987
NDQ_011878
preserving water sources
what is an advantage of recycling wastewater?
null
null
Multiple Choice
a. Recycling wastewater produces fresh water., b. Recycling wastewater can help prevent waterborne diseases., c. Recycling wastewater increases the amount of water on Earth., d. all of the above
b
11,988
NDQ_011879
preserving water sources
of all the water on earth, only about _____ % can be used for drinking water.
null
null
Multiple Choice
a. 0.1, b. 1, c. 2, d. 10
b
11,989
NDQ_011880
preventing infectious diseases
the best way to avoid pathogens is to wash your hands often.
null
null
Multiple Choice
a. true, b. false
a
11,990
NDQ_011881
preventing infectious diseases
keeping your immune system healthy helps to fight pathogens.
null
null
Multiple Choice
a. true, b. false
a
11,991
NDQ_011885
preventing infectious diseases
when washing your hands, how long should you scrub with soap?
null
null
Multiple Choice
a. at least 10 seconds, b. at least 20 seconds, c. at least 30 seconds, d. at least 1 minute
b
11,992
NDQ_011886
preventing infectious diseases
name three personal items that should not be shared.
null
null
Multiple Choice
a. hairbrush, comb and soap, b. toothbrush, comb and razor, c. toothbrush, comb and soap, d. hairbrush, comb and pencil
b
11,993
NDQ_011887
preventing infectious diseases
what do you think it means to use safe cooking practices?
null
null
Multiple Choice
a. wash all fruits and vegetables well prior to eating, b. use separate clean cutting boards for raw meats and vegetables, c. keep clean countertops, d. all of the above
d
11,994
NDQ_011888
preventing infectious diseases
why is staying informed of current events important?
null
null
Multiple Choice
a. to know if your water needs to be boiled, b. to know what restaurants to currently avoid, c. to know what foods may be currently contaminated, d. all of the above
d
11,995
NDQ_011889
preventing infectious diseases
if you have an infectious disease, you should
null
null
Multiple Choice
a. get vaccinated., b. stay home from school., c. drink plenty of fluids., d. all of the above
b
11,996
NDQ_011890
preventing noninfectious diseases
infectious diseases can't be passed from one person to another.
null
null
Multiple Choice
a. true, b. false
b
11,997
NDQ_011891
preventing noninfectious diseases
the use of tanning beds is a safe alternative to tanning in the sun.
null
null
Multiple Choice
a. true, b. false
b
11,998
NDQ_011895
preventing noninfectious diseases
what noninfectious diseases cause the most deaths in many developed countries?
null
null
Multiple Choice
a. heart disease, stroke, diabetes and AIDS, b. AIDS, stroke, diabetes and cancer, c. heart disease, stroke, diabetes and cancer, d. AIDS and smoking
c
11,999
NDQ_011896
preventing noninfectious diseases
what steps can a person take to help prevent type 2 diabetes?
null
null
Multiple Choice
a. avoiding high-fat foods, b. staying at a healthy weight, c. getting plenty of exercise, d. all of the above
d