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






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






3. The portion of alimentary canal in which some protein digestion occurs






4. Describes a fluid that has a lower osmotic pressure than a fluid it is compared to






5. An individual that is heterozygous for only one trait






6. The male gonads that produce sperm and male hormones






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






8. An antigen in blood; can cause erythroblastosis fetalis when the mother is Rh- and the fetus is Rh+






9. The exchange of parts of homologous chromosomes during meiosis






10. The pairing of homologous chromosomes during meiosis






11. A simple sugar






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






13. The thin - bent part of the renal tubule that is the site of the counter-current flow and the sodium gradient






14. Describes a fluid that has the same osmotic pressure as a fluid it is compared to






15. An organism that is heterozygous for two different traits






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






17. The outermost surface of an organism






18. 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






19. A dense fluid within the chloroplast in which CO2 is converted into sugars in photosynthesis






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






21. The junction or gap between the axon terminal of one neuron and the dendrites of another neuron






22. The study of form and structure






23. The mammalian oviduct that leads from the ovaries to the uterus






24. Pertaining to a subdivision of the autonomic nervous system






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






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






27. The pressure exerted by the contents of a cell against the cell membrane or cell wall






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






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






30. 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






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






32. A hormonal secretion of the adrenal cortex






33. A family tree depicting the inheritance of a particular genetic trait over several generations






34. A bone of the upper arm






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






36. Adrenaline






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






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






39. Describes organisms that are cooperative in action - such as hormones or other growth factors that reinforce each other's activity






40. A lateral region of the forebrain






41. A neuron that picks up impulses from receptors and transmits them to the spinal cord






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






43. The cavity between the lungs and the wall of the chest






44. A reproductive cell






45. Laws of classical genetics established through Mendel's experiments with peas






46. A ductless gland that secretes hormones directly into the bloodstream






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






48. Chemical groups attached to carbon skeletons that give compounds their functionality






49. An abbreviation of nicotinamide-adenine-dinucleotide-phosphate - also called TPN; an organic compound that serves as an oxidation-reduction molecule






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