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 ability of certain animals to regrow missing body parts






2. The process by which water and dissolved substances pass through a membrane






3. Any physical feature that prevents the ecological niches of different organisms from overlapping






4. The ways in which organisms regulate their internal heat






5. A mass of cells that have similar structures and perform similar functions






6. The exchange of parts of homologous chromosomes during meiosis






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






8. The hindbrain region that controls equilibrium and muscular coordination






9. A period in the development of animals between the embryo and adult stages; starts at hatching and ends in metamorphasis






10. The pairing of homologous chromosomes during meiosis






11. The outermost surface of an organism






12. 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






13. 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






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






15. Encompasses the brain and the spinal cord






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






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






18. A multidirectional sensory system of lower animals such as the hydra - consisting of nerve fibers spread throughout the ectoderm






19. A plant growth hormone






20. A 12-carbon sugar that is formed by the union of two glucose units (a disaccharide)






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






22. 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






23. xylem that is no longer being used






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






25. An endocrine gland located in the neck that produces thyroxin






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






27. A mall sex hormone (e.g. - testosterone)






28. The cavity in the mammalian ovary in which the egg ripens






29. An organism that is heterozygous for two different traits






30. The cellular layer that covers external and internal surfaces






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






32. A hormone that stimulates plant stem elongation






33. A network of membrane-enclosed spaces connected with the nuclear membrane; transports materials through the cell; can be soft or rough






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






35. A hormone that regulates water reabsorption






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






37. Describes an individual that possesses two contrasting alleles for a given trait






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






39. In taxonomy - a classification between species and family






40. Waves of contraction and relaxation passing along a tubular structure - such as the digestive tube






41. Occurs when a segment of genetic material on a chromosome becomes reversed






42. Genetic blending; each allele exerts some influence on the phenotype






43. Any organism that is the victim of a parasite






44. Passively floating or drifting flora and fauna of a body of water; consists mainly of microscopic organisms






45. A structure that arises during mitosis and helps separate the chromosomes; composed of tubulin






46. A tube connecting the ovaries and the uterus






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






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






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






50. A transmitter substance released from the axons of nerve cells at the synapse