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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 pouched mammal - such as the kangaroo or opossum






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






3. The system of naming an organism by its genus and species name






4. The pollination of the pistil of one flower with pollen from the stamen of a different flower of the same species






5. Pertaining to the head






6. The association of physical - visceral response with an environmental stimulus with which it is not naturally associated; a learned response






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






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






9. A four-letter code made up of the DNA nitrogen bases A - T - G and C; each chromosome is made up of thousands of these bases






10. The uppermost portion of pistil upon which pollen grains alight






11. The phylum of sponges






12. Encompasses the brain and the spinal cord






13. An organ centrally involved in the human digestive system






14. Fluid skeleton of annelids






15. The womb in which the fetus develops






16. A symbol that denotes the relative concentration of hydrogen ions in a solution






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






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






19. The ourter part of the adrenal gland that secretes many hormones - including cortisone and aldosterone






20. Anaerobic respiration the yields 2 molecules of ATP - lactic acid - ethyl alcohol and carbon dioxide or some similar compound via the glycolytic pathway






21. The female gonad in animals; the base of the pistil in plants






22. A marine biome; a region on the continental shelf that contains an ocean area with depths of up to 600 ft






23. A portion of the CNS consisting of cytons (cell bodies) - their dendrites and synaptic connections






24. The navel






25. The division in animal cell cytoplasm caused by the pinching in of the cell membrane






26. An organism that possesses both the male and the female reproductive organs






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






28. xylem that is no longer being used






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






30. A simple sugar






31. Three membranes that envelop the brain and spinal cord (pia mater - dura mater and arachnoid)






32. A stalklike or elongated body part - usually pointed at one end






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






34. An organelle that regulates cell functions and contains the genetic material of the cell






35. The orderly process by which one biotic community replaces another until a climax community is established






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






37. An organic compound to which hydrogen and oxygen are attached; the hydrogen and oxygen are in a 2:1 ratio; examples include sugars - starches and cellulose






38. Any physical feature that prevents the ecological niches of different organisms from overlapping






39. In taxonomy - a classification between species and family






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






41. The portion of the embryonic seed plant below the point of attachment of the coytledon; form the root






42. A network of membrane-enclosed spaces connected with the nuclear membrane; transports materials through the cell; can be soft or rough






43. 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






44. The biome located between the polar region and the tiaga






45. A chemical messenger that is secreted by one part of the body and carried by the blood to affect another part of the body - usually a muscle or gland






46. The colored part of the eye that is capable of contracting and regulating the size of the pupils






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






48. A network - particularly of nerve or blood vessels






49. The exchange of parts of homologous chromosomes during meiosis






50. Any cell that is not a reproductive cell