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. An anterior pituitary hormone that stimulates the follicles in females and the function of the seminiferous tubules in males






2. In mammals - the slitlike opening formed by the vocal folds in the larynx






3. Degree of penetrability - as in membranes that allow given substances to pass through; the ability to penetrate






4. The final stages of protein synthesis in which the genetic code of nucleotide sequences is translated into a sequences of amino acids






5. The instance of polymorphism in which there is a difference of form between two members of a species - as between males and females






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






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






8. An organ centrally involved in the human digestive system






9. A lateral region of the forebrain






10. Chemical groups attached to carbon skeletons that give compounds their functionality






11. A neuron that picks up impulses from receptors and transmits them to the spinal cord






12. The portion of seed plant embryo above the cotyledon






13. An enzyme that acts upon maltose and converts it into glucose






14. A kind of microorganism that is between a virus and a bacterium; parasitic within the cells of insects and ticks






15. A jellyfish






16. The cavity between the lungs and the wall of the chest






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






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






19. A hormone that stimulates plant stem elongation






20. The extraembryonic membrane in birds - reptiles and mammals that surrounds the embryo - forming an amniotic sac






21. A hormone that ripens fruit and induces aging






22. The triploid tissue in some seeds that contains stored food and is formed by the union of one sperm nucleus with two nuclei of the female's gametophyte






23. Waves of contraction and relaxation passing along a tubular structure - such as the digestive tube






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






25. The process of breaking down large organic molecules into smaller ones






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






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






28. A motile - multinucleate mass of protoplasm resulting from fusion of uninuclear amoeboid cells






29. A process of cell division whereby each daughter cell receives only one set of chromosomes; the formation of gametes






30. 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






31. An organ that stores bile






32. A bundle of nerve axons






33. Deoxyribonucleic acid; found in cell nucleus - its basic unit is the nucleotide; contains coded genetic information; can replicate on the basis of heredity






34. A multidirectional sensory system of lower animals such as the hydra - consisting of nerve fibers spread throughout the ectoderm






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






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






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






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






39. A pair of chromosome pairs present during the first metaphase of meiosis






40. A structure that arises during mitosis and helps separate the chromosomes; composed of tubulin






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






42. Plant growth stimulated by light (stem: + - towards light; root: - - away from light)






43. In taxonomy - a classification between species and family






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






45. xylem that is no longer being used






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






47. The process by which water and dissolved substances pass through a membrane






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






49. 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






50. The failure of some homologous pairs of chromosomes to separate following meiotic synapsis