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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. Comprises somatic and autonomic nervous systems; consists of cranial nerves and spinal nerves






2. The cell body of a neuron






3. A form of asexual reproduction in which the egg develops in the absence of sperm






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






5. A habitat zone - such as desert - grassland or tundra






6. Any physical feature that prevents the ecological niches of different organisms from overlapping






7. All the members of a given species inhabiting a certain locale






8. Movement of amoeba






9. 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






10. A plant that has a single cotyledon or seed-leaf






11. The enzyme that acts upon lactose






12. Pertaining to a subdivision of the autonomic nervous system of vertebrates






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






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






15. An enzyme that acts upon maltose and converts it into glucose






16. The organelle that provides mechanical support and carries out motility functions for the cell






17. In plants - the tissue between the epidermis and the vascular cylinder in the roots and stems of plants; in animals - the outer tissue of some organs






18. A digestive enzyme of the saliva that turns starch into maltose (salivary amylase)






19. Fluid skeleton of annelids






20. A plastid containing chlorophyll






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






22. An animal phylum in which all members have a notochord - dorsal nerve cord and pharyngeal gill slits at some embryonic stage; includes the Cephalochordata and the Vertebrates






23. 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






24. Pertaining to a type of gland that releases its secretion through a duct






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






26. A chemical messenger that is secreted by one part of the body and carried by the blood to affect another part of the body - usually a muscle or gland






27. Plant tissue consisting of large thin-walled cells for storage






28. The failure of some homologous pairs of chromosomes to separate following meiotic synapsis






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






30. Fluid excreted by the kidney containing urea - water - salts - etc






31. The study of the evolutionary descent and interrelations of groups of organisms






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






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






34. A fat or oil






35. xylem that is no longer being used






36. An organism that possesses one or more whiplike appendages called flagella






37. The navel






38. A bone of the upper arm






39. A hormonal secretion of the adrenal cortex






40. The living together of two organisms in an intimate relationship






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






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






43. A group of populations that can interbreed






44. The class of free-living flatworms






45. A process by which the vesicle in the cell fuses with the cell membrane and releases its contents to the outside






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






47. A nerve fiber






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






49. The central tissue of a stem - used for food storage






50. A marine arthropod - now extinct - that lived during the Paleozoic era