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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. A sugar composed of two combined monosaccharides






2. A perforation leading from the pharynx to the outside environment that is a characteristic of chordates at one stage of their development






3. A fat-digesting hormone






4. Unicellular organism with simple cell structure






5. In mammals - a flap of tissue above the glottis; it folds back over the glottis in swallowing to close the air passages of the lungs; contains elastic cartilage






6. The womb in which the fetus develops






7. The fusion of sperm and the egg to produce a zygote






8. 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






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






10. A duct that carries urine from the kidneys to the bladder






11. An embryonic structure that gives rise to the central nervous system






12. A marine biome; a region on the continental shelf that contains an ocean area with depths of up to 600 ft






13. A hormone that regulates water reabsorption






14. Globular proteins produced by tissues that destroy or inactivate antigens






15. A female sex hormone secreted by the follicle






16. Blood protein that is transformed to fibrin upon clotting






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






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






19. Laws of classical genetics established through Mendel's experiments with peas






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






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






22. An underground stem






23. An organic cofactor required for enzyme activity






24. A fluid-filled sensory apparatus that aids balance and hearing






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






26. A remnant of follicle after ovulation that secretes the hormone progesterone






27. A class of arthropods that includes scorpions - spiders - mites and ticks






28. A plant growth hormone






29. One of the two strands that constitute a chromosome; chromatids are held together by the centromere






30. The hindbrain region that controls equilibrium and muscular coordination






31. A nuclear protein of chromosomes that stains readily






32. The microspore of a seed plant






33. A dense fluid within the chloroplast in which CO2 is converted into sugars in photosynthesis






34. The tenth cranial nerve that innervates digestive organs - heart and other areas






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






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






37. The study of all living processes - activities and functions






38. The removal of an amino group from an organism - particularly from an amino acid






39. A structure of the eye that focuses images on the retina by changing its convexity






40. A relationship in which one organism benefits at the expense of another






41. A condition in which an organism may have a multiple of the normal number of chromosomes (4n - 6n - etc)






42. The sensory branch of each spinal nerve






43. A process by which the cytoplasm and the organelles of the cell divide; the final stage of mitosis






44. A marine biome typical of the open seas






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






46. A starch form in animals; glucose is converted to this in the liver






47. A bone of the upper arm






48. The process of breaking down large organic molecules into smaller ones






49. Relating to the lung






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