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SAT Subject Test: Biology

Subjects : sat, science, biology
Instructions:
  • Answer 50 questions in 15 minutes.
  • If you are not ready to take this test, you can study here.
  • Match each statement with the correct term.
  • Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. The law by which genes on different chromosomes are inherited independently of each other






2. The separation of some members of a population from the rest of their species; prevents interbreeding and may lead to the development of a new species






3. The thin - bent part of the renal tubule that is the site of the counter-current flow and the sodium gradient






4. Unicellular organism with simple cell structure






5. The orderly process by which one biotic community replaces another until a climax community is established






6. The pressure exerted by the contents of a cell against the cell membrane or cell wall






7. Organism that consumes food from outside itself instead of producing it






8. Compounds in bile that aid in emulsification






9. An organism that must get its inorganic and organic raw materials from the environment; a consumer






10. A substance that prevents appreciable changes in pH in solutions to which small quantities of acids or bases are added






11. The transfer of pollen from the stamen to the pistil of the same flower






12. The transformation of an immature animal into an adult; a change in the form of an organ or structure






13. Degree of penetrability - as in membranes that allow given substances to pass through; the ability to penetrate






14. The hind portion of the forebrain of vertebrates






15. A stalklike or elongated body part - usually pointed at one end






16. One of a class of organic compounds that is composed of many amino acids; contains C - H - O and N






17. The stable - biotic part of the ecosystem in which populations exist in balance with each other and with the environment






18. An invertebrate animal phylum in which animals possess a single alimentary opening and tentacles with stinging cells






19. One of the paired lateral divisions of the forebrain






20. A tract of nerve fibers connecting the two cerebral hemispheres






21. A tube one cell thick that carries blood from artery to vein; the site of material exchange between the blood and tissues of the body






22. An enzyme from the pancreas that digests proteins in the small intestine






23. An organism that possesses one or more whiplike appendages called flagella






24. The functional role and position of an organism in an ecosystem; embodies every aspect of the organism's existence






25. A dominant allele suppresses the expression of the other member of an allele pair when both members are present






26. An organism that utilizes the energy of inorganic materials such as water and carbon dioxide or the sun to manufacture organic materials






27. A gland composed of two parts - anterior and posterior - each with its own secretions; called the "master gland" because its hormones stimulate secretions by other glands






28. A space in the cytoplasm of a cell that contains fluid






29. A plant that has two seed leaves or cotyledons






30. A structure of the eye that focuses images on the retina by changing its convexity






31. A disease-causing organism






32. A structure in animal cells containing centrioles from which the spindle fibers develop






33. One-thousandth of a millimeter; a unit of microscopic length






34. A duct through which the urine passes from the bladder to the outside






35. Globular proteins produced by tissues that destroy or inactivate antigens






36. A remnant of follicle after ovulation that secretes the hormone progesterone






37. A ductless gland that secretes hormones directly into the bloodstream






38. Requiring free oxygen from the atmosphere for normal activity and respiration






39. An abbreviation of nicotinamide-adenine-dinucleotide - also called DPN; a respiratory oxidation-reduction molecule






40. The space between the mesodermal layers that forms the body cavity of some animal phyla






41. Laws of classical genetics established through Mendel's experiments with peas






42. A carbohydrate that is composed of many monosaccharide units joined together






43. A structure formed by the wall of the uterus and the chorion of the embryo; serves as the area in which the embryo obtains nutrition from the parent






44. The failure of some homologous pairs of chromosomes to separate following meiotic synapsis






45. The part of the hindbrain located in the brain stem






46. The phylum to which segmented worms belong






47. Comprises somatic and autonomic nervous systems; consists of cranial nerves and spinal nerves






48. A thyroid deficiency that results in stunted growth and feeblemindedness






49. A foreign protein that stimulates the production of antibodies when introduced into the body of an organism






50. A bundle of nerve axons