Test your basic knowledge |

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 science of classification of living things






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






3. A kind of white blood cell in vertebrates that is characterized by a rounded nucleus; involved in the immune response






4. A plant that belongs to the class of seed plants in which the seeds are not enclosed in an ovary; includes the conifers






5. Self-digestion occurring in plant and animal tissues - particularly after they have ceased to function properly






6. An air sac in the lung; the site of respiratory exchange - involving diffusion of oxygen and carbon dioxide between the air in the alveolus and the blood in the capillaries






7. Undifferentiated tissue in the stem of a plant that aids growth in width






8. The place of attachment of the mitotic fiber to the chromosome






9. A relationship in which one organism benefits at the expense of another






10. A resistance to disease developed through the immune system






11. Involuntary muscle






12. Technology that allows for manipulation of genetic material






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






14. A lateral region of the forebrain






15. The external opening of the trachea in insects






16. The phylum to which jointed-legged invertebrates belong - including insects - arachnids and crustaceans






17. A behavioral or biological change that enables an organism to adjust to its environment






18. A structure that extends from the trunk of an organism and is capable of active movements






19. An enzyme that acts upon sucrose






20. Describes arthropods and other animals whose skeletal or supporting structures are outside the skin






21. A complex carrier mechanism located on the inside of the inner mitochondrial membrane of the cell; releases energy and is used to form ATP






22. The inner layer of an organ surrounded by the cortex






23. The separation of homologous pairs of chromosomes following meiotic synapsis






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






25. A pyrimidine found in RNA (but not DNA); pairs with DNA adenine






26. The outer - transparent layer of the eye






27. The coagulation of blood caused by the rupture of platelets and the interaction of fibrin - fibrinogen - thrombin - prothrombin and calcium ions






28. A progressive change from which a permanently more mature or advanced state results






29. An enzyme that acts upon maltose and converts it into glucose






30. The enzyme that acts upon lactose






31. The liquid part of blood






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






33. The intake of food from the environment into the alimentary canal






34. Organism that produces its own food; first stage in the food chain






35. A plant-eating animal






36. Membranous organelles involved in the storage and modification of secretory products






37. The process by which environmental patterns or objects presented to a developing organism during a "critical period" of its growth is accepted as a permanent element of its behavior






38. A resistance to disease produced through the injection of antibodies






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






40. A 12-carbon sugar that is formed by the union of two glucose units (a disaccharide)






41. Different relationships that are formed in proteins between the original sequence of amino acids and more complex three-dimensional compounds






42. The thin-walled anterior chamber of the heart (also called the auricle)






43. The smallest particle that is capable of carrying out photosynthesis; the functional unit of a chloroplast






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






45. 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






46. The exchange of parts of homologous chromosomes during meiosis






47. The solid ball of cells the results from cleavage of an egg; a solid blastula that precedes the blastula stage






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






49. A nerve fiber






50. Occurs when certain traits are determined by genes on sex chromosomes