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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. The thin-walled anterior chamber of the heart (also called the auricle)






2. The recycling of carbon from decaying organisms for use in future generations






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






4. An endocrine gland located in the neck that produces thyroxin






5. The functional role and position of an organism in an ecosystem; embodies every aspect of the organism's existence






6. An organism that is heterozygous for two different traits






7. The coiled part of the sperm duct - adjacent to the testes in mammals






8. The state in which two genetic traits are fully expressed and neither dominates






9. A bone of the upper arm






10. The microspore of a seed plant






11. The movement of particles from one place to another as a result of their random motion






12. A large molecule that is composed of many similar molecule units






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






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






15. xylem that is no longer being used






16. One of a group of compounds that is identical in a atomic composition - but different in structure and arrangement






17. The passive - rhythmical expansion or dilation of the cavities of the heart (atria or ventricles) that allows these organs to fill with blood; preceded and followed by systole (contraction)






18. A disease-causing organism






19. Fluid skeleton of annelids






20. The portion of the embryonic seed plant below the point of attachment of the coytledon; form the root






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






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






23. In mitosis of higher plants - the structure that forms between the divided nuclei of the two daughter cells and eventually becomes the cell wall






24. A structure in animal cells containing centrioles from which the spindle fibers develop






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






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






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






28. One of the primary tissues of the embryo






29. A ductless gland in upper chest region concerned with immunity and the maturation of lymphocytes






30. Pertaining to a subdivision of the autonomic nervous system






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






32. Describes a fluid that has a lower osmotic pressure than a fluid it is compared to






33. A metabolic stage between mitoses in which genetic material is reproduced






34. 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






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






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






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






38. A mucus-secreting membrane






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






40. A mass of cells that have similar structures and perform similar functions






41. Cycle in photosynthesis that reduces fixed carbon to carbohydrates through the addition of electrons ("dark cycle")






42. 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






43. The recycling of nitrogen from decaying organism for use in future generations






44. The transformation of an immature animal into an adult; a change in the form of an organ or structure






45. A complex carrier mechanism located on the inside of the inner mitochondrial membrane of the cell; releases energy and is used to form ATP






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






47. Any chromosome that is not a sex chromosome






48. An undifferentiated - growing region of a plant that is constantly undergoing cell division and differentiation






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






50. The cell membrane