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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 hormone that regulates water reabsorption






2. A transmitter substance released from the axons of nerve cells at the synapse






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






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






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






6. A process of formation of ova






7. Encompasses the brain and the spinal cord






8. Describes structures that have similar function but different evolutionary origins; e.g. - a bird's wing and a moth's wing






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






10. In mitosis of higher plants - the structure that forms between the divided nuclei of the two daughter cells and eventually becomes the cell wall






11. The part of the body of an animal that is between the neck or head and the abdomen






12. Structures in the testes that produce sperm and semen






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






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






15. A duct that carries urine from the kidneys to the bladder






16. A type of nuclear division that is characterized by complex chromosomal movement and the exact duplication of chromosomes; occurs in somatic cells






17. The hindbrain region that controls equilibrium and muscular coordination






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






19. A major lymphatic that empties lymph into a vein in the neck






20. A "seed leaf"; responsible for food digestion and storage in plant embryo






21. A mass of cells that have similar structures and perform similar functions






22. The final stages of protein synthesis in which the genetic code of nucleotide sequences is translated into a sequences of amino acids






23. The ways in which organisms regulate their internal heat






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






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






26. Bacteria that are rod shaped






27. The study of form and structure






28. Fluid-filled structures in the inner ear that are associated with the sense of balance






29. A condition in which an organism may have a multiple of the normal number of chromosomes (4n - 6n - etc)






30. A reproductive cell






31. An air duct from the middle ear to the throat that equalizes external and internal air pressure






32. A group of life-maintaining processes that includes nutrition - respiration (the production of usable energy) and the synthesis and degradation of biochemical substances






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






34. A grouping of neuron cell bodies that acts as a coordinating center






35. The enzyme that acts upon lactose






36. A group of populations that can interbreed






37. Partially digested food in the stomach






38. An underground stem






39. A habitat zone - such as desert - grassland or tundra






40. A lateral region of the forebrain






41. An organelle that contains enzymes that aid in intracellular digestion






42. The part of the alimentary canal between the mouth and the esophagus






43. Compounds in bile that aid in emulsification






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






45. Related to the sense of smell






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






47. An organism that obtains its nutrients from dead organisms






48. A hydrogen carrier containing iron that functions in many cellular processes - including respiration






49. The part of the male reproductive organ (the stamen) that produces and stores pollen






50. The part of the flower that produces pollen