Test your basic knowledge |

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 short - stubby rod consisting of chromatin that is found in the nucleus of the cells; contains the genetic or hereditary component of cells (in the form of genes)






2. A duct through which the urine passes from the bladder to the outside






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






4. A hormone that ripens fruit and induces aging






5. Adrenaline






6. A network - particularly of nerve or blood vessels






7. Multicellular organism






8. The most anterior portion of the small intestine of vertebrates - adjacent to the stomach; the continuation of the stomach into which the bile duct and pancreatic duct empty






9. A flesh-eating animal; a holotrophic animal that subsists on other animals or parts of animals






10. One of a group of compounds that is identical in a atomic composition - but different in structure and arrangement






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






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






13. The hind portion of the forebrain of vertebrates






14. A lymph tubule located in the villus that absorbs fatty acids






15. A plant that has a single cotyledon or seed-leaf






16. Asexual reproduction; in this process - the parent organism splits into two equal daughter cells






17. An enzyme that acts upon sucrose






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






19. 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






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






21. A nerve fiber






22. Cytoplasmic bodies within a plant cell that are often pigmented






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






24. The movement of particles from one place to another as a result of their random motion






25. An organism that possesses one or more whiplike appendages called flagella






26. Protein threads that form in the blood during clotting






27. The enzyme that acts upon lactose






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






29. The ability of certain animals to regrow missing body parts






30. The removal of an amino group from an organism - particularly from an amino acid






31. The production of daughter cells by means other than the sexual union of gametes (as in budding and binary fission)






32. The pairing of homologous chromosomes during meiosis






33. Comprises somatic and autonomic nervous systems; consists of cranial nerves and spinal nerves






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






35. The orientation of cells or organisms in relation to chemical stimuli; the growth or movement response of organisms to chemical stimuli






36. Movement of amoeba






37. The study of the evolutionary descent and interrelations of groups of organisms






38. A stage of mitosis; chromosomes line up at the equator of the cell






39. An endocrine gland located in the neck that produces thyroxin






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






41. A class of arthropods that includes scorpions - spiders - mites and ticks






42. The thigh bone of vertebrates






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






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






45. The separation of homologous pairs of chromosomes following meiotic synapsis






46. An animal phylum in which all members have a notochord - dorsal nerve cord and pharyngeal gill slits at some embryonic stage; includes the Cephalochordata and the Vertebrates






47. The process by which a certain function is regulated by the amount of the substance it produces






48. A membrane that envelopes the nucleus and separates it from the cytoplasm; present in eukaryotes






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






50. An organ that stores bile