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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 portion of alimentary canal in which some protein digestion occurs






2. Adenosine diphosphate (ADP) and adenosine triphosphate (ATP) - which are energy storage molecules






3. A cell resulting from the fusion of gametes






4. The site of most digestion of nutrients and absorption of digested nutrients






5. The anaerobic respiration of carbohydrates






6. A membrane that envelopes the nucleus and separates it from the cytoplasm; present in eukaryotes






7. A stage of mitosis; chromosomes line up at the equator of the cell






8. A plastid containing chlorophyll






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






10. A hormone that regulates water reabsorption






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






12. A nerve fiber






13. An ion with a positive charge - or an ion that migrates towards the cathode (negative electrode) in an electric field






14. Daily cycles of behavior






15. The process by which a certain function is regulated by the amount of the substance it produces






16. The largest artery; carries blood from the left ventricle






17. A pyrimidine found in RNA (but not DNA); pairs with DNA adenine






18. A chemical messenger that is secreted by one part of the body and carried by the blood to affect another part of the body - usually a muscle or gland






19. The orderly process by which one biotic community replaces another until a climax community is established






20. An enzyme that acts upon sucrose






21. Pertaining to the head






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






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






24. Adrenaline






25. Unicellular organism with simple cell structure






26. The posterior part of the brain that controls the rate of breathing and other autonomic functions






27. 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)






28. A specialized structure that controls osmotic pressure by removing water from the cell






29. A bundle of nerve axons






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






31. A hormone that ripens fruit and induces aging






32. Hormone active in osmoregulation; a mineral corticoid produced by the adrenal cortex; stimulates reabsorption of Na+ and secretion of K+






33. The individual differences of form among the members of a species






34. One-thousandth of a millimeter; a unit of microscopic length






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






36. The production of daughter cells by means other than the sexual union of gametes (as in budding and binary fission)






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






38. An association of homologous chromosomes during the first meiotic division






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






40. An enlargement of the thyroid gland due to lack of iodine






41. A foreign protein that stimulates the production of antibodies when introduced into the body of an organism






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






43. The study of all living processes - activities and functions






44. Any movement or growth of a living organism in response to the force of gravity






45. The ourter part of the adrenal gland that secretes many hormones - including cortisone and aldosterone






46. Degree of penetrability - as in membranes that allow given substances to pass through; the ability to penetrate






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






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






49. Tubules that excrete metabolic wastes into the hindgut in arthropods






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