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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. An invertebrate animal phylum in which animals possess a single alimentary opening and tentacles with stinging cells






2. A process of formation of ova






3. An enlargement of the thyroid gland due to lack of iodine






4. A simple sugar






5. The cellular layer that covers external and internal surfaces






6. A marine biome typical of the open seas






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






8. The female gamete; it is nonmotile - large in comparison to male gametes - and stores nutrients






9. Requiring free oxygen from the atmosphere for normal activity and respiration






10. The fist stage of protein synthesis - in which the information coded in the DNA base is transcribed onto a strand of mRNA






11. A typical coelenterate individual with a hollow tubular body whose outer ectoderm is separated from its inner ectoderm by mesoglea






12. A type of anaerobic respiration found in fungi - bacteria and human muscle cells






13. Different relationships that are formed in proteins between the original sequence of amino acids and more complex three-dimensional compounds






14. The science of classification of living things






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






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






17. A specialized structure that leads to the digestive tract of a developing organism and provides it with food during early development






18. A hormone of the thyroid that regulates basal metabolism






19. The law by which genes on different chromosomes are inherited independently of each other






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






21. Any chromosome that is not a sex chromosome






22. The elimination of metabolic waster matter






23. Fluid in the eye - found between the cornea and the lens






24. The stage in mitosis that is characterized by the migration of chromatids to opposite ends of the cell; the stage in meiosis during which homologus pairs migrate (Anaphase I) - and the stage in meiosis during which chromatids migrate to different end






25. A kingdom of unicellular living organisms that are neither animals nor plants; includes some groups of algae - slime molds and protozoa






26. Technology that allows for manipulation of genetic material






27. The individual differences of form among the members of a species






28. The part of the hindbrain located in the brain stem






29. An over secretion of thyroid that leads to high metabolism and exopthalmia goiter






30. A fat or oil






31. A symbol that denotes the relative concentration of hydrogen ions in a solution






32. An organ centrally involved in the human digestive system






33. The outermost surface of an organism






34. The portion of seed plant embryo above the cotyledon






35. The orderly process by which one biotic community replaces another until a climax community is established






36. Occurs when different traits are inherited together more often than they would have been by chance along; it is assumed that these traits are linked on the same chromosome






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






38. A pyrimidine found in RNA (but not DNA); pairs with DNA adenine






39. 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






40. The anaerobic respiration of carbohydrates






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






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






43. An organelle in the cytoplasm that contains RNA; serves as the site of protein synthesis






44. 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






45. The study of organisms in relation to their environment






46. An enzyme from the pancreas that digests proteins in the small intestine






47. Genetic blending; each allele exerts some influence on the phenotype






48. 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






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






50. The phylum to which segmented worms belong