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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 group of life-maintaining processes that includes nutrition - respiration (the production of usable energy) and the synthesis and degradation of biochemical substances






2. The reproductive organ that produces sex cells






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






4. A structure formed by the wall of the uterus and the chorion of the embryo; serves as the area in which the embryo obtains nutrition from the parent






5. A duct that carries urine from the kidneys to the bladder






6. A multidirectional sensory system of lower animals such as the hydra - consisting of nerve fibers spread throughout the ectoderm






7. Refers to protective covering






8. A type of virus that can destroy bacteria by infecting - parasitizing and eventually killing them






9. The living matter of a cell - located between the cell membrane and the nucleus






10. The type of mating that occurs when an organism selects a mating partner that resembles itself






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






12. The basal branch of each spinal nerve; carries motor neurons






13. A structure found between the cerebral hemispheres of vertebrates; secretes melatonin






14. Deoxyribonucleic acid; found in cell nucleus - its basic unit is the nucleotide; contains coded genetic information; can replicate on the basis of heredity






15. The outermost surface of an organism






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






17. The sensory organ of the inner ear of mammals; it is coiled and contains the organ of corti






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






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






20. A process of formation of ova






21. A reproductive cell






22. Membranous organelles involved in the storage and modification of secretory products






23. A hormonal secretion of the adrenal cortex






24. Any movement or growth of a living organism in response to the force of gravity






25. In mammals - the slitlike opening formed by the vocal folds in the larynx






26. The first filial generation (first offspring)






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






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






29. Pertaining to the head






30. A muscular valve regulating the flow of food from the stomach to the small intestine






31. An organic catalyst and protein






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






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






34. The pressure exerted by the contents of a cell against the cell membrane or cell wall






35. The ways in which organisms regulate their internal heat






36. The uppermost portion of pistil upon which pollen grains alight






37. A thin - transparent - eyelid-like membrane that opens and closes laterally across the cornea of many vertebrates (the third eyelid)






38. The final stages of protein synthesis in which the genetic code of nucleotide sequences is translated into a sequences of amino acids






39. A protein compound containing iron that is found in red blood cells






40. One of the primary tissues of the embryo






41. 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






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






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






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






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






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






47. 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






48. An accumulation of axons within the CNS that is white because it is fatty - myelin sheath






49. The outer - transparent layer of the eye






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