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. An organism that obtains its nutrients from dead organisms






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






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






4. A duct through which the urine passes from the bladder to the outside






5. A five carbon sugar that has one oxygen atom less than ribose; a component of DNA






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






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






8. The creation of certain strains of specific traits through control of breeding






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






10. The largest artery; carries blood from the left ventricle






11. Cells which in the female are located between the ovarian follicles and in the male are located between the seminiferous tubules of the testes






12. A symbol that denotes the relative concentration of hydrogen ions in a solution






13. A specialized structure that controls osmotic pressure by removing water from the cell






14. Nonliving - as in the physical environment






15. A pouched mammal - such as the kangaroo or opossum






16. The pigment in rod cells that causes light sensitivity






17. Compounds in bile that aid in emulsification






18. A behavioral or biological change that enables an organism to adjust to its environment






19. An abbreviation of ribonucleic acid - a nucleic acid in which the sugar is ribose; a product of DNA transcription that serves to control certain cell activities






20. A plant that lives on another plant mensalistically






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






22. Vascular tissue of the plant that aids in support and carries water






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






24. The breeding of an organism with a homozygous recessive in order to determine whether an organism is homozygous dominant or heterozygous dominant for a given trait






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






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






27. The innermost tissue layer of the eyeball that contains light-sensitive receptor cells






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






29. Daily cycles of behavior






30. A pyrimidine found in RNA (but not DNA); pairs with DNA adenine






31. One of the primary tissues of the embryo






32. Encompasses the brain and the spinal cord






33. The outermost embryonic germ layer that gives rise to the epidermis and the nervous system






34. Three membranes that envelop the brain and spinal cord (pia mater - dura mater and arachnoid)






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






36. The navel






37. 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






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






39. The site of most digestion of nutrients and absorption of digested nutrients






40. An antipathogenic substance (e.g. - penicillin)






41. An over secretion of thyroid that leads to high metabolism and exopthalmia goiter






42. An organelle that regulates cell functions and contains the genetic material of the cell






43. A compact linear organization of nerve tissues with ganglia in the CNS






44. A form of anaerobic respiration found in yeast and bacteria






45. One of a pair of kidney-shaped cells that surround a stomate and regulate the size of the stomate in a leaf






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






47. A substance that participates in the clotting of blood in vertebrates






48. Living - as in living organisms in the environment






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






50. A cell resulting from the fusion of gametes