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






2. The outer layer of cerebral hemispheres in the forebrain - consisting of gray matter






3. A large molecule that is composed of many similar molecule units






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






5. The basal branch of each spinal nerve; carries motor neurons






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






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






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






9. A process by which the cytoplasm and the organelles of the cell divide; the final stage of mitosis






10. A tube connecting the ovaries and the uterus






11. A stalklike or elongated body part - usually pointed at one end






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






13. The smallest particle that is capable of carrying out photosynthesis; the functional unit of a chloroplast






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






15. A space in the body






16. A network - particularly of nerve or blood vessels






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






18. Fluid skeleton of annelids






19. The ability to respond to a stimulus






20. A mutation involving the addition or loss of nucleotides






21. A hoofed animal






22. The large intestine






23. An opening in the eye whose size is regulated by the iris






24. An organ that stores bile






25. The outermost bone of the middle ear (hammer)






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






27. A mitotic or meiotic stage in which the chromosomes become visible and during which the spindle fibers form; synapsis takes place during the first meiotic prophase






28. A category of taxonomic classification that is ranked above class and under kingdoms






29. One of a class of organic compounds that contains a molecular skeleton of four fused rings of carbon






30. A female sex hormone secreted by the follicle






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






32. A nitrogen base that is present in nucleotides and nucleic acids; it is paired with guanine






33. A muscular valve regulating the flow of food from the stomach to the small intestine






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






35. The thigh bone of vertebrates






36. The outermost - extra-embryonic membrane of reptiles and birds






37. The part of the neuron that transmits impulses to the cell body






38. Secreted by the anterior pituitary gland - this hormone stimulates the conversion of a follicle into the corpus luteum and the secretion of progesterone by the corpus luteum






39. Deoxyribonucleic acid; found in cell nucleus - its basic unit is the nucleotide; contains coded genetic information; can replicate on the basis of heredity






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






41. Describes structures that have similar function but different evolutionary origins; e.g. - a bird's wing and a moth's wing






42. The largest portion of the human brain; it is believed to be the center of intelligence - conscious thought and sensation






43. A substance that is acted upon by an enzyme






44. A structure that arises during mitosis and helps separate the chromosomes; composed of tubulin






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






46. Passively floating or drifting flora and fauna of a body of water; consists mainly of microscopic organisms






47. Any chromosome that is not a sex chromosome






48. Partially digested food in the stomach






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






50. The vascular tissue of a plant that transports organic materials (photosynthetic products) from the leaves to other parts of the plant