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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 period in the development of animals between the embryo and adult stages; starts at hatching and ends in metamorphasis






2. The uppermost portion of pistil upon which pollen grains alight






3. A network - particularly of nerve or blood vessels






4. The enzyme released from the blood platelets in vertebrates during clotting






5. A symbol that denotes the relative concentration of hydrogen ions in a solution






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






7. An organ that stores bile






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






9. An organism that must get its inorganic and organic raw materials from the environment; a consumer






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






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






12. A starch form in animals; glucose is converted to this in the liver






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






14. An organism that produces spores; a phase in the diploid-haploid life cycle that alternates with a gametophyte phase






15. A space in the cytoplasm of a cell that contains fluid






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






17. Occurs when certain traits are determined by genes on sex chromosomes






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






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






20. One of the two strands that constitute a chromosome; chromatids are held together by the centromere






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






22. A short - stubby rod consisting of chromatin that is found in the nucleus of the cells; contains the genetic or hereditary component of cells (in the form of genes)






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






24. The transformation of an immature animal into an adult; a change in the form of an organ or structure






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






26. The kind of bond formed when two amino acid units are jointed end to end






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






28. The part of the male reproductive organ (the stamen) that produces and stores pollen






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






30. A multidirectional sensory system of lower animals such as the hydra - consisting of nerve fibers spread throughout the ectoderm






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






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






33. A pyrimidine component of nucleic acids and nucleotides; pairs with adenine in DNA






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






35. A colloidal system involving the dispersion of a liquid within a liquid






36. The transfer of a piece of chromosome to another chromosome






37. A specialized structure that leads to the digestive tract of a developing organism and provides it with food during early development






38. A terrestrial habitat zone that is characterized by large tracts of coniferous forests - long and cold winters - and short summers






39. Any chromosome that is not a sex chromosome






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






41. A network of membrane-enclosed spaces connected with the nuclear membrane; transports materials through the cell; can be soft or rough






42. A structure that extends from the trunk of an organism and is capable of active movements






43. Movement of amoeba






44. A flesh-eating animal; a holotrophic animal that subsists on other animals or parts of animals






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






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






47. A hormone that stimulates plant stem elongation






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






49. An anucleate red blood cell that contains hemoglobin






50. The pairing of homologous chromosomes during meiosis