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11,800 | NDQ_011296 | kidneys | each kidney has up to 1,000 individual filtering units. | null | null | Multiple Choice | a. true, b. false | b |
11,801 | NDQ_011297 | kidneys | the kidneys only work when you are awake. | null | null | Multiple Choice | a. true, b. false | b |
11,802 | NDQ_011301 | kidneys | what is the first step in urine formation? | null | null | Multiple Choice | a. Blood flows into the kidney through the urethra., b. Blood flows into the kidney through the renal vein., c. Blood flows into the kidney through the renal artery., d. Blood flows into the kidney through the nephron. | c |
11,803 | NDQ_011302 | kidneys | what is the functional unit of the kidney? | null | null | Multiple Choice | a. the urethra, b. the nephron, c. the renal gland, d. the kidney gland | b |
11,804 | NDQ_011303 | kidneys | which best describes the blood that leaves the kidney? | null | null | Multiple Choice | a. The blood that leaves the kidney has much less waste than the blood that, b. The blood that leaves the kidney has much less oxygen than the blood that entered the kidney., c. The blood that leaves the kidney has much less carbon dioxide than the blood that entered the kidney., d. all of the above | a |
11,805 | NDQ_011304 | kidneys | what leaves the capillaries during the filtration process? | null | null | Multiple Choice | a. blood, b. oxygen, c. water, salts, sugars, and urea, d. all of the above | c |
11,806 | NDQ_011305 | kidneys | each day, how much fluid is filtered by the kidneys? | null | null | Multiple Choice | a. 18 liters, b. 180 liters, c. 1,800 liters, d. 180,000 liters | c |
11,807 | NDQ_011326 | light reactions of photosynthesis | chloroplasts are one of the main differences between plant and animal cells. | null | null | Multiple Choice | a. true, b. false | a |
11,808 | NDQ_011327 | light reactions of photosynthesis | photosynthesis can only occur during daylight hours. | null | null | Multiple Choice | a. true, b. false | a |
11,809 | NDQ_011331 | light reactions of photosynthesis | what molecules are necessary to begin photosynthesis? | null | null | Multiple Choice | a. carbon dioxide and oxygen, b. carbon dioxide and water, c. glucose and oxygen, d. glucose and water | b |
11,810 | NDQ_011332 | light reactions of photosynthesis | which best describes chlorophyll? | null | null | Multiple Choice | a. Chlorophyll carries water from the roots to the leaves., b. Carbon dioxide enters the leaf through chlorophyll., c. Chlorophyll is the green pigment in leaves that captures energy from the sun., d. Chlorophyll is the site of photosynthesis in the leaf cell. | c |
11,811 | NDQ_011333 | light reactions of photosynthesis | which of the following does not occur during the light reactions? | null | null | Multiple Choice | a. Energy is transferred to ATP and NADPH., b. Energy from sunlight is absorbed., c. Glucose is produced from carbon dioxide., d. Water is used and oxygen is produced. | c |
11,812 | NDQ_011334 | light reactions of photosynthesis | what is the waste product of the photosynthesis process? | null | null | Multiple Choice | a. glucose, b. carbon dioxide, c. water, d. oxygen | d |
11,813 | NDQ_011335 | light reactions of photosynthesis | which of the following is true concerning glucose? | null | null | Multiple Choice | a. Glucose can be considered the “food” of plants., b. Glucose is a simple sugar molecule., c. Glucose can be used to store energy in large molecules, such as starch., d. All of the above are true concerning glucose. | d |
11,814 | NDQ_011336 | limiting factors to population growth | limiting factors to population growth raise death rates. | null | null | Multiple Choice | a. true, b. false | a |
11,815 | NDQ_011337 | limiting factors to population growth | as the population increases, resource availability decreases. | null | null | Multiple Choice | a. true, b. false | a |
11,816 | NDQ_011341 | limiting factors to population growth | when graphed, exponential growth looks like a | null | null | Multiple Choice | a. I-shaped curve., b. S-shaped curve., c. J-shaped curve., d. X-shaped curve. | c |
11,817 | NDQ_011342 | limiting factors to population growth | when organisms face limiting factors, | null | null | Multiple Choice | a. they have exponential growth., b. they have logistic growth., c. they have carrying capacity growth., d. they have stable growth. | b |
11,818 | NDQ_011343 | limiting factors to population growth | when organisms face limiting factors, | null | null | Multiple Choice | a. the death rate increases., b. the birth rate decreases., c. they have increased migration., d. all of the above | d |
11,819 | NDQ_011344 | limiting factors to population growth | a small population will most likely | null | null | Multiple Choice | a. have exponential growth., b. have plenty of food to eat., c. have plenty of space to live., d. all of the above | d |
11,820 | NDQ_011345 | limiting factors to population growth | carrying capacity is reached | null | null | Multiple Choice | a. when birth rates and death rates become stable., b. when there is not enough food., c. as the population grows., d. all of the above | a |
11,821 | NDQ_011366 | male reproductive structures | the epididymis is over 20 feet long in adult males. | null | null | Multiple Choice | a. true, b. false | a |
11,822 | NDQ_011367 | male reproductive structures | the testes store sperm until they leave the body. | null | null | Multiple Choice | a. true, b. false | b |
11,823 | NDQ_011371 | male reproductive structures | what is the organ where sperm cells mature? | null | null | Multiple Choice | a. testes, b. epididymis, c. vas deferens, d. penis | b |
11,824 | NDQ_011372 | male reproductive structures | what organ allows sperm cells to travel to the urethra? | null | null | Multiple Choice | a. testes, b. epididymis, c. vas deferens, d. penis | c |
11,825 | NDQ_011373 | male reproductive structures | semen is formed with a fluid secreted by the | null | null | Multiple Choice | a. testes., b. epididymis., c. vas deferens., d. prostate gland. | d |
11,826 | NDQ_011374 | male reproductive structures | what organ or gland surrounds the urethra just below the bladder? | null | null | Multiple Choice | a. the testes, b. the vas deferens, c. the Cowper’s gland, d. the prostate gland | d |
11,827 | NDQ_011375 | male reproductive structures | what organ or gland sits on top of the testes? | null | null | Multiple Choice | a. the prostate gland, b. the vas deferens, c. the epididymis, d. the scrotum | c |
11,828 | NDQ_011376 | male reproductive system | of all the organ systems, the reproductive system is the only one with significant differences between males and females. | null | null | Multiple Choice | a. true, b. false | a |
11,829 | NDQ_011377 | male reproductive system | males make some of the female sex hormone estrogen. | null | null | Multiple Choice | a. true, b. false | a |
11,830 | NDQ_011381 | male reproductive system | what is the role of testosterone during the teen years? | null | null | Multiple Choice | a. causes male traits to develop, b. causes the reproductive organs to mature, c. allows for muscle growth, d. all of the above | d |
11,831 | NDQ_011382 | male reproductive system | what is the role of testosterone during adulthood? | null | null | Multiple Choice | a. helps in sperm production, b. causes male traits to develop, c. causes the reproductive organs to mature, d. all of the above | a |
11,832 | NDQ_011383 | male reproductive system | what process forms sperm cells? | null | null | Multiple Choice | a. mitosis, b. meiosis, c. the cell cycle, d. fertilization | b |
11,833 | NDQ_011384 | male reproductive system | how many chromosomes are in a human sperm cell? | null | null | Multiple Choice | a. 1, b. 2, c. 23, d. 46 | c |
11,834 | NDQ_011385 | male reproductive system | what is a gamete? | null | null | Multiple Choice | a. a haploid sex cell, b. a reproductive cell, c. a sperm or egg cell, d. all of the above | d |
11,835 | NDQ_011456 | menstrual cycle | an egg can be fertilized any day of the monthly cycle. | null | null | Multiple Choice | a. true, b. false | b |
11,836 | NDQ_011457 | menstrual cycle | during menstruation, bleeding occurs as tissue breaks away from the uterus. | null | null | Multiple Choice | a. true, b. false | a |
11,837 | NDQ_011461 | menstrual cycle | the uterus thickens each month | null | null | Multiple Choice | a. to allow the unfertilized egg to easily flow through., b. so it can accept a fertilized egg., c. to lessen menstruation., d. to allow ovulation to occur. | b |
11,838 | NDQ_011462 | menstrual cycle | if an egg is not fertilized, | null | null | Multiple Choice | a. the uterus lining breaks down., b. the uterus lining thickens., c. ovulation occurs., d. menstruation stops. | a |
11,839 | NDQ_011463 | menstrual cycle | the monthly cycle stops | null | null | Multiple Choice | a. never., b. while the egg is flowing through the uterus., c. during ovulation., d. during pregnancy. | d |
11,840 | NDQ_011464 | menstrual cycle | menstruation usually lasts about | null | null | Multiple Choice | a. 1 day., b. 4 days., c. 14 days, d. 28 days | b |
11,841 | NDQ_011465 | menstrual cycle | how long is the normal monthly cycle? | null | null | Multiple Choice | a. 14 days., b. 28 days., c. 30 days., d. There is no normal cycle length. | d |
11,842 | NDQ_011476 | microscopes | microscopes have been around for over 400 years. | null | null | Multiple Choice | a. true, b. false | a |
11,843 | NDQ_011477 | microscopes | antoine van leeuwenhoek discovered the cell by looking at cork through a microscope. | null | null | Multiple Choice | a. true, b. false | b |
11,844 | NDQ_011481 | microscopes | who is known as the father of microscopy? | null | null | Multiple Choice | a. Zaccharias Janssen, b. Robert Hooke, c. Antoine van Leeuwenhoek, d. Antoine Hooke | c |
11,845 | NDQ_011482 | microscopes | who discovered single-celled protists? | null | null | Multiple Choice | a. Zaccharias Janssen, b. Robert Hooke, c. Antoine van Leeuwenhoek, d. Antoine Hooke | c |
11,846 | NDQ_011483 | microscopes | what type of microscope would allow scientists to find the shape and surface texture of small objects? | null | null | Multiple Choice | a. light microscope, b. transmission electron microscope, c. scanning electron microscope, d. scanning acoustic microscope | c |
11,847 | NDQ_011484 | microscopes | which of the following is a protist? | null | null | Multiple Choice | a. a palm tree, b. a ladybug, c. a mushroom, d. None of the above are protists. | d |
11,848 | NDQ_011485 | microscopes | the most powerful light microscopes can make images up to __________ times larger. | null | null | Multiple Choice | a. 20, b. 200, c. 2,000, d. 20,000 | c |
11,849 | NDQ_011521 | mollusks | pearls are produced by mollusks. | null | null | Multiple Choice | a. true, b. false | a |
11,850 | NDQ_011522 | mollusks | mollusks are the only organisms to have a radula. | null | null | Multiple Choice | a. true, b. false | a |
11,851 | NDQ_011526 | mollusks | the mollusk shell is formed by the | null | null | Multiple Choice | a. radula., b. mantle., c. chitin., d. gills. | b |
11,852 | NDQ_011527 | mollusks | the foot of a squid is probably used for | null | null | Multiple Choice | a. movement along a surface., b. burrowing into the sand., c. jet-propulsion., d. all of the above | c |
11,853 | NDQ_011528 | mollusks | what parts of the mollusk contain chitin? | null | null | Multiple Choice | a. the shell and mantle, b. the shell and the radula, c. the radula and the mantle, d. the gills and the mantle cavity | b |
11,854 | NDQ_011529 | mollusks | the head region of a mollusk contains the | null | null | Multiple Choice | a. gills and mantle cavity., b. the foot and tentacles., c. the tentacles and radula., d. the stomach and the radula. | c |
11,855 | NDQ_011530 | mollusks | what type of worms are most closely related to mollusks? | null | null | Multiple Choice | a. flatworms, b. roundworms, c. segmented worms, d. shelled worms | c |
11,856 | NDQ_011531 | muscles and exercise | anaerobic exercises such as running, increase muscle strength. | null | null | Multiple Choice | a. true, b. false | b |
11,857 | NDQ_011532 | muscles and exercise | regular physical exercise can prevent lifestyle diseases. | null | null | Multiple Choice | a. true, b. false | a |
11,858 | NDQ_011536 | muscles and exercise | what is the goal of flexibility exercises? | null | null | Multiple Choice | a. to increase cardiovascular health, b. to increase muscle strength, c. to improve the range of motion of muscles and joints, d. to increase the efficient use of oxygen | c |
11,859 | NDQ_011537 | muscles and exercise | how to anaerobic exercises work on muscles? | null | null | Multiple Choice | a. Anaerobic exercises allow the muscle to use oxygen more efficiently., b. Anaerobic exercises use a resistance against which the muscle has to work., c. Anaerobic exercises train the heart to pump blood more efficiently., d. all of the above | b |
11,860 | NDQ_011538 | muscles and exercise | which of the following are aerobic activities? | null | null | Multiple Choice | a. basketball and tennis, b. weight training and sprinting, c. downhill skiing, d. mowing lawn and shoveling snow | d |
11,861 | NDQ_011539 | muscles and exercise | what diseases can be reduced or prevented with regular exercise? | null | null | Multiple Choice | a. heart disease, b. type II diabetes, c. some types of cancer, d. all of the above | d |
11,862 | NDQ_011540 | muscles and exercise | why is it important to warm-up before any intense physical activity? | null | null | Multiple Choice | a. to prevent muscle strains and tendinitis, b. to increase the heart rate, c. to increase blood flow to the muscles, d. all of the above | d |
11,863 | NDQ_011541 | muscles bones and movement | when smooth muscles contract, bones move. | null | null | Multiple Choice | a. true, b. false | b |
11,864 | NDQ_011542 | muscles bones and movement | tendons join two bones to each other. | null | null | Multiple Choice | a. true, b. false | b |
11,865 | NDQ_011546 | muscles bones and movement | the biceps work together with the | null | null | Multiple Choice | a. pectorals., b. triceps., c. quadriceps., d. muscles. | b |
11,866 | NDQ_011547 | muscles bones and movement | which muscles are used to move the arms forward and backward? | null | null | Multiple Choice | a. quadriceps and pectorals., b. biceps and triceps., c. pectorals and trapezius., d. biceps and pectorals. | c |
11,867 | NDQ_011548 | muscles bones and movement | which muscles are used to bend the knee? | null | null | Multiple Choice | a. quadriceps and hamstrings, b. pectorals and trapezius, c. hamstrings and trapezius, d. quadriceps and pectorals | a |
11,868 | NDQ_011549 | muscles bones and movement | if your heart contracts 75 times a minute, how many times does it contract each day? | null | null | Multiple Choice | a. about 2,000, b. about 10,000, c. slightly over 100,000, d. about 1,000,000 | c |
11,869 | NDQ_011550 | muscles bones and movement | which of the following are functions of smooth muscle? | null | null | Multiple Choice | a. helps a woman to push out her baby, b. regulates air flow in lungs, c. move food through the digestive tract, d. all of the above | d |
11,870 | NDQ_011551 | mutations | a mutation is a change in the dna sequence. the change is always harmful. | null | null | Multiple Choice | a. true, b. false | b |
11,871 | NDQ_011552 | mutations | deletions occur when a segment of dna is repeated. | null | null | Multiple Choice | a. true, b. false | b |
11,872 | NDQ_011556 | mutations | what type of mutation occurs when a segment of dna is flipped and then reattached to the same chromosome? | null | null | Multiple Choice | a. deletion, b. inversion, c. insertion, d. translocation | b |
11,873 | NDQ_011557 | mutations | what type of mutation is the following: caggttgcaag to cagttgcaag | null | null | Multiple Choice | a. deletion, b. frameshift mutation, c. point mutation, d. all of the above | d |
11,874 | NDQ_011558 | mutations | which best describes a translocation? | null | null | Multiple Choice | a. A segment of DNA moves from chromosome 8 to chromosome 2., b. A segment of DNA from chromosome 8 is lost., c. A segment of DNA from chromosome 2 is repeated., d. A segment of DNA from chromosome 8 is swapped with a segment from | d |
11,875 | NDQ_011559 | mutations | what type of mutation is the following: agttaccaggc to agtttaccaggc | null | null | Multiple Choice | a. deletion, b. inversion, c. insertion, d. translocation | c |
11,876 | NDQ_011560 | mutations | why are chromosomal mutations dangerous? | null | null | Multiple Choice | a. Chromosomal mutations are going to be fairly large, possible affecting many, b. Chromosomal mutations always result in deletions., c. Chromosomal mutations are always frameshift mutations., d. all of the above | a |
11,877 | NDQ_011561 | nails and hair | hair and nails are the two main components of the integumentary system. | null | null | Multiple Choice | a. true, b. false | b |
11,878 | NDQ_011562 | nails and hair | nails are like the claws of animals. | null | null | Multiple Choice | a. true, b. false | a |
11,879 | NDQ_011566 | nails and hair | what animals, other than mammals, have hair? | null | null | Multiple Choice | a. amphibians, b. reptiles, c. birds, d. None, mammals are the only animals to have hair. | d |
11,880 | NDQ_011567 | nails and hair | about how fast does hair grow? | null | null | Multiple Choice | a. 6 feet a year, b. 1 inch a week, c. 6 inches a month, d. 6 inches a year | d |
11,881 | NDQ_011568 | nails and hair | what keeps hair and nails strong? | null | null | Multiple Choice | a. the protein chitin, b. the protein keratin, c. the carbohydrate chitin, d. washing your hair daily and your hands often | b |
11,882 | NDQ_011569 | nails and hair | in humans, hair grows everywhere except | null | null | Multiple Choice | a. the soles of the feet., b. the lips., c. the palms of the hands., d. All of the above are areas without hair. | d |
11,883 | NDQ_011570 | nails and hair | roles of nails include all of the following except | null | null | Multiple Choice | a. the protection of the fingers and toes., b. maintaining warmth., c. sensing the environment., d. All of the above are roles of nails. | b |
11,884 | NDQ_011591 | nervous system | the brain is part of the nervous system. | null | null | Multiple Choice | a. true, b. false | a |
11,885 | NDQ_011592 | nervous system | hormones are made by the nervous system. | null | null | Multiple Choice | a. true, b. false | b |
11,886 | NDQ_011596 | nervous system | what two organ systems control all the other systems? | null | null | Multiple Choice | a. the nervous and skeletal systems, b. the nervous and muscular systems, c. the nervous and endocrine systems, d. the muscular and endocrine systems | c |
11,887 | NDQ_011597 | nervous system | which of the following is a role of the nervous system? | null | null | Multiple Choice | a. To sense your surroundings with your eyes and other sense organs., b. To control your internal body systems and keep them in balance., c. To use language, think, learn, and remember., d. all of the above | d |
11,888 | NDQ_011598 | nervous system | what are the two main organs of the nervous system? | null | null | Multiple Choice | a. the heart and brain, b. the brain and spinal cord, c. the spinal cord and the nerves, d. the brain and nerves | b |
11,889 | NDQ_011599 | nervous system | which of the following are parts of the nervous system? | null | null | Multiple Choice | a. your eyes and other sense organs, b. your heart, which beats faster in an emergency, c. your skin, which senses the environment, d. all of the above | a |
11,890 | NDQ_011600 | nervous system | how does the nervous system help maintain homeostasis? | null | null | Multiple Choice | a. The nervous system prepares your body to fight or flee., b. The nervous system senses the environment inside of your body, including, c. The nervous system senses your surroundings., d. all of the above | b |
11,891 | NDQ_011601 | non infectious reproductive system disorders | all reproductive system disorders are caused by pathogens. | null | null | Multiple Choice | a. true, b. false | b |
11,892 | NDQ_011602 | non infectious reproductive system disorders | injuries to the testes most often occur while playing sports. | null | null | Multiple Choice | a. true, b. false | a |
11,893 | NDQ_011606 | non infectious reproductive system disorders | this is one of the most common disorders in females. | null | null | Multiple Choice | a. vaginitis, b. yeast infection, c. ovarian cyst, d. breast cancer | a |
11,894 | NDQ_011607 | non infectious reproductive system disorders | cancer of the testes is most common in males aged | null | null | Multiple Choice | a. 20 to 35., b. 15 to 30., c. 15 to 35., d. 25 to 50. | c |
11,895 | NDQ_011608 | non infectious reproductive system disorders | painful menstrual periods can be eased with | null | null | Multiple Choice | a. a warm bath or heating pad., b. exercise., c. pain relievers., d. all of the above | d |
11,896 | NDQ_011609 | non infectious reproductive system disorders | these disorders are serious and usually require surgery. | null | null | Multiple Choice | a. large ovarian cysts, b. breast cancer, c. severe yeast infections, d. both (a | d |
11,897 | NDQ_011610 | non infectious reproductive system disorders | disorders like vaginitis and ovarian cysts are passed from person to person through | null | null | Multiple Choice | a. the blood., b. sexual contact., c. both of the above, d. They cannot be passed from person to person. | d |
11,898 | NDQ_011621 | nonrenewable resources | two main types of nonrenewable resources are fossil fuels and nuclear power. | null | null | Multiple Choice | a. true, b. false | a |
11,899 | NDQ_011622 | nonrenewable resources | it is possible that by the year 2055, the worlds oil reserves will be gone. | null | null | Multiple Choice | a. true, b. false | a |
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