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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 mitotic or meiotic stage in which the chromosomes become visible and during which the spindle fibers form; synapsis takes place during the first meiotic prophase






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






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






4. 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






5. An antigen in blood; can cause erythroblastosis fetalis when the mother is Rh- and the fetus is Rh+






6. A short - stubby rod consisting of chromatin that is found in the nucleus of the cells; contains the genetic or hereditary component of cells (in the form of genes)






7. A dark-staining small body within the nucleus; composed of RNA






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






9. An organism that produces spores; a phase in the diploid-haploid life cycle that alternates with a gametophyte phase






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






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






12. An individual that is heterozygous for only one trait






13. A condition in which an organism may have a multiple of the normal number of chromosomes (4n - 6n - etc)






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






15. Describes two or more structures that have similar forms - positions and origins despite the differences between their current functions






16. The hind portion of the forebrain of vertebrates






17. The portion of seed plant embryo above the cotyledon






18. A female sex hormone secreted by the follicle






19. A thyroid deficiency that results in stunted growth and feeblemindedness






20. An offspring that is heterozygous for one or more gene pairs






21. The study of all living processes - activities and functions






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






23. A reproductive cell that is capable of developing directly into an adult






24. An "emergency" hormone stimulated by anger or fear; increase blood pressure and heart rate in order to supply the emergency needs of the muscles






25. There are two kinds of sex chromosomes - X and Y; XX signifies a female and XY signifies a male






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






27. An organic catalyst and protein






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






29. A ring-shaped muscle that is capable of closing a tubular opening by constriction






30. A substance that participates in the clotting of blood in vertebrates






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






32. A foreign protein that stimulates the production of antibodies when introduced into the body of an organism






33. A remnant of follicle after ovulation that secretes the hormone progesterone






34. A decimal fraction that represents the presence of an allele for all members of a population that have a particular gene locus






35. The outer - transparent layer of the eye






36. A cell resulting from the fusion of gametes






37. An organism that utilizes the energy of inorganic materials such as water and carbon dioxide or the sun to manufacture organic materials






38. Outgrowths of a root's epidermal cells that allow for greater surface area for absorption of nutrients and water






39. Globular proteins produced by tissues that destroy or inactivate antigens






40. A cell in the retina that is sensitive to weak light






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






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






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






44. A bone of the upper arm






45. A dominant allele suppresses the expression of the other member of an allele pair when both members are present






46. A pouched mammal - such as the kangaroo or opossum






47. A stage of embryonic development in which the embryo consists of a hollow ball of cells






48. In mammals - a flap of tissue above the glottis; it folds back over the glottis in swallowing to close the air passages of the lungs; contains elastic cartilage






49. The process by which a certain function is regulated by the amount of the substance it produces






50. The kind of bond formed when two amino acid units are jointed end to end






Can you answer 50 questions in 15 minutes?



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