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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. Protein threads that form in the blood during clotting






2. The process by which carbohydrates are formed through chemical energy; found in bacteria






3. The hind portion of the forebrain of vertebrates






4. Describes structures that have similar function but different evolutionary origins; e.g. - a bird's wing and a moth's wing






5. A hoofed animal






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






7. A flesh-eating animal; a holotrophic animal that subsists on other animals or parts of animals






8. An abbreviation of nicotinamide-adenine-dinucleotide-phosphate - also called TPN; an organic compound that serves as an oxidation-reduction molecule






9. The outermost surface of an organism






10. The enzyme released from the blood platelets in vertebrates during clotting






11. A compact linear organization of nerve tissues with ganglia in the CNS






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






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






14. Cytoplasmic bodies within a plant cell that are often pigmented






15. A family tree depicting the inheritance of a particular genetic trait over several generations






16. The colored part of the eye that is capable of contracting and regulating the size of the pupils






17. The study of form and structure






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






19. An organic nutrient required by organisms in small amounts to aid in proper metabolic processes






20. A sensory hair structure in the utriculus and the sacculus of the inner ear; orients the head with respect to gravity






21. The portion of seed plant embryo above the cotyledon






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






23. An organism that possesses both the male and the female reproductive organs






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






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






26. The junction or gap between the axon terminal of one neuron and the dendrites of another neuron






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






28. A kind of microorganism that is between a virus and a bacterium; parasitic within the cells of insects and ticks






29. The ways in which organisms regulate their supply of water






30. An "emergency" hormone stimulated by anger or fear; increase blood pressure and heart rate in order to supply the emergency needs of the muscles






31. A mall sex hormone (e.g. - testosterone)






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






33. Fluid-filled structures in the inner ear that are associated with the sense of balance






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






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






36. 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






37. A structure of the eye that focuses images on the retina by changing its convexity






38. A behavioral or biological change that enables an organism to adjust to its environment






39. A mutation involving the addition or loss of nucleotides






40. A tube connecting the ovaries and the uterus






41. Describes an organism that lives symbiotically with a host; this host neither benefits nor suffers from the association






42. The portion of alimentary canal connecting the pharynx and the stomach






43. One of a class of organic compounds that contains a molecular skeleton of four fused rings of carbon






44. A space in the body






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. Undifferentiated tissue in the stem of a plant that aids growth in width






47. Relating to the lung






48. The transfer of a piece of chromosome to another chromosome






49. A thyroid deficiency that results in stunted growth and feeblemindedness






50. An individual that is heterozygous for only one trait