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






2. The haploid - sexual stage in the life cycle of plants






3. A small projection in the walls of the small intestine that increases the surface area available for absorption






4. A portion of the CNS consisting of cytons (cell bodies) - their dendrites and synaptic connections






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






6. A starch form in animals; glucose is converted to this in the liver






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






8. The process of forming the sperm cells from primary spermatocytes






9. The part of the male reproductive organ (the stamen) that produces and stores pollen






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






11. A progressive change from which a permanently more mature or advanced state results






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






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






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






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






16. Plant growth stimulated by light (stem: + - towards light; root: - - away from light)






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






18. Anaerobic respiration the yields 2 molecules of ATP - lactic acid - ethyl alcohol and carbon dioxide or some similar compound via the glycolytic pathway






19. Different relationships that are formed in proteins between the original sequence of amino acids and more complex three-dimensional compounds






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






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






22. A green pigment that performs essential functions as an electron donor and light "entrapper" in photosynthesis






23. The science of classification of living things






24. Self-digestion occurring in plant and animal tissues - particularly after they have ceased to function properly






25. Describes an individual that possesses two contrasting alleles for a given trait






26. A hoofed animal






27. The outer - transparent layer of the eye






28. A four-letter code made up of the DNA nitrogen bases A - T - G and C; each chromosome is made up of thousands of these bases






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






30. Tissue formed by the differentiation of cambium that causes a growth in width of a plant system






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






32. A network - particularly of nerve or blood vessels






33. A bone of the upper arm






34. Any organism that is the victim of a parasite






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






36. The evaporation of water from leaves or other exposed surfaces of plants






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






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






39. An animal with a constant body temperature






40. The biome located between the polar region and the tiaga






41. The intake of fluid droplets into a cell






42. Changes in genes that are inherited






43. An excretory product of protein metabolism






44. Structures in the testes that produce sperm and semen






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






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






47. A structure that extends from the trunk of an organism and is capable of active movements






48. An anterior pituitary hormone that stimulates the follicles in females and the function of the seminiferous tubules in males






49. Semen






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