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






2. The recycling of carbon from decaying organisms for use in future generations






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






4. A short - stubby rod consisting of chromatin that is found in the nucleus of the cells; contains the genetic or hereditary component of cells (in the form of genes)






5. An over secretion of thyroid that leads to high metabolism and exopthalmia goiter






6. A substance that is acted upon by an enzyme






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






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






9. The sensory branch of each spinal nerve






10. The outermost bone of the middle ear (hammer)






11. A jellyfish






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






13. A microscopic - whiplike filament that serves as a locomotor structure in flagellate cells






14. 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






15. The cellular layer that covers external and internal surfaces






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






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






18. A nerve fiber






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






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






21. Anaerobic respiration the yields 2 molecules of ATP - lactic acid - ethyl alcohol and carbon dioxide or some similar compound via the glycolytic pathway






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






23. A five carbon sugar that has one oxygen atom less than ribose; a component of DNA






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






25. A bundle of nerve axons






26. A blood clot that is formed within a blood vessel






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






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






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






30. A thyroid deficiency that results in stunted growth and feeblemindedness






31. A compact linear organization of nerve tissues with ganglia in the CNS






32. A hormone that stimulates plant stem elongation






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






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






35. Cycle in photosynthesis that reduces fixed carbon to carbohydrates through the addition of electrons ("dark cycle")






36. One of the primary tissues of the embryo






37. A section of the posterior forebrain associated with the pituitary gland






38. The process of breaking down large organic molecules into smaller ones






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






40. The recycling of nitrogen from decaying organism for use in future generations






41. Functional urinary tubules responsible for excretion in the kidney of vertebrates






42. A structure that extends from the trunk of an organism and is capable of active movements






43. The law by which genes on different chromosomes are inherited independently of each other






44. A cell in the retina that is sensitive to weak light






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






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






47. xylem that is no longer being used






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






49. A disease-causing organism






50. The veins that carry blood from the digestive organs to the liver






Can you answer 50 questions in 15 minutes?



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