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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 utilizes the energy of inorganic materials such as water and carbon dioxide or the sun to manufacture organic materials






2. The evaporation of water from leaves or other exposed surfaces of plants






3. The cavity in the mammalian ovary in which the egg ripens






4. The fist stage of protein synthesis - in which the information coded in the DNA base is transcribed onto a strand of mRNA






5. The male gonads that produce sperm and male hormones






6. The biome located between the polar region and the tiaga






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






8. The exchange of parts of homologous chromosomes during meiosis






9. The study of organisms in relation to their environment






10. One of the two strands that constitute a chromosome; chromatids are held together by the centromere






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






12. One of a class of organic compounds that contains a molecular skeleton of four fused rings of carbon






13. A mutation involving the addition or loss of nucleotides






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






15. 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)






16. One of the paired lateral divisions of the forebrain






17. A category of taxonomic classification that is ranked above class and under kingdoms






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






19. An offspring that is heterozygous for one or more gene pairs






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






21. The law by which genes on different chromosomes are inherited independently of each other






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






23. Cycle in photosynthesis that reduces fixed carbon to carbohydrates through the addition of electrons ("dark cycle")






24. The largest portion of the human brain; it is believed to be the center of intelligence - conscious thought and sensation






25. Tissue formed by the differentiation of cambium that causes a growth in width of a plant system






26. The intake of fluid droplets into a cell






27. The reproductive organ that produces sex cells






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






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






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






31. The pairing of homologous chromosomes during meiosis






32. Fluid skeleton of annelids






33. A plant that has a single cotyledon or seed-leaf






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






35. The physical appearance or makeup of an individual - as opposed to its genetic makeup






36. Adrenaline






37. The hind portion of the forebrain of vertebrates






38. The ability of an organism to contribute its alleles and therefore is phenotypic traits to future generations






39. Any physical feature that prevents the ecological niches of different organisms from overlapping






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






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






42. Asexual reproduction; in this process - the parent organism splits into two equal daughter cells






43. The genetic makeup of an organism without regard to physical appearance






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






45. The outermost bone of the middle ear (hammer)






46. In mammals - the slitlike opening formed by the vocal folds in the larynx






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






48. Structures in the testes that produce sperm and semen






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






50. The outermost surface of an organism