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11,600 | NDQ_010654 | fermentation | what is the main goal of fermentation? | null | null | Multiple Choice | a. to produce two ATP, b. to allow glycolysis to occur, c. to make alcohol, d. to produce lactic acid | b |
11,601 | NDQ_010655 | fermentation | what organisms perform lactic acid fermentation under anaerobic conditions? | null | null | Multiple Choice | a. plants, b. animals, c. fungi, d. both (b | d |
11,602 | NDQ_010656 | fermentation | lactic acid fermentation is used to make which of the following products? | null | null | Multiple Choice | a. drinking alcohol, b. bread, c. yogurt, d. all of the above | c |
11,603 | NDQ_010657 | fermentation | what process allows bread to rise? | null | null | Multiple Choice | a. aerobic respiration, b. lactic acid fermentation, c. alcoholic fermentation, d. photosynthesis | c |
11,604 | NDQ_010678 | fish | whales are the biggest fish. | null | null | Multiple Choice | a. true, b. false | b |
11,605 | NDQ_010679 | fish | some fish can live on land for short periods. | null | null | Multiple Choice | a. true, b. false | a |
11,606 | NDQ_010683 | fish | ectothermy is a characteristic of fish? what is ectothermy? | null | null | Multiple Choice | a. Being cold-blooded., b. Not being able to raise body temperature without help., c. Being dependent on the environment to maintain body temperature., d. all of the above | d |
11,607 | NDQ_010684 | fish | what is a unique characteristic of some cartilaginous fish? | null | null | Multiple Choice | a. They are not endothermic., b. They have very flexible pectoral fins., c. They reproduce asexually., d. all of the above | b |
11,608 | NDQ_010685 | fish | what is a unique characteristic of tuna and swordfish? | null | null | Multiple Choice | a. They are not covered with scales., b. They are able to raise their body temperature above that of the surrounding, c. They breathe using either gills or lungs., d. all of the above | b |
11,609 | NDQ_010686 | fish | what do the two biggest fish have in common? | null | null | Multiple Choice | a. Both are fierce rulers of their habitat., b. Both are filter feeders., c. Both are ferocious carnivores., d. all of the above | b |
11,610 | NDQ_010687 | fish | what is significant about the smallest vertebrate? | null | null | Multiple Choice | a. It does not have a cranium., b. It is not a true fish., c. It does not use gills to breathe., d. It does not have fins. | a |
11,611 | NDQ_010688 | flatworms | the flatworms are the first significant phylum with bilateral symmetry. | null | null | Multiple Choice | a. true, b. false | a |
11,612 | NDQ_010689 | flatworms | most flatworms are parasites. | null | null | Multiple Choice | a. true, b. false | a |
11,613 | NDQ_010693 | flatworms | how does respiration occur in flatworms? | null | null | Multiple Choice | a. Respiration occurs by the movement of oxygen over the gills., b. Respiration occurs by the diffusion of oxygen into the lungs., c. Respiration occurs by the diffusion of oxygen into the worm body., d. All of the above methods are used by worms to respire. | c |
11,614 | NDQ_010694 | flatworms | what is cephalization? | null | null | Multiple Choice | a. Cephalization is the development of a head region., b. Cephalization refers to the flatworms head region., c. Cephalization includes the two eye spots., d. Cephalization is the development of the nerve net running the length of the flatworm body. | a |
11,615 | NDQ_010695 | flatworms | how are nutrients distributed throughout the flatworm? | null | null | Multiple Choice | a. Nutrients are carried by the blood through the flatworm., b. Nutrients are distributed by diffusion., c. Nutrients are distributed by the digestive tract., d. Nutrients are distributed by the gastrovascular cavity. | d |
11,616 | NDQ_010696 | flatworms | which best describes the flatworm digestive system? | null | null | Multiple Choice | a. Flatworms have a complete digestive system, with two openings, a mouth and an anus., b. Flatworms have an incomplete digestive system, with two openings, a mouth and an anus., c. Flatworms have an incomplete digestive system, with just one opening., d. Flatworms do not have a digestive system. | c |
11,617 | NDQ_010697 | flatworms | a body cavity usually refers to the space located between an animals outer covering and the outer lining of the gut cavity. coelomates have a complete body cavity where organs attach and develop. pseudocoelomates have a body cavity that loosely holds organs in place. acoelomates do not have a body cavity. what type of animals are flatworms? | null | null | Multiple Choice | a. coelomates, b. pseudocoelomates, c. acoelomates, d. none of the above | a |
11,618 | NDQ_010698 | food and nutrients | there are more carbohydrates in a salad than in a steak. | null | null | Multiple Choice | a. true, b. false | a |
11,619 | NDQ_010699 | food and nutrients | the four types of nutrients are carbohydrates, lipids, proteins and nucleic acids. | null | null | Multiple Choice | a. true, b. false | b |
11,620 | NDQ_010703 | food and nutrients | what is the main source of energy for your body? | null | null | Multiple Choice | a. lipids, b. proteins, c. carbohydrates, d. nucleic acids | c |
11,621 | NDQ_010704 | food and nutrients | which of the following are proteins built from amino acids? | null | null | Multiple Choice | a. enzymes, antibodies, and muscle fibers, b. DNA and RNA, c. glucose and starch, d. olive oil | a |
11,622 | NDQ_010705 | food and nutrients | what type of food provides lipids? | null | null | Multiple Choice | a. pizza, b. broccoli, c. peanut oil, d. hot dog | c |
11,623 | NDQ_010706 | food and nutrients | what process turns glucose into usable energy? | null | null | Multiple Choice | a. cellular respiration, b. photosynthesis, c. digestion, d. metabolism | a |
11,624 | NDQ_010707 | food and nutrients | why does your body need food? | null | null | Multiple Choice | a. Food provides building materials for your body., b. Food contains substances that help control body processes., c. Food gives your body energy., d. all of the above | d |
11,625 | NDQ_010718 | fossils | fossils are the preserved remains of animals, plants, and other organisms from the distant past. | null | null | Multiple Choice | a. true, b. false | a |
11,626 | NDQ_010719 | fossils | fossiltologists are scientists who study fossils to learn about life in the past. | null | null | Multiple Choice | a. true, b. false | b |
11,627 | NDQ_010723 | fossils | which best describes radiometric dating? | null | null | Multiple Choice | a. Measures the accumulation of radiometric materials in a sample., b. Measures the breakdown of radioactive materials in a sample., c. Dates material by measuring radiometric samples., d. Dates material by measuring the breakdown of radioactive samples. | b |
11,628 | NDQ_010724 | fossils | which statement describes the order of materials in the fossil record? | null | null | Multiple Choice | a. Newer layers form on top of the older layers., b. Newer fossils form on top of the older fossils., c. Older fossils form on top of the newer fossils., d. Older layers form on top of the newer layers. | b |
11,629 | NDQ_010725 | fossils | the oldest rocks on earth are | null | null | Multiple Choice | a. 1 billion years old., b. 5 billion years old., c. between 3 and 4 billion years old., d. between 4 and 5 billion years old. | b |
11,630 | NDQ_010726 | fossils | the fossil record provides evidence for | null | null | Multiple Choice | a. when organisms lived on Earth., b. how some species have gone extinct., c. how species evolved., d. all of the above | d |
11,631 | NDQ_010727 | fossils | the oldest fossils on earth are | null | null | Multiple Choice | a. 1 million years old., b. 1 billion years old, c. between 3 and 4 billion years old., d. between 4 and 5 billion years old. | c |
11,632 | NDQ_010798 | genetic disorders | a genetic disorder is due to a mutation in your dna. | null | null | Multiple Choice | a. true, b. false | a |
11,633 | NDQ_010799 | genetic disorders | genetic disorders are contagious. | null | null | Multiple Choice | a. true, b. false | b |
11,634 | NDQ_010803 | genetic disorders | for a child to have cystic fibrosis, the child had to | null | null | Multiple Choice | a. inherit two dominant alleles., b. inherit two recessive alleles., c. inherit one dominant and one recessive allele., d. none of the above | b |
11,635 | NDQ_010804 | genetic disorders | for a child to have huntingtons disease, the child had to | null | null | Multiple Choice | a. inherit two dominant alleles., b. inherit two recessive alleles., c. inherit one dominant and one recessive allele., d. none of the above | c |
11,636 | NDQ_010805 | genetic disorders | tay sachs is an autosomal recessive disorder in which affected individuals die in their childhood. for a child to have tay sachs, | null | null | Multiple Choice | a. both parents must be carriers., b. both parents must have the disease., c. only one parent must have the disease., d. the child must inherit at least one disease allele. | a |
11,637 | NDQ_010806 | genetic disorders | a man with cystic fibrosis marries a normal woman. what is the chance that they will have an affected child? | null | null | Multiple Choice | a. 0, b. 25%, c. 50%, d. 100% | a |
11,638 | NDQ_010807 | genetic disorders | what is the chance that two carriers of the cystic fibrosis allele will have a carrier child? | null | null | Multiple Choice | a. 0, b. 25%, c. 50%, d. 100% | a |
11,639 | NDQ_010838 | hardy weinberg theorem | at genetic equilibrium, there is no evolution. | null | null | Multiple Choice | a. true, b. false | a |
11,640 | NDQ_010839 | hardy weinberg theorem | genetic equilibrium rarely occurs in nature. | null | null | Multiple Choice | a. true, b. false | a |
11,641 | NDQ_010843 | hardy weinberg theorem | which of the following are conditions for hardy-weinberg equilibrium? | null | null | Multiple Choice | a. no mutations, b. no natural selection, c. random mating, d. all of the above | d |
11,642 | NDQ_010844 | hardy weinberg theorem | which of the following processes selects for specific alleles? | null | null | Multiple Choice | a. natural selection, b. random mating, c. large population, d. migration | a |
11,643 | NDQ_010845 | hardy weinberg theorem | the movement of 100 individuals into an area each winter, and the movement of 50 out of the area each spring is an example of | null | null | Multiple Choice | a. natural selection., b. random mating., c. migration., d. mutation. | c |
11,644 | NDQ_010846 | hardy weinberg theorem | if a population at genetic equilibrium consists of 75% a alleles one generation, how many a alleles will be in the population the next generation. | null | null | Multiple Choice | a. 75%, b. 50%, c. 25%, d. 0% | c |
11,645 | NDQ_010847 | hardy weinberg theorem | if a population consists of 10% recessive aa phenotype, what amount of the population has the dominant phenotype? | null | null | Multiple Choice | a. 10% AA, b. 80% Aa, c. 90%, d. all of the above | c |
11,646 | NDQ_010848 | harmful bacteria | bacteria can be used as a weapon. | null | null | Multiple Choice | a. true, b. false | a |
11,647 | NDQ_010849 | harmful bacteria | bacteria are so small, and there are so many, that they cannot be killed. | null | null | Multiple Choice | a. true, b. false | b |
11,648 | NDQ_010853 | harmful bacteria | which diseases are caused by bacteria? | null | null | Multiple Choice | a. strep throat, b. pneumonia, c. leprosy, d. all of the above | d |
11,649 | NDQ_010854 | harmful bacteria | lyme disease can be treated with | null | null | Multiple Choice | a. antibiotics, b. aspirin, c. advil, d. anti-lyme | a |
11,650 | NDQ_010855 | harmful bacteria | what foods may cause food poisoning? | null | null | Multiple Choice | a. scrambled eggs and raw meat, b. raw eggs and undercooked meat, c. raw meat and spoiled eggs, d. steak and eggs | b |
11,651 | NDQ_010856 | harmful bacteria | which of the following is an example of a biological weapon? | null | null | Multiple Choice | a. anthrax, b. anathrax, c. antibiothrax, d. anaphase | a |
11,652 | NDQ_010857 | harmful bacteria | what part of a bacterium can be deadly? | null | null | Multiple Choice | a. the cell wall, b. the cytoplasm, c. the spores, d. the nucleus | c |
11,653 | NDQ_010858 | health hazards of air pollution | over two million people die each year from issues related to air pollution. | null | null | Multiple Choice | a. true, b. false | a |
11,654 | NDQ_010859 | health hazards of air pollution | by using some precautions, indoor air pollution can usually be controlled. | null | null | Multiple Choice | a. true, b. false | a |
11,655 | NDQ_010863 | health hazards of air pollution | air pollution related respiratory disorders include | null | null | Multiple Choice | a. asthma, bronchitis, and emphysema., b. asthma, bronchitis, and lung cancer., c. heart disease and lung cancer, d. all of the above | a |
11,656 | NDQ_010864 | health hazards of air pollution | which of the following is a method to protect yourself from indoor air pollution? | null | null | Multiple Choice | a. Keep your home clean from mold., b. Never burn charcoal indoors., c. Place carbon monoxide detectors in the home., d. all of the above | d |
11,657 | NDQ_010865 | health hazards of air pollution | which of the following is a method to protect yourself from outdoor air pollution? | null | null | Multiple Choice | a. wear a mask indoors, b. don’t go outside, c. don’t use charcoal for cooking outdoors, d. all of the above | b |
11,658 | NDQ_010866 | health hazards of air pollution | which of the following is characterized by wheezing, coughing, and a feeling of constriction in the chest? | null | null | Multiple Choice | a. lung cancer, b. asthma, c. emphysema, d. the flu | b |
11,659 | NDQ_010867 | health hazards of air pollution | worldwide, there are more deaths linked to air pollution each year than to __________. | null | null | Multiple Choice | a. heart disease, b. cancer, c. car accidents, d. all of the above | c |
11,660 | NDQ_010868 | health of the digestive system | lots of people are allergic to shellfish. | null | null | Multiple Choice | a. true, b. false | a |
11,661 | NDQ_010869 | health of the digestive system | well over 10% of the worlds population has problems digesting milk. | null | null | Multiple Choice | a. true, b. false | a |
11,662 | NDQ_010873 | health of the digestive system | which are common foods that cause food allergies? | null | null | Multiple Choice | a. milk, nuts and apples, b. nuts, steak and eggs, c. milk, shellfish and bananas, d. grains, eggs and nuts | d |
11,663 | NDQ_010874 | health of the digestive system | methods to prevent foodborne illnesses include | null | null | Multiple Choice | a. cooking meats, poultry, fish, and eggs thoroughly., b. keeping cold foods hot and hot foods cold., c. the refrigeration of uncooked foods soon after a meal., d. all of the above | a |
11,664 | NDQ_010875 | health of the digestive system | which virus has caused foodborne illnesses on cruise ships? | null | null | Multiple Choice | a. hepatitis A virus, b. norovirus, c. Listeria, d. Salmonella | b |
11,665 | NDQ_010876 | health of the digestive system | symptoms of anaphylaxis include | null | null | Multiple Choice | a. a swollen throat., b. a rapid pulse., c. loss of consciousness., d. all of the above | d |
11,666 | NDQ_010877 | health of the digestive system | common food allergies include | null | null | Multiple Choice | a. tingling or itching of the stomach., b. swelling of the lips, face, tongue and throat., c. a severe drop in blood pressure., d. all of the above | b |
11,667 | NDQ_010878 | hearing and balance | hearing is the ability to sense sound. | null | null | Multiple Choice | a. true, b. false | a |
11,668 | NDQ_010879 | hearing and balance | our ears interpret the sounds that we hear. | null | null | Multiple Choice | a. true, b. false | b |
11,669 | NDQ_010883 | hearing and balance | what part of the ear is involved in maintaining balance? | null | null | Multiple Choice | a. the tympanic cavity, b. the cochlear nerve, c. the semicircular canals, d. all of the above | c |
11,670 | NDQ_010884 | hearing and balance | once sound waves enter the ear, vibrations pass from the eardrum to the | null | null | Multiple Choice | a. hammer., b. anvil., c. stirrup., d. oval window. | a |
11,671 | NDQ_010885 | hearing and balance | what part of the ear is lined with tiny hairs and filled with fluid? | null | null | Multiple Choice | a. the auditory canal, b. the Eustachian tube, c. the cochlea, d. the tympanic cavity | c |
11,672 | NDQ_010886 | hearing and balance | what part of the ear passes vibrations to the cochlea of the inner ear? | null | null | Multiple Choice | a. the oval window, b. the round window, c. the cochlear canal, d. the stapes | a |
11,673 | NDQ_010887 | hearing and balance | how is the signal relayed to the brain to tell the body to maintain balance? | null | null | Multiple Choice | a. The signal is sent through the cochlear nerve., b. The signal is sent through the vestibular nerve., c. The signal is sent through the Eustachian tube., d. The signal is sent through the semicircular canals. | b |
11,674 | NDQ_010888 | heart | the ventricles are more muscular than the atria. | null | null | Multiple Choice | a. true, b. false | a |
11,675 | NDQ_010889 | heart | valves in the heart keep the blood flowing in one direction. | null | null | Multiple Choice | a. true, b. false | a |
11,676 | NDQ_010893 | heart | what is the role of the semilunar valves? | null | null | Multiple Choice | a. To stop blood from moving from the arteries into the ventricles., b. To stop blood from moving from the ventricles to the atria., c. To stop blood from moving from the atria to the ventricles., d. To stop blood from moving from the artria to the veins. | a |
11,677 | NDQ_010894 | heart | what happens to the blood in the lungs? | null | null | Multiple Choice | a. Oxygen-poor blood releases oxygen and picks up carbon dioxide., b. Oxygen-poor blood releases carbon dioxide and picks up oxygen., c. Oxygen-rich blood releases oxygen and picks up carbon dioxide., d. Oxygen-rich blood releases carbon dioxide and picks up oxygen. | b |
11,678 | NDQ_010895 | heart | what part of the heart receives oxygen-poor blood from the body? | null | null | Multiple Choice | a. The left ventricle receives oxygen-poor blood from the body., b. The left atrium receives oxygen-poor blood from the body., c. The right atrium receives oxygen-poor blood from the body., d. The right ventricle receives oxygen-poor blood from the body. | c |
11,679 | NDQ_010896 | heart | what do you think would happen if a heart had a leaky av valve? | null | null | Multiple Choice | a. Blood would flow back from the ventricles to the atria., b. Blood would flow back from the atria to the ventricles, c. Blood would flow back from the veins to the atria., d. Blood would flow back from the arteries to the ventricles. | a |
11,680 | NDQ_010897 | heart | what do you think would happen if muscle cells contracted independently? | null | null | Multiple Choice | a. Only some of the blood would be pushed out., b. Blood would flow backwards into the heart., c. There would not be enough force to push the blood out., d. All of the above would be consequences. | c |
11,681 | NDQ_010898 | helpful bacteria | we need bacteria to survive. | null | null | Multiple Choice | a. true, b. false | a |
11,682 | NDQ_010899 | helpful bacteria | in your gut, bacteria cells outnumber your own cells. | null | null | Multiple Choice | a. true, b. false | a |
11,683 | NDQ_010903 | helpful bacteria | during fermentation, bacteria turn milk sugars into | null | null | Multiple Choice | a. carbon dioxide., b. oxygen., c. lactic acid., d. glucose. | c |
11,684 | NDQ_010904 | helpful bacteria | bacteria have been used to produce human versions of | null | null | Multiple Choice | a. lactic acid., b. insulin., c. nitrogen., d. yogurt. | b |
11,685 | NDQ_010905 | helpful bacteria | fermentation occurs in the absence of oxygen. fermentation allows glycolysis, the first step of cellular respiration, to continue, producing 2 atp in the process. lactic acid is produced in certain types of fermentation. what is the waste product in this process? | null | null | Multiple Choice | a. glucose, b. lactic acid, c. oxygen, d. ATP | b |
11,686 | NDQ_010906 | helpful bacteria | what process is used when placing a foreign gene into bacteria? | null | null | Multiple Choice | a. transformation, b. transduction, c. transcription, d. translation | a |
11,687 | NDQ_010907 | helpful bacteria | decomposers help recycle nutrients so organisms can use them. decomposers include scavengers like vultures, as well as many types of worms, fungi and bacteria. what nutrient does bacteria recycle? | null | null | Multiple Choice | a. vitamin C, b. vitamin D, c. magnesium, d. nitrogen | d |
11,688 | NDQ_010908 | hiv and aids | the development of aids can be delayed by well over 20 years with proper medicines. | null | null | Multiple Choice | a. true, b. false | a |
11,689 | NDQ_010909 | hiv and aids | hiv spreads through kissing. | null | null | Multiple Choice | a. true, b. false | b |
11,690 | NDQ_010913 | hiv and aids | why is donated blood safe from hiv? | null | null | Multiple Choice | a. People with HIV are prevented from donating blood., b. Donated blood is also tested to make sure it is does not contain HIV., c. HIV is removed from all donated blood., d. all of the above | b |
11,691 | NDQ_010914 | hiv and aids | without proper medicines, aids usually develops __________ years after a person is first infected with hiv. | null | null | Multiple Choice | a. 1 to 5, b. 5 to 10, c. 10 to 15, d. more than 20 | c |
11,692 | NDQ_010915 | hiv and aids | what continent is the hardest hit by hiv? | null | null | Multiple Choice | a. North America, b. Asia, c. Africa, d. Australia | c |
11,693 | NDQ_010916 | hiv and aids | what body fluid can spread hiv? | null | null | Multiple Choice | a. breast milk, b. sweat, c. saliva, d. All body fluids can spread HIV. | a |
11,694 | NDQ_010917 | hiv and aids | when does aids develop? | null | null | Multiple Choice | a. AIDS develops when a person with HIV catches a cold., b. AIDS develops when helper T cells fall to a very low level., c. AIDS develops when a person with HIV produces more virus., d. AIDS develops when the vaccine no longer works in that person. | b |
11,695 | NDQ_010918 | homeostasis | your body temperature drops on a cold day. | null | null | Multiple Choice | a. true, b. false | b |
11,696 | NDQ_010919 | homeostasis | your body temperature always tries to be around 98.6 degrees fahrenheit, even if it is very hot outside. | null | null | Multiple Choice | a. true, b. false | a |
11,697 | NDQ_010923 | homeostasis | your bodys internal thermostat is regulated by | null | null | Multiple Choice | a. negative feedback., b. positive feedback., c. homeostasis., d. receptors in the skin and the brain. | a |
11,698 | NDQ_010924 | homeostasis | which is an example of positive feedback? | null | null | Multiple Choice | a. maintaining stable blood glucose levels, b. the production of milk in a nursing mother, c. maintaining a stable body temperature, d. all of the above | b |
11,699 | NDQ_010925 | homeostasis | which hormone stimulates the removal of sugar from the blood? | null | null | Multiple Choice | a. glucose, b. glucagon, c. insulin, d. glycogen | c |
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