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






2. The ways in which organisms regulate their supply of water






3. A lateral region of the forebrain






4. 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






5. The portion of alimentary canal connecting the pharynx and the stomach






6. A hormonal secretion of the adrenal cortex






7. An organelle that contains enzymes that aid in intracellular digestion






8. A nitrogenous base such as adenine or guanine; when joined with sugar or phosphate - a component of nucleotides and nucleic acids






9. A plastid containing chlorophyll






10. Any cell capable of ingesting another cell






11. An excretory product of protein metabolism






12. Genetic blending; each allele exerts some influence on the phenotype






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






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






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






16. The more muscular chamber(s) of the heart that pump blood to the lungs and to the rest of the body






17. The hind portion of the forebrain of vertebrates






18. Related to the sense of smell






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






20. The area of medulla that regulates the rate of breathing






21. 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






22. The transfer of pollen from the stamen to the pistil of the same flower






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






24. A type of anaerobic respiration found in fungi - bacteria and human muscle cells






25. The study of the evolutionary descent and interrelations of groups of organisms






26. A family tree depicting the inheritance of a particular genetic trait over several generations






27. A structure that arises during mitosis and helps separate the chromosomes; composed of tubulin






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






29. A bony or chitinous case or shield covering the back or part of the back of an animal (shell of a crab)






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






31. An air sac in the lung; the site of respiratory exchange - involving diffusion of oxygen and carbon dioxide between the air in the alveolus and the blood in the capillaries






32. The cell membrane






33. A purine (nitrogenous base) component of nucleotides and nucleic acids; links with cytosine in DNA






34. A large class of arthropods - including crabs and lobsters






35. A female sex hormone secreted by the follicle






36. Structures in the testes that produce sperm and semen






37. A portion of the CNS consisting of cytons (cell bodies) - their dendrites and synaptic connections






38. 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






39. A nerve cell






40. The sensory organ of the inner ear of mammals; it is coiled and contains the organ of corti






41. The functional role and position of an organism in an ecosystem; embodies every aspect of the organism's existence






42. Asexual reproduction; in this process - the parent organism splits into two equal daughter cells






43. The largest portion of the human brain; it is believed to be the center of intelligence - conscious thought and sensation






44. A duct through which the urine passes from the bladder to the outside






45. Requiring free oxygen from the atmosphere for normal activity and respiration






46. The most anterior portion of the small intestine of vertebrates - adjacent to the stomach; the continuation of the stomach into which the bile duct and pancreatic duct empty






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






48. A cell in the retina that is sensitive to colors and is responsible for color vision






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






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







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