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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 hindbrain region that controls equilibrium and muscular coordination






2. A plant growth hormone






3. The individual differences of form among the members of a species






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






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






6. A marine biome typical of the open seas






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






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






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






10. Cytoplasmic organelles that serve as sites of respiration; a rod-shaped body in the cytoplasm known to be the center of cellular respiration






11. A tract of nerve fibers connecting the two cerebral hemispheres






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






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






14. The elimination of metabolic waster matter






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






16. The outermost bone of the middle ear (hammer)






17. A nitrogen base that is present in nucleotides and nucleic acids; it is paired with guanine






18. Part of the nephron in the kidney; involved in excretion

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19. The sensory branch of each spinal nerve






20. A hoofed animal






21. A hormone that regulates water reabsorption






22. The chamber in the alimentary canal of certain vertebrates located below the large intestine - into which the ureter and reproductive organs empty (as in frogs)






23. A marine biome; a region on the continental shelf that contains an ocean area with depths of up to 600 ft






24. Three membranes that envelop the brain and spinal cord (pia mater - dura mater and arachnoid)






25. Encompasses the brain and the spinal cord






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






27. A perforation leading from the pharynx to the outside environment that is a characteristic of chordates at one stage of their development






28. The outer - transparent layer of the eye






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






30. A plastid containing chlorophyll






31. Random evolutionary changes in the genetic makeup of a population






32. Any cell capable of ingesting another cell






33. A cell that divides to form the polar body and the secondary oocyte






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






35. The transfer of pollen to the micropyle or to a receptive surface that is associated with an ovule (such as stigma)






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






37. Outgrowths of a root's epidermal cells that allow for greater surface area for absorption of nutrients and water






38. The part of the flower that produces pollen






39. The fist stage of protein synthesis - in which the information coded in the DNA base is transcribed onto a strand of mRNA






40. Occurs when different traits are inherited together more often than they would have been by chance along; it is assumed that these traits are linked on the same chromosome






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






42. A hormone of the thyroid that regulates basal metabolism






43. One of the two strands that constitute a chromosome; chromatids are held together by the centromere






44. A hydrogen carrier containing iron that functions in many cellular processes - including respiration






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






46. Fluid in the eye - found between the cornea and the lens






47. The reproductive organ that produces sex cells






48. The instance of polymorphism in which there is a difference of form between two members of a species - as between males and females






49. A mutation involving the addition or loss of nucleotides






50. The dorsal part of the hip girdle