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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. Substance secreted by organisms that influences the behavior of other members of the same species






2. An organic molecule consisting of joined phosphate - 5-carbon sugar (deoxyribose or ribose) - and a purine or a pyrimidine (adenine - guanine - uracil - thymine or cytosine)






3. The most anterior portion of the small intestine of vertebrates - adjacent to the stomach; the continuation of the stomach into which the bile duct and pancreatic duct empty






4. The process by which carbohydrates are formed through chemical energy; found in bacteria






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






6. The innermost embryonic germ layer that gives rise to the lining of the alimentary canal and to the digestive and respiratory organs






7. The stage in mitosis that is characterized by the migration of chromatids to opposite ends of the cell; the stage in meiosis during which homologus pairs migrate (Anaphase I) - and the stage in meiosis during which chromatids migrate to different end






8. A structure in animal cells containing centrioles from which the spindle fibers develop






9. The exchange of parts of homologous chromosomes during meiosis






10. The part of the hindbrain located in the brain stem






11. Fluid-filled structures in the inner ear that are associated with the sense of balance






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






13. A flowering plant; a plant of the class Angiospermae that produces seeds enclosed in an ovary and is characterized by the possession of fruits and flowers






14. The more muscular chamber(s) of the heart that pump blood to the lungs and to the rest of the body






15. One-thousandth of a millimeter; a unit of microscopic length






16. The phylum of sponges






17. A mature ovary






18. In plants - an area of undifferentiated tissue covered by embryonic leaves






19. A sensory organ capable of detecting light






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






21. A plastid containing chlorophyll






22. The liquid part of blood






23. An organelle in the cytoplasm that contains RNA; serves as the site of protein synthesis






24. The hormone secreted by the corpus luteum of vertebrates and the placenta of mammals; its function is to maintain the endometrium






25. 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






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






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






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






29. The part of the body of an animal that is between the neck or head and the abdomen






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






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






32. The recycling of carbon from decaying organisms for use in future generations






33. Outgrowths of a root's epidermal cells that allow for greater surface area for absorption of nutrients and water






34. The male gonads that produce sperm and male hormones






35. Technology that allows for manipulation of genetic material






36. 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






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






38. The cell membrane






39. The enzyme that acts upon lactose






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






41. A remnant of follicle after ovulation that secretes the hormone progesterone






42. One or two or more types of genes - each representing a particular trait; many alleles exist for a specific gene locus






43. A reproductive cell that is capable of developing directly into an adult






44. A grouping of neuron cell bodies that acts as a coordinating center






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






46. Occurs when a segment of genetic material on a chromosome becomes reversed






47. 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






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






49. The second filial generation; offspring resulting from the crossing of individuals of the F1 generation






50. Agent that induces mutations; typically carcinogenic







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