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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 waxy protective layer secreted by the outer surface of plants - insects - etcetera






2. Describes a fluid that has the same osmotic pressure as a fluid it is compared to






3. The cellular layer that covers external and internal surfaces






4. A chemical action that releases energy from glucose to form ATP






5. A thin - transparent - eyelid-like membrane that opens and closes laterally across the cornea of many vertebrates (the third eyelid)






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






7. Describes a fluid that has a higher osmotic pressure than another fluid it is compared to






8. A plant that belongs to the class of seed plants in which the seeds are not enclosed in an ovary; includes the conifers






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






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






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






12. A dark-staining small body within the nucleus; composed of RNA






13. Compounds in bile that aid in emulsification






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






15. Any cell that is not a reproductive cell






16. The individual differences of form among the members of a species






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






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






19. In taxonomy - a classification between species and family






20. A substance that participates in the clotting of blood in vertebrates






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






22. 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)






23. Agent that induces mutations; typically carcinogenic






24. A ring-shaped muscle that is capable of closing a tubular opening by constriction






25. The instance of polymorphism in which there is a difference of form between two members of a species - as between males and females






26. There are two kinds of sex chromosomes - X and Y; XX signifies a female and XY signifies a male






27. A tube connecting the ovaries and the uterus






28. An air-conducting tube






29. A fat-digesting hormone






30. An excretory product of protein metabolism






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






32. A hoofed animal






33. Pertains to a gene or characteristic that is masked when a dominant allele is present






34. An organism that possesses both the male and the female reproductive organs






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






36. A plant that lives on another plant mensalistically






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






38. A habitat zone - such as desert - grassland or tundra






39. An enzyme from the pancreas that digests proteins in the small intestine






40. An association between an algae and a fungus that is symbiotic and mutualistic in nature






41. Pertaining to a type of gland that releases its secretion through a duct






42. The production of daughter cells by means other than the sexual union of gametes (as in budding and binary fission)






43. A typical coelenterate individual with a hollow tubular body whose outer ectoderm is separated from its inner ectoderm by mesoglea






44. A nuclear protein of chromosomes that stains readily






45. Blood protein that is transformed to fibrin upon clotting






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






47. The study of form and structure






48. The male gonads that produce sperm and male hormones






49. 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






50. xylem that is no longer being used