Test your basic knowledge |

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. The fist stage of protein synthesis - in which the information coded in the DNA base is transcribed onto a strand of mRNA






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






3. A hydrogen carrier containing iron that functions in many cellular processes - including respiration






4. A hormonal secretion of the adrenal cortex






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






6. The sensory branch of each spinal nerve






7. The study of organisms in relation to their environment






8. A resistance to disease produced through the injection of antibodies






9. A stalklike or elongated body part - usually pointed at one end






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






11. Changes in genes that are inherited






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






13. A mutation involving the addition or loss of nucleotides






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






15. Self-digestion occurring in plant and animal tissues - particularly after they have ceased to function properly






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






17. The cell body of a neuron






18. A lymph tubule located in the villus that absorbs fatty acids






19. The production of a number of different species from a single ancestral species






20. An organ that is not functional in an organism - but was functional at some period in its evolution






21. Pertaining to a subdivision of the autonomic nervous system of vertebrates






22. An air-conducting tube






23. A plastid containing chlorophyll






24. An emulsifying agent secreted by the liver






25. 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






26. An anucleate red blood cell that contains hemoglobin






27. The triploid tissue in some seeds that contains stored food and is formed by the union of one sperm nucleus with two nuclei of the female's gametophyte






28. Comprises somatic and autonomic nervous systems; consists of cranial nerves and spinal nerves






29. The womb in which the fetus develops






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






31. 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)






32. Occurs when different traits are inherited together more often than they would have been by chance along; it is assumed that these traits are linked on the same chromosome






33. Agent that induces mutations; typically carcinogenic






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






35. The liquid part of blood






36. A cell that divides to form two secondary spermatocytes






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






38. A decimal fraction that represents the presence of an allele for all members of a population that have a particular gene locus






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






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






41. An individual that is heterozygous for only one trait






42. In plants - an area of undifferentiated tissue covered by embryonic leaves






43. The removal of an amino group from an organism - particularly from an amino acid






44. A sex or reproductive cell that must fuse with another of the opposite type to form a zygote






45. Blood vessels located between ascending and descending aortas that deliver blood to most of the upper body






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. A plant that belongs to the class of seed plants in which the seeds are not enclosed in an ovary; includes the conifers






48. A fat or oil






49. Related to the sense of smell






50. One of the two strands that constitute a chromosome; chromatids are held together by the centromere