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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 most anterior portion of the small intestine of vertebrates - adjacent to the stomach; the continuation of the stomach into which the bile duct and pancreatic duct empty






2. The sensory organ of the inner ear of mammals; it is coiled and contains the organ of corti






3. Laws of classical genetics established through Mendel's experiments with peas






4. An organism that obtains its nutrients from dead organisms






5. The outermost - extra-embryonic membrane of reptiles and birds






6. The pairing of homologous chromosomes during meiosis






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






8. In plants - an area of undifferentiated tissue covered by embryonic leaves






9. A process of cell division whereby each daughter cell receives only one set of chromosomes; the formation of gametes






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






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






12. Pertaining to a type of gland that releases its secretion through a duct






13. An organism that is heterozygous for two different traits






14. Bacteria that are rod shaped






15. An accumulation of axons within the CNS that is white because it is fatty - myelin sheath






16. An anucleate red blood cell that contains hemoglobin






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






18. A multidirectional sensory system of lower animals such as the hydra - consisting of nerve fibers spread throughout the ectoderm






19. The breeding of an organism with a homozygous recessive in order to determine whether an organism is homozygous dominant or heterozygous dominant for a given trait






20. A dense fluid within the chloroplast in which CO2 is converted into sugars in photosynthesis






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






22. Small - disc-shaped bodies in the blood that play a chief role in coagulation






23. The phylum to which jointed-legged invertebrates belong - including insects - arachnids and crustaceans






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






25. The veins that carry blood from the digestive organs to the liver






26. A symbiotic relationship from which both organisms involved derive some benefit






27. An organic catalyst and protein






28. The coagulation of blood caused by the rupture of platelets and the interaction of fibrin - fibrinogen - thrombin - prothrombin and calcium ions






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






30. The thin-walled anterior chamber of the heart (also called the auricle)






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






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






33. Organism that consumes food from outside itself instead of producing it






34. Cells which in the female are located between the ovarian follicles and in the male are located between the seminiferous tubules of the testes






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






36. The ability of an organism to contribute its alleles and therefore is phenotypic traits to future generations






37. The portion of seed plant embryo above the cotyledon






38. A plant that has a single cotyledon or seed-leaf






39. A waxy protective layer secreted by the outer surface of plants - insects - etcetera






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






41. A kingdom of unicellular living organisms that are neither animals nor plants; includes some groups of algae - slime molds and protozoa






42. A process of photosynthesis in which water is split into H+ and OH-; the hydrogen ion is then joined to NADP






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






44. A decimal fraction that represents the presence of an allele for all members of a population that have a particular gene locus






45. The creation of certain strains of specific traits through control of breeding






46. Changes in genes that are inherited






47. The production of a number of different species from a single ancestral species






48. The hindbrain region that controls equilibrium and muscular coordination






49. An organism that produces spores; a phase in the diploid-haploid life cycle that alternates with a gametophyte phase






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







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