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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. Protein threads that form in the blood during clotting






2. The innermost tissue layer of the eyeball that contains light-sensitive receptor cells






3. Describes a fluid that has a higher osmotic pressure than another fluid it is compared to






4. Cells which in the female are located between the ovarian follicles and in the male are located between the seminiferous tubules of the testes






5. The pigment in rod cells that causes light sensitivity






6. A flowering plant; a plant of the class Angiospermae that produces seeds enclosed in an ovary and is characterized by the possession of fruits and flowers






7. A lymph tubule located in the villus that absorbs fatty acids






8. The extraembyonic membrane of birds - reptiles and mammals that serves as an area of gaseous exchange and as a site for the storage of noxious excretion products






9. The elimination of metabolic waster matter






10. An organic cofactor required for enzyme activity






11. An abbreviation of nicotinamide-adenine-dinucleotide-phosphate - also called TPN; an organic compound that serves as an oxidation-reduction molecule






12. An abbreviation of nicotinamide-adenine-dinucleotide - also called DPN; a respiratory oxidation-reduction molecule






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






14. The inner part of the adrenal gland that secretes adrenalin






15. A fatty sheath surrounding the axon of a neuron that aids in stimulus transmission; it is secreted by the Schwann cells






16. Living - as in living organisms in the environment






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






18. The dorsal part of the hip girdle






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






20. Pertaining to a restricted locality; ecologically - occurring only in one particular region






21. A marine biome typical of the open seas






22. Functional urinary tubules responsible for excretion in the kidney of vertebrates






23. The portion of alimentary canal in which some protein digestion occurs






24. The phylum to which jointed-legged invertebrates belong - including insects - arachnids and crustaceans






25. The cellular layer that covers external and internal surfaces






26. The space between the mesodermal layers that forms the body cavity of some animal phyla






27. A substance that prevents appreciable changes in pH in solutions to which small quantities of acids or bases are added






28. 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






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






30. One or two or more types of genes - each representing a particular trait; many alleles exist for a specific gene locus






31. A lateral region of the forebrain






32. An enzyme that acts upon sucrose






33. Describes a fluid that has the same osmotic pressure as a fluid it is compared to






34. A mitotic stage in which nuclei reform and nuclear membrane reappears






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






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






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






38. An organic catalyst and protein






39. 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






40. A fat or oil






41. One-thousandth of a millimeter; a unit of microscopic length






42. The process by which carbohydrates are formed through chemical energy; found in bacteria






43. The male gonads that produce sperm and male hormones






44. 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






45. A network of capillaries in the Bowman's capsules of the kidney






46. 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






47. Nonfunctional haploid cells created during meiosis in females; they have very little cytoplasm-most has gone into the functional egg cell






48. An endocrine gland of vertebrates - usually paired - and located near or within the thyroid that secretes parathormone - which controls the metabolism of calcium






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






50. The sensory branch of each spinal nerve