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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. A plant-eating animal






2. A flowering plant with simple dry fruit - characterized by nodes on their roots that contain nitrogen-fixing bacteria






3. A marine biome typical of the open seas






4. A mutation in which a single nucleotide base is substituted for another nucleotide base - or an extra nucleotide base is added






5. The separation of some members of a population from the rest of their species; prevents interbreeding and may lead to the development of a new species






6. Any organism that is the victim of a parasite






7. Tissue formed by the differentiation of cambium that causes a growth in width of a plant system






8. Organism that produces its own food; first stage in the food chain






9. The portion of alimentary canal connecting the pharynx and the stomach






10. An organic compound to which hydrogen and oxygen are attached; the hydrogen and oxygen are in a 2:1 ratio; examples include sugars - starches and cellulose






11. A space in the body






12. A specialized structure that controls osmotic pressure by removing water from the cell






13. The production of a number of different species from a single ancestral species






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






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






16. A thin - transparent - eyelid-like membrane that opens and closes laterally across the cornea of many vertebrates (the third eyelid)






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






18. The cavity in the mammalian ovary in which the egg ripens






19. A group of populations that can interbreed






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






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






22. Pertains to a gene or characteristic that is masked when a dominant allele is present






23. A bony or chitinous case or shield covering the back or part of the back of an animal (shell of a crab)






24. Vascular tissue of the plant that aids in support and carries water






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






26. An air sac in the lung; the site of respiratory exchange - involving diffusion of oxygen and carbon dioxide between the air in the alveolus and the blood in the capillaries






27. A structure that extends from the trunk of an organism and is capable of active movements






28. The first filial generation (first offspring)






29. The solid ball of cells the results from cleavage of an egg; a solid blastula that precedes the blastula stage






30. Describes organisms that are cooperative in action - such as hormones or other growth factors that reinforce each other's activity






31. The female gonad in animals; the base of the pistil in plants






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






33. The physical appearance or makeup of an individual - as opposed to its genetic makeup






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






35. A stage of embryonic development characterized by the differentiation of the cells into the ectoderm and endoderm germ layers and by the formation of the archenteron






36. The cell membrane






37. A gland composed of two parts - anterior and posterior - each with its own secretions; called the "master gland" because its hormones stimulate secretions by other glands






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






39. 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






40. The phylum to which segmented worms belong






41. The elimination of metabolic waster matter






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






43. Anaerobic respiration the yields 2 molecules of ATP - lactic acid - ethyl alcohol and carbon dioxide or some similar compound via the glycolytic pathway






44. The liquid part of blood






45. A simple sugar






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






47. A waxy protective layer secreted by the outer surface of plants - insects - etcetera






48. Part of the nephron in the kidney; involved in excretion

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






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