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






2. The basal branch of each spinal nerve; carries motor neurons






3. A bundle of nerve axons






4. The pigment in rod cells that causes light sensitivity






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






6. A network or mesh of fibrils - fibers or filaments






7. Any cell capable of ingesting another cell






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






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






10. A mature ovary






11. One of a pair of kidney-shaped cells that surround a stomate and regulate the size of the stomate in a leaf






12. Blood protein that is transformed to fibrin upon clotting






13. A hormone of the thyroid that regulates basal metabolism






14. A tube one cell thick that carries blood from artery to vein; the site of material exchange between the blood and tissues of the body






15. A cell in the retina that is sensitive to weak light






16. The intake of food from the environment into the alimentary canal






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






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






19. A decimal fraction that represents the presence of an allele for all members of a population that have a particular gene locus






20. A plant-eating animal






21. Describes an individual that has the same gene for the same trait on each homologous chromosome






22. The functional role and position of an organism in an ecosystem; embodies every aspect of the organism's existence






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






24. A period in the development of animals between the embryo and adult stages; starts at hatching and ends in metamorphasis






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






26. xylem that is no longer being used






27. A symbiotic relationship from which both organisms involved derive some benefit






28. The anaerobic respiration of carbohydrates






29. A form of asexual reproduction in which the egg develops in the absence of sperm






30. The swelling at the end of an axon






31. The phylum to which jointed-legged invertebrates belong - including insects - arachnids and crustaceans






32. The study of form and structure






33. Living - as in living organisms in the environment






34. Occurs when certain traits are determined by genes on sex chromosomes






35. The phylum of sponges






36. The microspore of a seed plant






37. A space in the body






38. Describes a fluid that has a higher osmotic pressure than another fluid it is compared to






39. A structure of the eye that focuses images on the retina by changing its convexity






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






41. A network of capillaries in the Bowman's capsules of the kidney






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






43. A hormone produced by the Islets of Langerhans in the pancreas






44. A bony or chitinous case or shield covering the back or part of the back of an animal (shell of a crab)






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






46. The cell body of a neuron






47. Cells which in the female are located between the ovarian follicles and in the male are located between the seminiferous tubules of the testes






48. The more muscular chamber(s) of the heart that pump blood to the lungs and to the rest of the body






49. The ability to respond to a stimulus






50. Any chromosome that is not a sex chromosome