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. Random evolutionary changes in the genetic makeup of a population






2. The pressure exerted by the contents of a cell against the cell membrane or cell wall






3. The contraction of the atria or ventricles of the heart






4. Technology that allows for manipulation of genetic material






5. A compact linear organization of nerve tissues with ganglia in the CNS






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






7. The passive - rhythmical expansion or dilation of the cavities of the heart (atria or ventricles) that allows these organs to fill with blood; preceded and followed by systole (contraction)






8. A protein compound containing iron that is found in red blood cells






9. The creation of certain strains of specific traits through control of breeding






10. The genetic makeup of an organism without regard to physical appearance






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






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






13. A hormone that regulates water reabsorption






14. A hormonal secretion of the adrenal cortex






15. The breeding of an organism with a homozygous recessive in order to determine whether an organism is homozygous dominant or heterozygous dominant for a given trait






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






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






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






19. The portion of seed plant embryo above the cotyledon






20. The pigment in rod cells that causes light sensitivity






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






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






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






24. The site of most digestion of nutrients and absorption of digested nutrients






25. The fusion of sperm and the egg to produce a zygote






26. Cycle in photosynthesis that reduces fixed carbon to carbohydrates through the addition of electrons ("dark cycle")






27. The largest artery; carries blood from the left ventricle






28. A progressive change from which a permanently more mature or advanced state results






29. A female sex hormone secreted by the follicle






30. Secreted by the anterior pituitary gland - this hormone stimulates the conversion of a follicle into the corpus luteum and the secretion of progesterone by the corpus luteum






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






32. The sac in the ovary in which the egg develops






33. A fat-digesting hormone






34. Substance secreted by organisms that influences the behavior of other members of the same species






35. An organism that does not require free oxygen in order to respire






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






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






38. One of the paired lateral divisions of the forebrain






39. In taxonomy - a classification between species and family






40. Any organism that is the victim of a parasite






41. A chemical action that releases energy from glucose to form ATP






42. The removal of hydrogen or electrons from a compound or addition of oxygen; half of a redox (oxidation or reduction) process






43. The largest portion of the human brain; it is believed to be the center of intelligence - conscious thought and sensation






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






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






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






47. Describes cells that have a double set of chromosomes in homologous pairs (2n)






48. The cell body of a neuron






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






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