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






2. The ways in which organisms regulate their internal heat






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






4. A sex or reproductive cell that must fuse with another of the opposite type to form a zygote






5. Nonliving - as in the physical environment






6. The small granular body within the centrosome to which the spindle fibers attach






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






8. A female sex hormone secreted by the follicle






9. An organ that stores urine temporarily before it is excreted






10. One of a group of compounds that is identical in a atomic composition - but different in structure and arrangement






11. Waves of contraction and relaxation passing along a tubular structure - such as the digestive tube






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






13. A typical coelenterate individual with a hollow tubular body whose outer ectoderm is separated from its inner ectoderm by mesoglea






14. Living or active in the absence of free oxygen; pertaining to respiration that is independent of oxygen






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






16. A process of formation of ova






17. The pairing of homologous chromosomes during meiosis






18. The cellular layer that covers external and internal surfaces






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






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






21. A kingdom of unicellular living organisms that are neither animals nor plants; includes some groups of algae - slime molds and protozoa






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






23. An enzyme that acts upon sucrose






24. The second filial generation; offspring resulting from the crossing of individuals of the F1 generation






25. The fluid that remains after fibrinogen is removed from the blood plasma of vertebrates






26. A wall composed of cellulose that is external to the cell membrane in plants; it is primarily involved in support and in the maintenance of proper internal pressure






27. An "emergency" hormone stimulated by anger or fear; increase blood pressure and heart rate in order to supply the emergency needs of the muscles






28. Daily cycles of behavior






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






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






31. An endocrine gland of vertebrates - usually paired - and located near or within the thyroid that secretes parathormone - which controls the metabolism of calcium






32. The male gonads that produce sperm and male hormones






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






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






35. A sugar composed of two combined monosaccharides






36. Genetic blending; each allele exerts some influence on the phenotype






37. A sensory hair structure in the utriculus and the sacculus of the inner ear; orients the head with respect to gravity






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






39. The inner portion of the cytoplasm of a cell or the portion that surrounds the nucleus






40. The intake of fluid droplets into a cell






41. The study of all living processes - activities and functions






42. A mature ovary






43. A microscopic - whiplike filament that serves as a locomotor structure in flagellate cells






44. A flowering plant with simple dry fruit - characterized by nodes on their roots that contain nitrogen-fixing bacteria






45. The class of free-living flatworms






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






47. A hormone that ripens fruit and induces aging






48. The transfer of a piece of chromosome to another chromosome






49. A plant growth hormone






50. The phylum of sponges