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






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






3. A form of anaerobic respiration found in yeast and bacteria






4. The inner portion of the cytoplasm of a cell or the portion that surrounds the nucleus






5. A blood vessel that carries blood back to the heart from the capillaries






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






7. A hormonal secretion of the adrenal cortex






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






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






10. The transfer of pollen to the micropyle or to a receptive surface that is associated with an ovule (such as stigma)






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






12. A mature ovary






13. A dominant allele suppresses the expression of the other member of an allele pair when both members are present






14. The navel






15. The primary germ layer - developed from the lip of the blastopore - that gives rise to the skeleton - the circulatory system and many organs and tissues between the epidermis and the epithelium






16. A hormone that stimulates plant stem elongation






17. The system of naming an organism by its genus and species name






18. A bone of the upper arm






19. A mutation in which a single nucleotide base is substituted for another nucleotide base - or an extra nucleotide base is added






20. Usually referred to as ACTH and secreted by the anterior lobe of the pituitary gland; stimulates the adrenal cortex to produce its characteristic hormones






21. An organism that must get its inorganic and organic raw materials from the environment; a consumer






22. The intake of food from the environment into the alimentary canal






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






24. A response by an organism to the duration and timing of light and dark conditions






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






26. Anaerobic respiration the yields 2 molecules of ATP - lactic acid - ethyl alcohol and carbon dioxide or some similar compound via the glycolytic pathway






27. The anaerobic respiration of carbohydrates






28. Undifferentiated tissue in the stem of a plant that aids growth in width






29. The uppermost portion of pistil upon which pollen grains alight






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






31. A specialized structure that carries out particular functions for eukaryotic cells






32. A group of populations that can interbreed






33. Pertaining to the head






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






35. A stage of embryonic development characterized by the differentiation of the cells into the ectoderm and endoderm germ layers and by the formation of the archenteron






36. One of a pair of kidney-shaped cells that surround a stomate and regulate the size of the stomate in a leaf






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






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






39. A kind of microorganism that is between a virus and a bacterium; parasitic within the cells of insects and ticks






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






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






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






43. A blood vessel that carries blood away from the heart






44. The small granular body within the centrosome to which the spindle fibers attach






45. 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






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






47. A protein compound containing iron that is found in red blood cells






48. A fat or oil






49. A nerve cell






50. The ability of an organism to contribute its alleles and therefore is phenotypic traits to future generations