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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. Blood protein that is transformed to fibrin upon clotting






2. Organelles that serve as specialized containers for metabolic reactions






3. A cell in the retina that is sensitive to colors and is responsible for color vision






4. Agent that induces mutations; typically carcinogenic






5. A tube one cell thick that carries blood from artery to vein; the site of material exchange between the blood and tissues of the body






6. Degree of penetrability - as in membranes that allow given substances to pass through; the ability to penetrate






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






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






9. A disease-causing organism






10. 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






11. Encompasses the brain and the spinal cord






12. A white or colorless - amorphous - horny substance that forms part of the outer integument of insects - crustaceans and some other invertebrates; it also occurs in certain fungi






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






14. A symbiotic relationship from which both organisms involved derive some benefit






15. The instance of polymorphism in which there is a difference of form between two members of a species - as between males and females






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






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






18. The study of the evolutionary descent and interrelations of groups of organisms






19. A dominant allele suppresses the expression of the other member of an allele pair when both members are present






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






21. An organelle in the cytoplasm that contains RNA; serves as the site of protein synthesis






22. A hydrogen carrier containing iron that functions in many cellular processes - including respiration






23. One of many tubules that absorb tissue fluid and return it to the bloodstream via the lymphatic system






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






25. 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






26. A pyrimidine component of nucleic acids and nucleotides; pairs with adenine in DNA






27. A hormone that stimulates plant stem elongation






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






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






30. A digestive enzyme of the saliva that turns starch into maltose (salivary amylase)






31. Secreted by the anterior pituitary gland - this hormone stimulates the conversion of a follicle into the corpus luteum and the secretion of progesterone by the corpus luteum






32. There are two kinds of sex chromosomes - X and Y; XX signifies a female and XY signifies a male






33. A stage of embryonic development in which the embryo consists of a hollow ball of cells






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






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






36. Fluid in the eye - found between the cornea and the lens






37. The space between the mesodermal layers that forms the body cavity of some animal phyla






38. The sac in the ovary in which the egg develops






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






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






41. The part of the alimentary canal between the mouth and the esophagus






42. A nitrogen base such as cytosine - thymine and uracil; when joined with sugar or phosphate - a component of nucleotides and nucleic acids






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






44. A pair of chromosome pairs present during the first metaphase of meiosis






45. The outermost surface of an organism






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






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






48. A cell in the retina that is sensitive to weak light






49. 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






50. A plant-eating animal