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






2. An embryonic structure that gives rise to the central nervous system






3. A substance that participates in the clotting of blood in vertebrates






4. All the members of a given species inhabiting a certain locale






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






6. An individual that is heterozygous for only one trait






7. One of the primary tissues of the embryo






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






9. An organ that is not functional in an organism - but was functional at some period in its evolution






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






11. A plant that has two seed leaves or cotyledons






12. A network - particularly of nerve or blood vessels






13. The veins that carry blood from the digestive organs to the liver






14. A carbohydrate that is composed of many monosaccharide units joined together






15. An association between an algae and a fungus that is symbiotic and mutualistic in nature






16. A mall sex hormone (e.g. - testosterone)






17. An organ centrally involved in the human digestive system






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






19. A response by an organism to the duration and timing of light and dark conditions






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






21. A space in the body






22. An underground stem






23. The outermost bone of the middle ear (hammer)






24. An organism that must get its inorganic and organic raw materials from the environment; a consumer






25. A structure found between the cerebral hemispheres of vertebrates; secretes melatonin






26. Structures in the testes that produce sperm and semen






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






28. Adenosine diphosphate (ADP) and adenosine triphosphate (ATP) - which are energy storage molecules






29. A kingdom of unicellular living organisms that are neither animals nor plants; includes some groups of algae - slime molds and protozoa






30. The part of the flower that bears the female gametophyte






31. A muscular valve regulating the flow of food from the stomach to the small intestine






32. A microscopic opening located in the epidermis of a leaf and formed by a pair of guard cells






33. A dark-staining small body within the nucleus; composed of RNA






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






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






36. The process by which environmental patterns or objects presented to a developing organism during a "critical period" of its growth is accepted as a permanent element of its behavior






37. The first filial generation (first offspring)






38. A relationship in which one organism benefits at the expense of another






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






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






41. Any movement or growth of a living organism in response to the force of gravity






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






43. 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






44. The innermost tissue layer of the eyeball that contains light-sensitive receptor cells






45. A plant that lives on another plant mensalistically






46. The pigment in rod cells that causes light sensitivity






47. The process by which carbohydrates are formed through chemical energy; found in bacteria






48. A change from a diploid nucleus to a haploid nucleus - as in meiosis






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






50. An organic cofactor required for enzyme activity