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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 association between an algae and a fungus that is symbiotic and mutualistic in nature






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






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






4. A foreign protein that stimulates the production of antibodies when introduced into the body of an organism






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






6. A type of nuclear division that is characterized by complex chromosomal movement and the exact duplication of chromosomes; occurs in somatic cells






7. Pertaining to a restricted locality; ecologically - occurring only in one particular region






8. The process by which carbohydrates are formed through chemical energy; found in bacteria






9. Any organism that is the victim of a parasite






10. A tract of nerve fibers connecting the two cerebral hemispheres






11. A flowering plant with simple dry fruit - characterized by nodes on their roots that contain nitrogen-fixing bacteria






12. The sensory branch of each spinal nerve






13. 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






14. The pigment in rod cells that causes light sensitivity






15. A stage of mitosis; chromosomes line up at the equator of the cell






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






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






18. The exchange of parts of homologous chromosomes during meiosis






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






20. Refers to protective covering






21. A specialized structure that leads to the digestive tract of a developing organism and provides it with food during early development






22. A jellyfish






23. The posterior part of the brain that controls the rate of breathing and other autonomic functions






24. A structure of the eye that focuses images on the retina by changing its convexity






25. The phylum of sponges






26. The enzyme released from the blood platelets in vertebrates during clotting






27. An organism that requires oxygen for respiration and can live only in the presence of oxygen






28. Fluid excreted by the kidney containing urea - water - salts - etc






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






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






31. Describes two or more structures that have similar forms - positions and origins despite the differences between their current functions






32. The loss of all or part of a chromosome






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






34. 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






35. The primary germ layer - developed from the lip of the blastopore - that gives rise to the skeleton - the circulatory system and many organs and tissues between the epidermis and the epithelium






36. A small projection in the walls of the small intestine that increases the surface area available for absorption






37. One of the paired lateral divisions of the forebrain






38. A process of cell division whereby each daughter cell receives only one set of chromosomes; the formation of gametes






39. The stage in mitosis that is characterized by the migration of chromatids to opposite ends of the cell; the stage in meiosis during which homologus pairs migrate (Anaphase I) - and the stage in meiosis during which chromatids migrate to different end






40. The coagulation of blood caused by the rupture of platelets and the interaction of fibrin - fibrinogen - thrombin - prothrombin and calcium ions






41. A pair of chromosome pairs present during the first metaphase of meiosis






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






43. In plants - the tissue between the epidermis and the vascular cylinder in the roots and stems of plants; in animals - the outer tissue of some organs






44. The division in animal cell cytoplasm caused by the pinching in of the cell membrane






45. A major lymphatic that empties lymph into a vein in the neck






46. A mucus-secreting membrane






47. A hormone that regulates water reabsorption






48. The ourter part of the adrenal gland that secretes many hormones - including cortisone and aldosterone






49. Structures in the testes that produce sperm and semen






50. One of the primary tissues of the embryo