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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 study of form and structure






2. The process by which carbohydrates are formed through chemical energy; found in bacteria






3. The recycling of nitrogen from decaying organism for use in future generations






4. A kind of microorganism that is between a virus and a bacterium; parasitic within the cells of insects and ticks






5. Describes a fluid that has a lower osmotic pressure than a fluid it is compared to






6. An antipathogenic substance (e.g. - penicillin)






7. The portion of a DNA molecule that serves as a unit of heredity; found on the chromosome






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






9. 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






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






11. The navel






12. An organ that stores urine temporarily before it is excreted






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






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






15. A sensory organ capable of detecting light






16. A lymph tubule located in the villus that absorbs fatty acids






17. A microscopic - whiplike filament that serves as a locomotor structure in flagellate cells






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






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






20. A wall composed of cellulose that is external to the cell membrane in plants; it is primarily involved in support and in the maintenance of proper internal pressure






21. An offspring that is heterozygous for one or more gene pairs






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






23. A lateral region of the forebrain






24. Pertaining to a subdivision of the autonomic nervous system






25. A duct through which the urine passes from the bladder to the outside






26. A hydrogen carrier containing iron that functions in many cellular processes - including respiration






27. Changes in genes that are inherited






28. A mucus-secreting membrane






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






30. Fluid-filled structures in the inner ear that are associated with the sense of balance






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






32. The inner portion of the cytoplasm of a cell or the portion that surrounds the nucleus






33. Encompasses the brain and the spinal cord






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






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






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






37. A network - particularly of nerve or blood vessels






38. A process by which the vesicle in the cell fuses with the cell membrane and releases its contents to the outside






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






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






41. An invertebrate animal phylum in which animals possess a single alimentary opening and tentacles with stinging cells






42. A section of the posterior forebrain associated with the pituitary gland






43. The pollination of the pistil of one flower with pollen from the stamen of a different flower of the same species






44. A kind of white blood cell in vertebrates that is characterized by a rounded nucleus; involved in the immune response






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






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






47. The transfer of pollen to the micropyle or to a receptive surface that is associated with an ovule (such as stigma)






48. Cytoplasmic organelles that serve as sites of respiration; a rod-shaped body in the cytoplasm known to be the center of cellular respiration






49. A condition in which an organism may have a multiple of the normal number of chromosomes (4n - 6n - etc)






50. The more muscular chamber(s) of the heart that pump blood to the lungs and to the rest of the body