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






2. Genetic blending; each allele exerts some influence on the phenotype






3. A body fluid that flows in its own circulatory fluid in lymphatic vessels separate from blood circulation






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






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






6. The womb in which the fetus develops






7. A simple sugar






8. A fat or oil






9. A kingdom of unicellular living organisms that are neither animals nor plants; includes some groups of algae - slime molds and protozoa






10. Describes an individual that possesses two contrasting alleles for a given trait






11. Relating to the lung






12. The creation of certain strains of specific traits through control of breeding






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






14. The extraembyonic membrane of birds - reptiles and mammals that serves as an area of gaseous exchange and as a site for the storage of noxious excretion products






15. The failure of some homologous pairs of chromosomes to separate following meiotic synapsis






16. The portion of a DNA molecule that serves as a unit of heredity; found on the chromosome






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






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






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






20. One of a class of organic compounds that is composed of many amino acids; contains C - H - O and N






21. An anterior pituitary hormone that stimulates the follicles in females and the function of the seminiferous tubules in males






22. An organism that utilizes the energy of inorganic materials such as water and carbon dioxide or the sun to manufacture organic materials






23. A dominant allele suppresses the expression of the other member of an allele pair when both members are present






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






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






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






27. The microspore of a seed plant






28. An excretory product of protein metabolism






29. An organism that requires oxygen for respiration and can live only in the presence of oxygen






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






31. The orientation of cells or organisms in relation to chemical stimuli; the growth or movement response of organisms to chemical stimuli






32. A motile - multinucleate mass of protoplasm resulting from fusion of uninuclear amoeboid cells






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






34. An invertebrate animal phylum in which animals possess a single alimentary opening and tentacles with stinging cells






35. Unicellular organism with simple cell structure






36. A cell that divides to form two secondary spermatocytes






37. A condition in which an organism may have a multiple of the normal number of chromosomes (4n - 6n - etc)






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






39. A duct that carries urine from the kidneys to the bladder






40. Vascular tissue of the plant that aids in support and carries water






41. Pertaining to the head






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






43. A behavioral or biological change that enables an organism to adjust to its environment






44. Describes an organism that lives symbiotically with a host; this host neither benefits nor suffers from the association






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






46. An emulsifying agent secreted by the liver






47. The contraction of the atria or ventricles of the heart






48. A perforation leading from the pharynx to the outside environment that is a characteristic of chordates at one stage of their development






49. The female gonad in animals; the base of the pistil in plants






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