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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. An organic compound to which hydrogen and oxygen are attached; the hydrogen and oxygen are in a 2:1 ratio; examples include sugars - starches and cellulose






2. A nitrogenous base such as adenine or guanine; when joined with sugar or phosphate - a component of nucleotides and nucleic acids






3. A large molecule that is composed of many similar molecule units






4. Movement of amoeba






5. An association of homologous chromosomes during the first meiotic division






6. Fluid skeleton of annelids






7. The orientation of cells or organisms in relation to chemical stimuli; the growth or movement response of organisms to chemical stimuli






8. A process of cell division whereby each daughter cell receives only one set of chromosomes; the formation of gametes






9. Describes organisms that are cooperative in action - such as hormones or other growth factors that reinforce each other's activity






10. A structure found between the cerebral hemispheres of vertebrates; secretes melatonin






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






12. The pollination of the pistil of one flower with pollen from the stamen of a different flower of the same species






13. Partially digested food in the stomach






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






15. The central tissue of a stem - used for food storage






16. The inner layer of an organ surrounded by the cortex






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






18. The womb in which the fetus develops






19. The portion of alimentary canal in which some protein digestion occurs






20. The study of form and structure






21. Substance secreted by organisms that influences the behavior of other members of the same species






22. The type of mating that occurs when an organism selects a mating partner that resembles itself






23. A hormone that ripens fruit and induces aging






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






25. A wall composed of cellulose that is external to the cell membrane in plants; it is primarily involved in support and in the maintenance of proper internal pressure






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






27. All the members of a given species inhabiting a certain locale






28. The outermost surface of an organism






29. An organism that utilizes the energy of inorganic materials such as water and carbon dioxide or the sun to manufacture organic materials






30. The coagulation of blood caused by the rupture of platelets and the interaction of fibrin - fibrinogen - thrombin - prothrombin and calcium ions






31. Organelles that serve as specialized containers for metabolic reactions






32. Describes an individual that has the same gene for the same trait on each homologous chromosome






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






34. Fluid-filled structures in the inner ear that are associated with the sense of balance






35. The innermost embryonic germ layer that gives rise to the lining of the alimentary canal and to the digestive and respiratory organs






36. A waxy protective layer secreted by the outer surface of plants - insects - etcetera






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






38. Related to the sense of smell






39. Protein threads that form in the blood during clotting






40. A network or mesh of fibrils - fibers or filaments






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






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






43. The recycling of nitrogen from decaying organism for use in future generations






44. Cytoplasmic bodies within a plant cell that are often pigmented






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






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






47. The transfer of a piece of chromosome to another chromosome






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






49. A space in the body






50. The contraction of the atria or ventricles of the heart







Sorry!:) No result found.

Can you answer 50 questions in 15 minutes?


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