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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. Pertaining to a subdivision of the autonomic nervous system






2. The second filial generation; offspring resulting from the crossing of individuals of the F1 generation






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






4. A sensory organ capable of detecting light






5. The science of classification of living things






6. A green pigment that performs essential functions as an electron donor and light "entrapper" in photosynthesis






7. A carbohydrate that is composed of many monosaccharide units joined together






8. 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






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






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






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






12. A cell that divides to form the polar body and the secondary oocyte






13. A cell that divides to form two secondary spermatocytes






14. Chemical groups attached to carbon skeletons that give compounds their functionality






15. Structures in the testes that produce sperm and semen






16. Agent that induces mutations; typically carcinogenic






17. A mitotic stage in which nuclei reform and nuclear membrane reappears






18. Bacteria that are rod shaped






19. A chemical action that releases energy from glucose to form ATP






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






21. The phylum of sponges






22. Self-digestion occurring in plant and animal tissues - particularly after they have ceased to function properly






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






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






25. The outermost bone of the middle ear (hammer)






26. The ability of certain animals to regrow missing body parts






27. The functional role and position of an organism in an ecosystem; embodies every aspect of the organism's existence






28. A space in the cytoplasm of a cell that contains fluid






29. An individual that is heterozygous for only one trait






30. A muscular valve regulating the flow of food from the stomach to the small intestine






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






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






33. An organ that is not functional in an organism - but was functional at some period in its evolution






34. The anaerobic respiration of carbohydrates






35. The evaporation of water from leaves or other exposed surfaces of plants






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






37. Describes an organism that lives symbiotically with a host; this host neither benefits nor suffers from the association






38. 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






39. A nerve fiber






40. Organism that produces its own food; first stage in the food chain






41. Nonliving - as in the physical environment






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






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






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






45. An anucleate red blood cell that contains hemoglobin






46. The extraembryonic membrane in birds - reptiles and mammals that surrounds the embryo - forming an amniotic sac






47. A stage of mitosis; chromosomes line up at the equator of the cell






48. The largest portion of the human brain; it is believed to be the center of intelligence - conscious thought and sensation






49. Describes a fluid that has a higher osmotic pressure than another fluid it is compared to






50. The ourter part of the adrenal gland that secretes many hormones - including cortisone and aldosterone