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






2. One of many tubules that absorb tissue fluid and return it to the bloodstream via the lymphatic system






3. A ductless gland that secretes hormones directly into the bloodstream






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






5. The removal of an amino group from an organism - particularly from an amino acid






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






7. An organism that does not require free oxygen in order to respire






8. A resistance to disease produced through the injection of antibodies






9. The area of medulla that regulates the rate of breathing






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






11. An organ that stores urine temporarily before it is excreted






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






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






14. A microscopic opening located in the epidermis of a leaf and formed by a pair of guard cells






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






16. The smallest particle that is capable of carrying out photosynthesis; the functional unit of a chloroplast






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






18. The place of attachment of the mitotic fiber to the chromosome






19. The description of a plant life cycle that consists of a diploid - asexual - sporophyte generation and a haploid - sexual - gametrophyte generation






20. Describes cells that have a double set of chromosomes in homologous pairs (2n)






21. The outermost embryonic germ layer that gives rise to the epidermis and the nervous system






22. xylem that is no longer being used






23. Changes in genes that are inherited






24. A fat or oil






25. A change from a diploid nucleus to a haploid nucleus - as in meiosis






26. The enzyme that acts upon lactose






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






28. Technology that allows for manipulation of genetic material






29. The orientation of cells or organisms in relation to chemical stimuli; the growth or movement response of organisms to chemical stimuli






30. An organ centrally involved in the human digestive system






31. The phylum to which segmented worms belong






32. An organic catalyst and protein






33. A ring-shaped muscle that is capable of closing a tubular opening by constriction






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






35. A cell that divides to form two secondary spermatocytes






36. 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






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






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






39. The swelling at the end of an axon






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 veins that carry blood from the digestive organs to the liver






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






43. The ability of certain animals to regrow missing body parts






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






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






46. An association of homologous chromosomes during the first meiotic division






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






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






49. The vascular tissue of a plant that transports organic materials (photosynthetic products) from the leaves to other parts of the plant






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