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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 association of homologous chromosomes during the first meiotic division






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






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






4. A fluid-filled sensory apparatus that aids balance and hearing






5. The outer - transparent layer of the eye






6. Describes a fluid that has the same osmotic pressure as a fluid it is compared to






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






8. Involuntary muscle






9. A blood vessel that carries blood back to the heart from the capillaries






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






11. The process by which water and dissolved substances pass through a membrane






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






13. An over secretion of thyroid that leads to high metabolism and exopthalmia goiter






14. A chemical action that releases energy from glucose to form ATP






15. Describes organisms that are cooperative in action - such as hormones or other growth factors that reinforce each other's activity






16. A reproductive cell that is capable of developing directly into an adult






17. Any cell that is not a reproductive cell






18. An organelle that regulates cell functions and contains the genetic material of the cell






19. Protein threads that form in the blood during clotting






20. A flowering plant; a plant of the class Angiospermae that produces seeds enclosed in an ovary and is characterized by the possession of fruits and flowers






21. The functional role and position of an organism in an ecosystem; embodies every aspect of the organism's existence






22. There are two kinds of sex chromosomes - X and Y; XX signifies a female and XY signifies a male






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






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






25. The part of the body of an animal that is between the neck or head and the abdomen






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






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






28. An animal phylum in which all members have a notochord - dorsal nerve cord and pharyngeal gill slits at some embryonic stage; includes the Cephalochordata and the Vertebrates






29. The thigh bone of vertebrates






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






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






32. A mutation in which a single nucleotide base is substituted for another nucleotide base - or an extra nucleotide base is added






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






34. A body fluid that flows in its own circulatory fluid in lymphatic vessels separate from blood circulation






35. The fusion of sperm and the egg to produce a zygote






36. Chemical groups attached to carbon skeletons that give compounds their functionality






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






38. The phylum to which segmented worms belong






39. Globular proteins produced by tissues that destroy or inactivate antigens






40. A group of life-maintaining processes that includes nutrition - respiration (the production of usable energy) and the synthesis and degradation of biochemical substances






41. A mitotic stage in which nuclei reform and nuclear membrane reappears






42. The anaerobic respiration of carbohydrates






43. A duct that carries urine from the kidneys to the bladder






44. An emulsifying agent secreted by the liver






45. 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






46. The inner part of the adrenal gland that secretes adrenalin






47. The process by which environmental patterns or objects presented to a developing organism during a "critical period" of its growth is accepted as a permanent element of its behavior






48. The biome located between the polar region and the tiaga






49. A hormone produced by the Islets of Langerhans in the pancreas






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