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 smallest particle that is capable of carrying out photosynthesis; the functional unit of a chloroplast






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






3. The organelle that provides mechanical support and carries out motility functions for the cell






4. An organism that must get its inorganic and organic raw materials from the environment; a consumer






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






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






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






8. A motile - multinucleate mass of protoplasm resulting from fusion of uninuclear amoeboid cells






9. The pairing of homologous chromosomes during meiosis






10. The phylum to which jointed-legged invertebrates belong - including insects - arachnids and crustaceans






11. The more muscular chamber(s) of the heart that pump blood to the lungs and to the rest of the body






12. A female sex hormone secreted by the follicle






13. A portion of the CNS consisting of cytons (cell bodies) - their dendrites and synaptic connections






14. Fluid skeleton of annelids






15. The ability to respond to a stimulus






16. Cytoplasmic organelles that serve as sites of respiration; a rod-shaped body in the cytoplasm known to be the center of cellular respiration






17. A "seed leaf"; responsible for food digestion and storage in plant embryo






18. The area of medulla that regulates the rate of breathing






19. A lateral region of the forebrain






20. A grouping of neuron cell bodies that acts as a coordinating center






21. The living together of two organisms in an intimate relationship






22. 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






23. The process by which environmental patterns or objects presented to a developing organism during a "critical period" of its growth is accepted as a permanent element of its behavior






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






25. The transfer of pollen to the micropyle or to a receptive surface that is associated with an ovule (such as stigma)






26. The process by which a certain function is regulated by the amount of the substance it produces






27. A nerve fiber






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






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






30. A gland composed of two parts - anterior and posterior - each with its own secretions; called the "master gland" because its hormones stimulate secretions by other glands






31. Living - as in living organisms in the environment






32. Describes arthropods and other animals whose skeletal or supporting structures are outside the skin






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






34. A colloidal system involving the dispersion of a liquid within a liquid






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






36. A microscopic opening located in the epidermis of a leaf and formed by a pair of guard cells






37. Describes a fluid that has the same osmotic pressure as a fluid it is compared to






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






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






40. The conversion of digested foods and other materials into forms usable by the body (i.e. - the conversion of amino acids into proteins)






41. The study of form and structure






42. The transfer of pollen from the stamen to the pistil of the same flower






43. The class of free-living flatworms






44. The dorsal part of the hip girdle






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






46. Pertaining to the head






47. Partially digested food in the stomach






48. A cell that divides to form two secondary spermatocytes






49. A bone of the upper arm






50. Deoxyribonucleic acid; found in cell nucleus - its basic unit is the nucleotide; contains coded genetic information; can replicate on the basis of heredity