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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. An antipathogenic substance (e.g. - penicillin)






2. A specialized structure that leads to the digestive tract of a developing organism and provides it with food during early development






3. Describes structures that have similar function but different evolutionary origins; e.g. - a bird's wing and a moth's wing






4. A unit of heat; the amount of heat required to raise the temperature of one gram of water by one degree centigrade






5. A nitrogen base that is present in nucleotides and nucleic acids; it is paired with guanine






6. Protein threads that form in the blood during clotting






7. The portion of a DNA molecule that serves as a unit of heredity; found on the chromosome






8. A plant-eating animal






9. Blood vessels located between ascending and descending aortas that deliver blood to most of the upper body






10. A vacuole in the cytoplasm in which digestion takes place (in protozoans)






11. The process by which carbohydrates are formed through chemical energy; found in bacteria






12. A nerve fiber






13. A duct that carries urine from the kidneys to the bladder






14. There are two kinds of sex chromosomes - X and Y; XX signifies a female and XY signifies a male






15. An organic molecule consisting of joined phosphate - 5-carbon sugar (deoxyribose or ribose) - and a purine or a pyrimidine (adenine - guanine - uracil - thymine or cytosine)






16. The portion of seed plant embryo above the cotyledon






17. Unicellular organism with simple cell structure






18. Any chromosome that is not a sex chromosome






19. Process of aerobic respiration that fully harvests the energy of glucose; also known as the citric acid cycle






20. A substance that is acted upon by an enzyme






21. A pair of chromosome pairs present during the first metaphase of meiosis






22. The first filial generation (first offspring)






23. A form of anaerobic respiration found in yeast and bacteria






24. An accumulation of axons within the CNS that is white because it is fatty - myelin sheath






25. The stage in mitosis that is characterized by the migration of chromatids to opposite ends of the cell; the stage in meiosis during which homologus pairs migrate (Anaphase I) - and the stage in meiosis during which chromatids migrate to different end






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






27. The study of the evolutionary descent and interrelations of groups of organisms






28. A colloidal system involving the dispersion of a liquid within a liquid






29. A plant that has two seed leaves or cotyledons






30. The innermost tissue layer of the eyeball that contains light-sensitive receptor cells






31. A bony or chitinous case or shield covering the back or part of the back of an animal (shell of a crab)






32. The hormone secreted by the corpus luteum of vertebrates and the placenta of mammals; its function is to maintain the endometrium






33. The part of the neuron that transmits impulses to the cell body






34. The sac in the ovary in which the egg develops






35. The vascular tissue of a plant that transports organic materials (photosynthetic products) from the leaves to other parts of the plant






36. A cell in the retina that is sensitive to colors and is responsible for color vision






37. A symbol that denotes the relative concentration of hydrogen ions in a solution






38. A hormone of the thyroid that regulates basal metabolism






39. The description of a plant life cycle that consists of a diploid - asexual - sporophyte generation and a haploid - sexual - gametrophyte generation






40. The phylum to which segmented worms belong






41. The instance of polymorphism in which there is a difference of form between two members of a species - as between males and females






42. Organelles that serve as specialized containers for metabolic reactions






43. The type of mating that occurs when an organism selects a mating partner that resembles itself






44. The haploid - sexual stage in the life cycle of plants






45. A network of capillaries in the Bowman's capsules of the kidney






46. A process by which the vesicle in the cell fuses with the cell membrane and releases its contents to the outside






47. A kind of microorganism that is between a virus and a bacterium; parasitic within the cells of insects and ticks






48. Anaerobic respiration the yields 2 molecules of ATP - lactic acid - ethyl alcohol and carbon dioxide or some similar compound via the glycolytic pathway






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






50. Any movement or growth of a living organism in response to the force of gravity







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