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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. Refers to protective covering






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






3. An enzyme that acts upon sucrose






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






5. 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






6. The science of classification of living things






7. A four-letter code made up of the DNA nitrogen bases A - T - G and C; each chromosome is made up of thousands of these bases






8. A space in the cytoplasm of a cell that contains fluid






9. A blood vessel that carries blood away from the heart






10. A space in the body






11. The individual differences of form among the members of a species






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






13. The haploid - sexual stage in the life cycle of plants






14. A form of asexual reproduction in which the egg develops in the absence of sperm






15. The inner part of the adrenal gland that secretes adrenalin






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






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






18. The class of free-living flatworms






19. The swelling at the end of an axon






20. A hormone that regulates water reabsorption






21. Multicellular organism






22. An organism that possesses both the male and the female reproductive organs






23. A disease-causing organism






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






25. The sac in the ovary in which the egg develops






26. A condition in which an organism may have a multiple of the normal number of chromosomes (4n - 6n - etc)






27. A green pigment that performs essential functions as an electron donor and light "entrapper" in photosynthesis






28. An "emergency" hormone stimulated by anger or fear; increase blood pressure and heart rate in order to supply the emergency needs of the muscles






29. Describes cells (gametes) that have half the chromosome number typical of the species






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






31. The production of daughter cells by means other than the sexual union of gametes (as in budding and binary fission)






32. The external opening of the trachea in insects






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






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






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






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






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






38. A process of asexual reproduction in which the offspring develop from an outgrowth of the plant or animal






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






40. The final stages of protein synthesis in which the genetic code of nucleotide sequences is translated into a sequences of amino acids






41. Structures in the testes that produce sperm and semen






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






43. The portion of the embryonic seed plant below the point of attachment of the coytledon; form the root






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






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






46. Any organism that is the victim of a parasite






47. An invertebrate animal phylum in which animals possess a single alimentary opening and tentacles with stinging cells






48. The state in which two genetic traits are fully expressed and neither dominates






49. A digestive enzyme of the saliva that turns starch into maltose (salivary amylase)






50. The fluid that remains after fibrinogen is removed from the blood plasma of vertebrates