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






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






3. An organic catalyst and protein






4. The triploid tissue in some seeds that contains stored food and is formed by the union of one sperm nucleus with two nuclei of the female's gametophyte






5. The outermost surface of an organism






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






7. A plant-eating animal






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






9. The coiled part of the sperm duct - adjacent to the testes in mammals






10. A network of capillaries in the Bowman's capsules of the kidney






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






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






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






14. Blood protein that is transformed to fibrin upon clotting






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






16. Globular proteins produced by tissues that destroy or inactivate antigens






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






18. A nerve fiber






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






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






21. Any chromosome that is not a sex chromosome






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






23. A disease-causing organism






24. The large intestine






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






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. A marine biome; a region on the continental shelf that contains an ocean area with depths of up to 600 ft






28. The hind portion of the forebrain of vertebrates






29. 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






30. A neuron that picks up impulses from receptors and transmits them to the spinal cord






31. The junction or gap between the axon terminal of one neuron and the dendrites of another neuron






32. 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






33. Tubules that excrete metabolic wastes into the hindgut in arthropods






34. An "emergency" hormone stimulated by anger or fear; increase blood pressure and heart rate in order to supply the emergency needs of the muscles






35. The female gamete; it is nonmotile - large in comparison to male gametes - and stores nutrients






36. The transfer of a piece of chromosome to another chromosome






37. Membranous organelles involved in the storage and modification of secretory products






38. The space between the mesodermal layers that forms the body cavity of some animal phyla






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






40. The association of physical - visceral response with an environmental stimulus with which it is not naturally associated; a learned response






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






42. Blood vessels located between ascending and descending aortas that deliver blood to most of the upper body






43. The stable - biotic part of the ecosystem in which populations exist in balance with each other and with the environment






44. The sac in the ovary in which the egg develops






45. 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






46. Laws of classical genetics established through Mendel's experiments with peas






47. A symbol that denotes the relative concentration of hydrogen ions in a solution






48. A vacuole in the cytoplasm in which digestion takes place (in protozoans)






49. A plastid containing chlorophyll






50. A cell that divides to form the polar body and the secondary oocyte