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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 hormonal secretion of the adrenal cortex






2. Partially digested food in the stomach






3. A major lymphatic that empties lymph into a vein in the neck






4. An air duct from the middle ear to the throat that equalizes external and internal air pressure






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






6. A structure that arises during mitosis and helps separate the chromosomes; composed of tubulin






7. A dominant allele suppresses the expression of the other member of an allele pair when both members are present






8. A hormone that regulates water reabsorption






9. A hormone that stimulates plant stem elongation






10. The hormone secreted by the corpus luteum of vertebrates and the placenta of mammals; its function is to maintain the endometrium






11. The ways in which organisms regulate their internal heat






12. A flexible - supportive rod running longitudinally through the dorsum ventral to the nerve cord; found in lower chordates and in the embryos of vertebrates






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






14. The cellular layer that covers external and internal surfaces






15. The cavity between the lungs and the wall of the chest






16. The stable - biotic part of the ecosystem in which populations exist in balance with each other and with the environment






17. A blood vessel that carries blood away from the heart






18. Occurs when a segment of genetic material on a chromosome becomes reversed






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






20. A dark-staining small body within the nucleus; composed of RNA






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






22. Pertaining to a restricted locality; ecologically - occurring only in one particular region






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






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






25. The cell body of a neuron






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






27. A habitat zone - such as desert - grassland or tundra






28. A plant that belongs to the class of seed plants in which the seeds are not enclosed in an ovary; includes the conifers






29. An organic cofactor required for enzyme activity






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






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






32. A hoofed animal






33. A simple sugar






34. In taxonomy - a classification between species and family






35. The recycling of carbon from decaying organisms for use in future generations






36. A large class of arthropods - including crabs and lobsters






37. A nerve cell






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






39. The microspore of a seed plant






40. Occurs when certain traits are determined by genes on sex chromosomes






41. A type of virus that can destroy bacteria by infecting - parasitizing and eventually killing them






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






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






44. An organism that must get its inorganic and organic raw materials from the environment; a consumer






45. An organic catalyst and protein






46. An undifferentiated - growing region of a plant that is constantly undergoing cell division and differentiation






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






48. A network of capillaries in the Bowman's capsules of the kidney






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






50. A fat-digesting hormone