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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. The ourter part of the adrenal gland that secretes many hormones - including cortisone and aldosterone






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






3. The area of medulla that regulates the rate of breathing






4. The portion of the embryonic seed plant below the point of attachment of the coytledon; form the root






5. A fat or oil






6. A type of virus that can destroy bacteria by infecting - parasitizing and eventually killing them






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






8. An endocrine gland of vertebrates - usually paired - and located near or within the thyroid that secretes parathormone - which controls the metabolism of calcium






9. The part of the flower that produces pollen






10. A substance that prevents appreciable changes in pH in solutions to which small quantities of acids or bases are added






11. A change from a diploid nucleus to a haploid nucleus - as in meiosis






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






13. A "seed leaf"; responsible for food digestion and storage in plant embryo






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






15. A sensory organ capable of detecting light






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






17. The coagulation of blood caused by the rupture of platelets and the interaction of fibrin - fibrinogen - thrombin - prothrombin and calcium ions






18. A reproductive cell






19. A network or mesh of fibrils - fibers or filaments






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






21. A sugar composed of two combined monosaccharides






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






23. Waves of contraction and relaxation passing along a tubular structure - such as the digestive tube






24. A hormone that ripens fruit and induces aging






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






26. Pertaining to the head






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






28. A flowering plant with simple dry fruit - characterized by nodes on their roots that contain nitrogen-fixing bacteria






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






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






31. An abbreviation of nicotinamide-adenine-dinucleotide - also called DPN; a respiratory oxidation-reduction molecule






32. Describes two or more structures that have similar forms - positions and origins despite the differences between their current functions






33. The class of free-living flatworms






34. A female sex hormone secreted by the follicle






35. Protein threads that form in the blood during clotting






36. A plant that lives on another plant mensalistically






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






38. Technology that allows for manipulation of genetic material






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






40. A resistance to disease developed through the immune system






41. Blood protein that is transformed to fibrin upon clotting






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






43. 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






44. The separation of some members of a population from the rest of their species; prevents interbreeding and may lead to the development of a new species






45. 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






46. A duct through which the urine passes from the bladder to the outside






47. 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






48. An enzyme that acts upon sucrose






49. The final stages of protein synthesis in which the genetic code of nucleotide sequences is translated into a sequences of amino acids






50. A sex or reproductive cell that must fuse with another of the opposite type to form a zygote







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