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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. The outermost surface of an organism






2. A group of populations that can interbreed






3. A mitotic stage in which nuclei reform and nuclear membrane reappears






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






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






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






7. A nuclear protein of chromosomes that stains readily






8. Any cell capable of ingesting another cell






9. The type of mating that occurs when an organism selects a mating partner that resembles itself






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






11. A multidirectional sensory system of lower animals such as the hydra - consisting of nerve fibers spread throughout the ectoderm






12. A tube one cell thick that carries blood from artery to vein; the site of material exchange between the blood and tissues of the body






13. Describes structures that have similar function but different evolutionary origins; e.g. - a bird's wing and a moth's wing






14. A transmitter substance released from the axons of nerve cells at the synapse






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






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






17. A jellyfish






18. Outgrowths of a root's epidermal cells that allow for greater surface area for absorption of nutrients and water






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






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






21. A colloidal system involving the dispersion of a liquid within a liquid






22. An enzyme that acts upon sucrose






23. The kind of bond formed when two amino acid units are jointed end to end






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






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






26. A reproductive cell






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






28. The study of all living processes - activities and functions






29. A process of formation of ova






30. A stomach enzyme that partially digests proteins






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






32. Deoxyribonucleic acid; found in cell nucleus - its basic unit is the nucleotide; contains coded genetic information; can replicate on the basis of heredity






33. An organic compound to which hydrogen and oxygen are attached; the hydrogen and oxygen are in a 2:1 ratio; examples include sugars - starches and cellulose






34. The movement of particles from one place to another as a result of their random motion






35. 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






36. In mammals - the slitlike opening formed by the vocal folds in the larynx






37. An embryonic structure that gives rise to the central nervous system






38. A perforation leading from the pharynx to the outside environment that is a characteristic of chordates at one stage of their development






39. An organ centrally involved in the human digestive system






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






41. Pertaining to the head






42. One of a class of organic compounds that contains a molecular skeleton of four fused rings of carbon






43. Adenosine diphosphate (ADP) and adenosine triphosphate (ATP) - which are energy storage molecules






44. A unit of heat; the amount of heat required to raise the temperature of one gram of water by one degree centigrade






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






46. A plastid containing chlorophyll






47. An organ that is not functional in an organism - but was functional at some period in its evolution






48. 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






49. A network - particularly of nerve or blood vessels






50. Substance secreted by organisms that influences the behavior of other members of the same species







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