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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 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






2. An organelle that regulates cell functions and contains the genetic material of the cell






3. The thigh bone of vertebrates






4. A sugar composed of two combined monosaccharides






5. A hormonal secretion of the adrenal cortex






6. The chamber in the alimentary canal of certain vertebrates located below the large intestine - into which the ureter and reproductive organs empty (as in frogs)






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






8. A hoofed animal






9. A four-letter code made up of the DNA nitrogen bases A - T - G and C; each chromosome is made up of thousands of these bases






10. The veins that carry blood from the digestive organs to the liver






11. The cell membrane






12. A reproductive cell






13. A class of arthropods that includes scorpions - spiders - mites and ticks






14. An emulsifying agent secreted by the liver






15. A structure of the eye that focuses images on the retina by changing its convexity






16. A lymph tubule located in the villus that absorbs fatty acids






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






18. A process of photosynthesis in which water is split into H+ and OH-; the hydrogen ion is then joined to NADP






19. Cells which in the female are located between the ovarian follicles and in the male are located between the seminiferous tubules of the testes






20. A bone of the upper arm






21. An undifferentiated - growing region of a plant that is constantly undergoing cell division and differentiation






22. Cycle in photosynthesis that reduces fixed carbon to carbohydrates through the addition of electrons ("dark cycle")






23. One of the primary tissues of the embryo






24. The ability to respond to a stimulus






25. A complex carrier mechanism located on the inside of the inner mitochondrial membrane of the cell; releases energy and is used to form ATP






26. 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)






27. Protein threads that form in the blood during clotting






28. 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






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






30. Protective immunity to a disease in which the individual produces antibodies as a result of previous exposure to the antigen






31. A space in the cytoplasm of a cell that contains fluid






32. A structure formed by the wall of the uterus and the chorion of the embryo; serves as the area in which the embryo obtains nutrition from the parent






33. 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






34. The outer - transparent layer of the eye






35. Partially digested food in the stomach






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






37. Changes in genes that are inherited






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






39. 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






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






41. In mammals - a flap of tissue above the glottis; it folds back over the glottis in swallowing to close the air passages of the lungs; contains elastic cartilage






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






43. The science of classification of living things






44. A cell in the retina that is sensitive to weak light






45. An organism that possesses one or more whiplike appendages called flagella






46. An abbreviation of ribonucleic acid - a nucleic acid in which the sugar is ribose; a product of DNA transcription that serves to control certain cell activities






47. A decimal fraction that represents the presence of an allele for all members of a population that have a particular gene locus






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






49. A network - particularly of nerve or blood vessels






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







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