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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. Adenosine diphosphate (ADP) and adenosine triphosphate (ATP) - which are energy storage molecules






2. One of the primary tissues of the embryo






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






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






5. The transformation of an immature animal into an adult; a change in the form of an organ or structure






6. The science of classification of living things






7. The inner portion of the cytoplasm of a cell or the portion that surrounds the nucleus






8. Hormone active in osmoregulation; a mineral corticoid produced by the adrenal cortex; stimulates reabsorption of Na+ and secretion of K+






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






10. Any organism that is the victim of a parasite






11. A space in the body






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






13. In mammals - the slitlike opening formed by the vocal folds in the larynx






14. Pertaining to a type of gland that releases its secretion through a duct






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






16. 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






17. An organic cofactor required for enzyme activity






18. A stage of embryonic development characterized by the differentiation of the cells into the ectoderm and endoderm germ layers and by the formation of the archenteron






19. The mammalian oviduct that leads from the ovaries to the uterus






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






21. Globular proteins produced by tissues that destroy or inactivate antigens






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






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






24. An antigen in blood; can cause erythroblastosis fetalis when the mother is Rh- and the fetus is Rh+






25. The part of the nervous system that regulates the involuntary muscles - such as the walls of the alimentary canal; includes the parasympathetic and sympathetic nervous systems






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






27. A change from a diploid nucleus to a haploid nucleus - as in meiosis






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






29. An abbreviation of nicotinamide-adenine-dinucleotide-phosphate - also called TPN; an organic compound that serves as an oxidation-reduction molecule






30. One-thousandth of a millimeter; a unit of microscopic length






31. A sugar composed of two combined monosaccharides






32. An organism that does not require free oxygen in order to respire






33. Secreted by the anterior pituitary gland - this hormone stimulates the conversion of a follicle into the corpus luteum and the secretion of progesterone by the corpus luteum






34. A kind of microorganism that is between a virus and a bacterium; parasitic within the cells of insects and ticks






35. A mutation in which a single nucleotide base is substituted for another nucleotide base - or an extra nucleotide base is added






36. Semen






37. An organ that stores bile






38. The intake of fluid droplets into a cell






39. The portion of a DNA molecule that serves as a unit of heredity; found on the chromosome






40. Usually referred to as ACTH and secreted by the anterior lobe of the pituitary gland; stimulates the adrenal cortex to produce its characteristic hormones






41. The microspore of a seed plant






42. The dorsal part of the hip girdle






43. An animal phylum in which all members have a notochord - dorsal nerve cord and pharyngeal gill slits at some embryonic stage; includes the Cephalochordata and the Vertebrates






44. 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)






45. An opening in the eye whose size is regulated by the iris






46. A chemical messenger that is secreted by one part of the body and carried by the blood to affect another part of the body - usually a muscle or gland






47. Undifferentiated tissue in the stem of a plant that aids growth in width






48. A process of formation of ova






49. Random evolutionary changes in the genetic makeup of a population






50. Protective immunity to a disease in which the individual produces antibodies as a result of previous exposure to the antigen