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






2. A mutation involving the addition or loss of nucleotides






3. The intake of food from the environment into the alimentary canal






4. The sensory branch of each spinal nerve






5. A marine arthropod - now extinct - that lived during the Paleozoic era






6. The external opening of the trachea in insects






7. Any chromosome that is not a sex chromosome






8. A bundle of nerve axons






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






10. Adenosine diphosphate (ADP) and adenosine triphosphate (ATP) - which are energy storage molecules






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






12. A cell that divides to form two secondary spermatocytes






13. A sugar composed of two combined monosaccharides






14. A bony or chitinous case or shield covering the back or part of the back of an animal (shell of a crab)






15. An organic molecule consisting of joined phosphate - 5-carbon sugar (deoxyribose or ribose) - and a purine or a pyrimidine (adenine - guanine - uracil - thymine or cytosine)






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






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






18. The thigh bone of vertebrates






19. The portion of seed plant embryo above the cotyledon






20. The part of the nervous system that regulates the involuntary muscles - such as the walls of the alimentary canal; includes the parasympathetic and sympathetic nervous systems






21. The study of the evolutionary descent and interrelations of groups of organisms






22. A female sex hormone secreted by the follicle






23. Plant tissue consisting of large thin-walled cells for storage






24. A plant that lives on another plant mensalistically






25. Asexual reproduction; in this process - the parent organism splits into two equal daughter cells






26. A pyrimidine found in RNA (but not DNA); pairs with DNA adenine






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






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






29. The failure of some homologous pairs of chromosomes to separate following meiotic synapsis






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






31. A ductless gland in upper chest region concerned with immunity and the maturation of lymphocytes






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






33. The navel






34. A reproductive cell






35. A plant-eating animal






36. The cell membrane






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






38. A lateral region of the forebrain






39. A neuron that picks up impulses from receptors and transmits them to the spinal cord






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






41. 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






42. An organism that obtains its nutrients from dead organisms






43. The state in which two genetic traits are fully expressed and neither dominates






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






45. Describes two or more structures that have similar forms - positions and origins despite the differences between their current functions






46. The law by which genes on different chromosomes are inherited independently of each other






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

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






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






50. Organism that produces its own food; first stage in the food chain