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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 organism that possesses one or more whiplike appendages called flagella






2. A pouched mammal - such as the kangaroo or opossum






3. A plant-eating animal






4. A network of membrane-enclosed spaces connected with the nuclear membrane; transports materials through the cell; can be soft or rough






5. Hormone active in osmoregulation; a mineral corticoid produced by the adrenal cortex; stimulates reabsorption of Na+ and secretion of K+






6. A cell resulting from the fusion of gametes






7. The outermost embryonic germ layer that gives rise to the epidermis and the nervous system






8. The womb in which the fetus develops






9. Fluid in the eye - found between the cornea and the lens






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






11. The dorsal part of the hip girdle






12. The ways in which organisms regulate their supply of water






13. An organic nutrient required by organisms in small amounts to aid in proper metabolic processes






14. A motile - multinucleate mass of protoplasm resulting from fusion of uninuclear amoeboid cells






15. An anucleate red blood cell that contains hemoglobin






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






17. A dark-staining small body within the nucleus; composed of RNA






18. Describes two or more structures that have similar forms - positions and origins despite the differences between their current functions






19. The passive - rhythmical expansion or dilation of the cavities of the heart (atria or ventricles) that allows these organs to fill with blood; preceded and followed by systole (contraction)






20. An organism that produces spores; a phase in the diploid-haploid life cycle that alternates with a gametophyte phase






21. Secreted by the anterior pituitary gland - this hormone stimulates the conversion of a follicle into the corpus luteum and the secretion of progesterone by the corpus luteum






22. An ion with a positive charge - or an ion that migrates towards the cathode (negative electrode) in an electric field






23. An animal phylum in which all members have a notochord - dorsal nerve cord and pharyngeal gill slits at some embryonic stage; includes the Cephalochordata and the Vertebrates






24. A marine biome typical of the open seas






25. The swelling at the end of an axon






26. A plant that has two seed leaves or cotyledons






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






28. A structure that arises during mitosis and helps separate the chromosomes; composed of tubulin






29. The intake of fluid droplets into a cell






30. The enzyme that acts upon lactose






31. A response by an organism to the duration and timing of light and dark conditions






32. The removal of hydrogen or electrons from a compound or addition of oxygen; half of a redox (oxidation or reduction) process






33. The part of the flower that bears the female gametophyte






34. Pertaining to the head






35. A short - stubby rod consisting of chromatin that is found in the nucleus of the cells; contains the genetic or hereditary component of cells (in the form of genes)






36. Partially digested food in the stomach






37. A portion of the CNS consisting of cytons (cell bodies) - their dendrites and synaptic connections






38. The veins that carry blood from the digestive organs to the liver






39. A ring-shaped muscle that is capable of closing a tubular opening by constriction






40. The transfer of pollen to the micropyle or to a receptive surface that is associated with an ovule (such as stigma)






41. A fat or oil






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






43. A nerve fiber






44. The process by which a certain function is regulated by the amount of the substance it produces






45. The removal of an amino group from an organism - particularly from an amino acid






46. A small projection in the walls of the small intestine that increases the surface area available for absorption






47. A "seed leaf"; responsible for food digestion and storage in plant embryo






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






49. The creation of certain strains of specific traits through control of breeding






50. An association between an algae and a fungus that is symbiotic and mutualistic in nature






Can you answer 50 questions in 15 minutes?



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