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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 separation of homologous pairs of chromosomes following meiotic synapsis






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






3. A nitrogenous base such as adenine or guanine; when joined with sugar or phosphate - a component of nucleotides and nucleic acids






4. The study of organisms in relation to their environment






5. A carbohydrate that is composed of many monosaccharide units joined together






6. Cycle in photosynthesis that reduces fixed carbon to carbohydrates through the addition of electrons ("dark cycle")






7. The ways in which organisms regulate their internal heat






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






9. A lateral region of the forebrain






10. Multicellular organism






11. The thin - bent part of the renal tubule that is the site of the counter-current flow and the sodium gradient






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






13. The part of the alimentary canal between the mouth and the esophagus






14. A type of nuclear division that is characterized by complex chromosomal movement and the exact duplication of chromosomes; occurs in somatic cells






15. A mucus-secreting membrane






16. A digestive enzyme of the saliva that turns starch into maltose (salivary amylase)






17. 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






18. Blood protein that is transformed to fibrin upon clotting






19. 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)






20. Any physical feature that prevents the ecological niches of different organisms from overlapping






21. An organ that stores bile






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






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






24. A thin - transparent - eyelid-like membrane that opens and closes laterally across the cornea of many vertebrates (the third eyelid)






25. A fatty sheath surrounding the axon of a neuron that aids in stimulus transmission; it is secreted by the Schwann cells






26. Cytoplasmic bodies within a plant cell that are often pigmented






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






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






29. In plants - the tissue between the epidermis and the vascular cylinder in the roots and stems of plants; in animals - the outer tissue of some organs






30. A process by which the cell membrane is invaginated to form a vesicle which contains extracellular medium






31. The coiled part of the sperm duct - adjacent to the testes in mammals






32. The sensory organ of the inner ear of mammals; it is coiled and contains the organ of corti






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






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






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






36. A form of asexual reproduction in which the egg develops in the absence of sperm






37. Membranous organelles involved in the storage and modification of secretory products






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






39. The study of form and structure






40. The living matter of a cell - located between the cell membrane and the nucleus






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






42. Living or active in the absence of free oxygen; pertaining to respiration that is independent of oxygen






43. An organelle that contains enzymes that aid in intracellular digestion






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






45. Unicellular organism with simple cell structure






46. A mature ovary






47. One of many tubules that absorb tissue fluid and return it to the bloodstream via the lymphatic system






48. The ability to respond to a stimulus






49. A marine biome; a region on the continental shelf that contains an ocean area with depths of up to 600 ft






50. An organic catalyst and protein