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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 antipathogenic substance (e.g. - penicillin)






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






3. A specialized structure that carries out particular functions for eukaryotic cells






4. The intake of fluid droplets into a cell






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






6. The liquid part of blood






7. One of many tubules that absorb tissue fluid and return it to the bloodstream via the lymphatic system






8. Tubules that excrete metabolic wastes into the hindgut in arthropods






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






10. Pertaining to a subdivision of the autonomic nervous system






11. The recycling of carbon from decaying organisms for use in future generations






12. Pertaining to a type of gland that releases its secretion through a duct






13. The hindbrain region that controls equilibrium and muscular coordination






14. There are two kinds of sex chromosomes - X and Y; XX signifies a female and XY signifies a male






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






16. An organism that requires oxygen for respiration and can live only in the presence of oxygen






17. Blood vessels located between ascending and descending aortas that deliver blood to most of the upper body






18. A remnant of follicle after ovulation that secretes the hormone progesterone






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






20. One of a class of organic compounds that is composed of many amino acids; contains C - H - O and N






21. The exchange of parts of homologous chromosomes during meiosis






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






23. The transfer of pollen from the stamen to the pistil of the same flower






24. A nitrogen base such as cytosine - thymine and uracil; when joined with sugar or phosphate - a component of nucleotides and nucleic acids






25. Fluid skeleton of annelids






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






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






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






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






30. An organelle in the cytoplasm that contains RNA; serves as the site of protein synthesis






31. A stage of embryonic development in which the embryo consists of a hollow ball of cells






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






33. A mutation in which a single nucleotide base is substituted for another nucleotide base - or an extra nucleotide base is added






34. A stage of embryonic development characterized by the differentiation of the cells into the ectoderm and endoderm germ layers and by the formation of the archenteron






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






36. 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)






37. A fluid-filled sensory apparatus that aids balance and hearing






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






39. An organism that utilizes the energy of inorganic materials such as water and carbon dioxide or the sun to manufacture organic materials






40. The instance of polymorphism in which there is a difference of form between two members of a species - as between males and females






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






42. The male gonads that produce sperm and male hormones






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






44. The largest artery; carries blood from the left ventricle






45. The area of medulla that regulates the rate of breathing






46. Pertaining to the head






47. Pertaining to a restricted locality; ecologically - occurring only in one particular region






48. An association of homologous chromosomes during the first meiotic division






49. A cell that divides to form the polar body and the secondary oocyte






50. A female sex hormone secreted by the follicle