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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 mutation involving the addition or loss of nucleotides






2. The female gonad in animals; the base of the pistil in plants






3. A vacuole in the cytoplasm in which digestion takes place (in protozoans)






4. The sac in the ovary in which the egg develops






5. A hormone that ripens fruit and induces aging






6. A hormone that regulates water reabsorption






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






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






9. A muscular valve regulating the flow of food from the stomach to the small intestine






10. Structures in the testes that produce sperm and semen






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






12. The tenth cranial nerve that innervates digestive organs - heart and other areas






13. The intake of fluid droplets into a cell






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






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






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






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






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






19. Fluid excreted by the kidney containing urea - water - salts - etc






20. The hind portion of the forebrain of vertebrates






21. The part of the neuron that transmits impulses to the cell body






22. 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






23. Describes cells (gametes) that have half the chromosome number typical of the species






24. A tract of nerve fibers connecting the two cerebral hemispheres






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






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






27. The part of the flower that bears the female gametophyte






28. The chamber in the alimentary canal of certain vertebrates located below the large intestine - into which the ureter and reproductive organs empty (as in frogs)






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






30. A process by which the cytoplasm and the organelles of the cell divide; the final stage of mitosis






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






32. A hoofed animal






33. Bacteria that are rod shaped






34. Random evolutionary changes in the genetic makeup of a population






35. In mitosis of higher plants - the structure that forms between the divided nuclei of the two daughter cells and eventually becomes the cell wall






36. An organ that is not functional in an organism - but was functional at some period in its evolution






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






38. A substance that prevents appreciable changes in pH in solutions to which small quantities of acids or bases are added






39. The largest portion of the human brain; it is believed to be the center of intelligence - conscious thought and sensation






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






41. The pigment in rod cells that causes light sensitivity






42. A nitrogen base that is present in nucleotides and nucleic acids; it is paired with guanine






43. Relating to the lung






44. The physical appearance or makeup of an individual - as opposed to its genetic makeup






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






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






47. The female gamete; it is nonmotile - large in comparison to male gametes - and stores nutrients






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






49. A bone of the upper arm






50. Describes arthropods and other animals whose skeletal or supporting structures are outside the skin