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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 simple sugar






2. Any movement or growth of a living organism in response to the force of gravity






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






4. All the members of a given species inhabiting a certain locale






5. A plant that lives on another plant mensalistically






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






7. Describes organisms that are cooperative in action - such as hormones or other growth factors that reinforce each other's activity






8. The reproductive organ that produces sex cells






9. The central tissue of a stem - used for food storage






10. A stage of embryonic development in which the embryo consists of a hollow ball of cells






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






12. An undifferentiated - growing region of a plant that is constantly undergoing cell division and differentiation






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






14. A nitrogen base that is present in nucleotides and nucleic acids; it is paired with guanine






15. A network of membrane-enclosed spaces connected with the nuclear membrane; transports materials through the cell; can be soft or rough






16. Describes an organism that lives symbiotically with a host; this host neither benefits nor suffers from the association






17. The ability to respond to a stimulus






18. A symbiotic relationship from which both organisms involved derive some benefit






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






20. Pertaining to the head






21. A kind of white blood cell in vertebrates that is characterized by a rounded nucleus; involved in the immune response






22. A microscopic opening located in the epidermis of a leaf and formed by a pair of guard cells






23. A pyrimidine found in RNA (but not DNA); pairs with DNA adenine






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






25. Any organism that is the victim of a parasite






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






27. Any cell capable of ingesting another cell






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






29. A complex carrier mechanism located on the inside of the inner mitochondrial membrane of the cell; releases energy and is used to form ATP






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






31. An anucleate red blood cell that contains hemoglobin






32. The cell membrane






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






34. A plant that has two seed leaves or cotyledons






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






36. An underground stem






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






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






39. The study of form and structure






40. Partially digested food in the stomach






41. The living together of two organisms in an intimate relationship






42. Any chromosome that is not a sex chromosome






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






44. The thin-walled anterior chamber of the heart (also called the auricle)






45. The navel






46. A mall sex hormone (e.g. - testosterone)






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






48. A flowering plant; a plant of the class Angiospermae that produces seeds enclosed in an ovary and is characterized by the possession of fruits and flowers






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






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