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 symbiotic relationship from which both organisms involved derive some benefit






2. A tube one cell thick that carries blood from artery to vein; the site of material exchange between the blood and tissues of the body






3. A purine (nitrogenous base) component of nucleotides and nucleic acids; links with cytosine in DNA






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






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






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






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






8. A sex or reproductive cell that must fuse with another of the opposite type to form a zygote






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






10. The living together of two organisms in an intimate relationship






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






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






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






14. A behavioral or biological change that enables an organism to adjust to its environment






15. The part of the flower that produces pollen






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






17. Pertaining to the head






18. A hydrogen carrier containing iron that functions in many cellular processes - including respiration






19. The part of the alimentary canal between the mouth and the esophagus






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






21. Describes cells (gametes) that have half the chromosome number typical of the species






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






23. A category of taxonomic classification that is ranked above class and under kingdoms






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






25. Changes in genes that are inherited






26. The description of a plant life cycle that consists of a diploid - asexual - sporophyte generation and a haploid - sexual - gametrophyte generation






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






28. Protein threads that form in the blood during clotting






29. The dorsal part of the hip girdle






30. The conversion of digested foods and other materials into forms usable by the body (i.e. - the conversion of amino acids into proteins)






31. A terrestrial habitat zone that is characterized by large tracts of coniferous forests - long and cold winters - and short summers






32. A group of populations that can interbreed






33. Organelles that serve as specialized containers for metabolic reactions






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






35. The posterior part of the brain that controls the rate of breathing and other autonomic functions






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






37. Technology that allows for manipulation of genetic material






38. The innermost embryonic germ layer that gives rise to the lining of the alimentary canal and to the digestive and respiratory organs






39. One of a class of organic compounds that is composed of many amino acids; contains C - H - O and N






40. Any organism that is the victim of a parasite






41. One of the primary tissues of the embryo






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






43. Living - as in living organisms in the environment






44. The transfer of pollen to the micropyle or to a receptive surface that is associated with an ovule (such as stigma)






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






46. A hormone that regulates water reabsorption






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






48. An opening in the eye whose size is regulated by the iris






49. Plant tissue consisting of large thin-walled cells for storage






50. The first filial generation (first offspring)