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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. Fluid in the eye - found between the cornea and the lens






2. A specialized structure that carries out particular functions for eukaryotic cells






3. A process of formation of ova






4. A ring-shaped muscle that is capable of closing a tubular opening by constriction






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






6. The thigh bone of vertebrates






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






8. The process of breaking down large organic molecules into smaller ones






9. The colored part of the eye that is capable of contracting and regulating the size of the pupils






10. Related to the sense of smell






11. An anucleate red blood cell that contains hemoglobin






12. A pouched mammal - such as the kangaroo or opossum






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






14. A hormone that stimulates plant stem elongation






15. An organelle that regulates cell functions and contains the genetic material of the cell






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






17. The pressure exerted by the contents of a cell against the cell membrane or cell wall






18. The ways in which organisms regulate their supply of water






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






20. A small projection in the walls of the small intestine that increases the surface area available for absorption






21. All the members of a given species inhabiting a certain locale






22. Unicellular organism with simple cell structure






23. Small - disc-shaped bodies in the blood that play a chief role in coagulation






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






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






26. A substance that participates in the clotting of blood in vertebrates






27. Refers to protective covering






28. A decimal fraction that represents the presence of an allele for all members of a population that have a particular gene locus






29. A "seed leaf"; responsible for food digestion and storage in plant embryo






30. A microscopic opening located in the epidermis of a leaf and formed by a pair of guard cells






31. Changes in genes that are inherited






32. Pertaining to a subdivision of the autonomic nervous system of vertebrates






33. A sensory hair structure in the utriculus and the sacculus of the inner ear; orients the head with respect to gravity






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






35. A plant growth hormone






36. Chemical groups attached to carbon skeletons that give compounds their functionality






37. The intake of food from the environment into the alimentary canal






38. The system of naming an organism by its genus and species name






39. Blood vessels located between ascending and descending aortas that deliver blood to most of the upper body






40. Any chromosome that is not a sex chromosome






41. Describes an individual that has the same gene for the same trait on each homologous chromosome






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






43. An air sac in the lung; the site of respiratory exchange - involving diffusion of oxygen and carbon dioxide between the air in the alveolus and the blood in the capillaries






44. A cell resulting from the fusion of gametes






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






46. The final stages of protein synthesis in which the genetic code of nucleotide sequences is translated into a sequences of amino acids






47. The womb in which the fetus develops






48. The phylum to which jointed-legged invertebrates belong - including insects - arachnids and crustaceans






49. The outermost surface of an organism






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