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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 form of asexual reproduction in which the egg develops in the absence of sperm






2. A hormone that stimulates plant stem elongation






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






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






5. A fat or oil






6. Comprises somatic and autonomic nervous systems; consists of cranial nerves and spinal nerves






7. A thyroid deficiency that results in stunted growth and feeblemindedness






8. Part of the nephron in the kidney; involved in excretion

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9. The living together of two organisms in an intimate relationship






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






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






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






13. The triploid tissue in some seeds that contains stored food and is formed by the union of one sperm nucleus with two nuclei of the female's gametophyte






14. A tract of nerve fibers connecting the two cerebral hemispheres






15. A nerve fiber






16. The diffusion of water through a semipermeable membrane - from an area of greater concentration to an area of lesser concentration






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






18. An organic catalyst and protein






19. Any organism that is the victim of a parasite






20. Asexual reproduction; in this process - the parent organism splits into two equal daughter cells






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






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






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






24. Plant growth stimulated by light (stem: + - towards light; root: - - away from light)






25. A process of cell division whereby each daughter cell receives only one set of chromosomes; the formation of gametes






26. The ability of certain animals to regrow missing body parts






27. The pigment in rod cells that causes light sensitivity






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






29. A family tree depicting the inheritance of a particular genetic trait over several generations






30. A constituent of the plasma of the blood of vertebrates; it is converted to thrombin by thrombokinase in the presence of calcium ions - thus contributing to the clotting of blood






31. Blood protein that is transformed to fibrin upon clotting






32. The elimination of metabolic waster matter






33. The division in animal cell cytoplasm caused by the pinching in of the cell membrane






34. A ductless gland in upper chest region concerned with immunity and the maturation of lymphocytes






35. An enzyme that acts upon maltose and converts it into glucose






36. A stage of mitosis; chromosomes line up at the equator of the cell






37. An organism that does not require free oxygen in order to respire






38. An organ that stores urine temporarily before it is excreted






39. The solid ball of cells the results from cleavage of an egg; a solid blastula that precedes the blastula stage






40. The space between the mesodermal layers that forms the body cavity of some animal phyla






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






42. Any cell that is not a reproductive cell






43. Random evolutionary changes in the genetic makeup of a population






44. Adrenaline






45. The process by which environmental patterns or objects presented to a developing organism during a "critical period" of its growth is accepted as a permanent element of its behavior






46. The physical appearance or makeup of an individual - as opposed to its genetic makeup






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






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






49. 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






50. An over secretion of thyroid that leads to high metabolism and exopthalmia goiter