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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. Protein threads that form in the blood during clotting






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






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






4. A hydrogen carrier containing iron that functions in many cellular processes - including respiration






5. A jellyfish






6. The external opening of the trachea in insects






7. The ways in which organisms regulate their internal heat






8. A plant that has a single cotyledon or seed-leaf






9. One of many tubules that absorb tissue fluid and return it to the bloodstream via the lymphatic system






10. The living matter of a cell - located between the cell membrane and the nucleus






11. The genetic makeup of an organism without regard to physical appearance






12. An organic nutrient required by organisms in small amounts to aid in proper metabolic processes






13. Pertaining to a subdivision of the autonomic nervous system of vertebrates






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






15. The vascular tissue of a plant that transports organic materials (photosynthetic products) from the leaves to other parts of the plant






16. One of the two strands that constitute a chromosome; chromatids are held together by the centromere






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






18. The thigh bone of vertebrates






19. The pairing of homologous chromosomes during meiosis






20. A form of asexual reproduction in which the egg develops in the absence of sperm






21. The outer - transparent layer of the eye






22. A dense fluid within the chloroplast in which CO2 is converted into sugars in photosynthesis






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






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






25. A resistance to disease produced through the injection of antibodies






26. A disease-causing organism






27. An offspring that is heterozygous for one or more gene pairs






28. The cell body of a neuron






29. Describes an individual that possesses two contrasting alleles for a given trait






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






31. A chemical messenger that is secreted by one part of the body and carried by the blood to affect another part of the body - usually a muscle or gland






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






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






34. A flesh-eating animal; a holotrophic animal that subsists on other animals or parts of animals






35. An abbreviation of nicotinamide-adenine-dinucleotide-phosphate - also called TPN; an organic compound that serves as an oxidation-reduction molecule






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






37. Plant tissue consisting of large thin-walled cells for storage






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






39. The basal branch of each spinal nerve; carries motor neurons






40. A group of populations that can interbreed






41. The cavity in the mammalian ovary in which the egg ripens






42. An ion with a positive charge - or an ion that migrates towards the cathode (negative electrode) in an electric field






43. Describes a fluid that has a lower osmotic pressure than a fluid it is compared to






44. Occurs when a segment of genetic material on a chromosome becomes reversed






45. The largest artery; carries blood from the left ventricle






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






47. The innermost tissue layer of the eyeball that contains light-sensitive receptor cells






48. The cellular layer that covers external and internal surfaces






49. Organism that consumes food from outside itself instead of producing it






50. Describes an individual that has the same gene for the same trait on each homologous chromosome