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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. The biome located between the polar region and the tiaga






2. A habitat zone - such as desert - grassland or tundra






3. Describes two or more structures that have similar forms - positions and origins despite the differences between their current functions






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






5. An organism that possesses one or more whiplike appendages called flagella






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






7. A nerve cell






8. An organic cofactor required for enzyme activity






9. One of a class of organic compounds that contains a molecular skeleton of four fused rings of carbon






10. A cell that divides to form two secondary spermatocytes






11. A specialized structure that leads to the digestive tract of a developing organism and provides it with food during early development






12. A dark-staining small body within the nucleus; composed of RNA






13. A plant growth hormone






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






15. The ways in which organisms regulate their internal heat






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






17. The state in which two genetic traits are fully expressed and neither dominates






18. The sensory organ of the inner ear of mammals; it is coiled and contains the organ of corti






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






20. The solid ball of cells the results from cleavage of an egg; a solid blastula that precedes the blastula stage






21. Any cell capable of ingesting another cell






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






23. One of the paired lateral divisions of the forebrain






24. Blood protein that is transformed to fibrin upon clotting






25. An opening in the eye whose size is regulated by the iris






26. The part of the neuron that transmits impulses to the cell body






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






28. A plastid containing chlorophyll






29. A jellyfish






30. A typical coelenterate individual with a hollow tubular body whose outer ectoderm is separated from its inner ectoderm by mesoglea






31. An invertebrate animal phylum in which animals possess a single alimentary opening and tentacles with stinging cells






32. Describes a fluid that has a lower osmotic pressure than a fluid it is compared to






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






34. The enzyme released from the blood platelets in vertebrates during clotting






35. A lateral region of the forebrain






36. A mutation involving the addition or loss of nucleotides






37. A process of asexual reproduction in which the offspring develop from an outgrowth of the plant or animal






38. A process by which the cell membrane is invaginated to form a vesicle which contains extracellular medium






39. An enzyme that acts upon sucrose






40. A substance that prevents appreciable changes in pH in solutions to which small quantities of acids or bases are added






41. The science of classification of living things






42. Adenosine diphosphate (ADP) and adenosine triphosphate (ATP) - which are energy storage molecules






43. A type of nuclear division that is characterized by complex chromosomal movement and the exact duplication of chromosomes; occurs in somatic cells






44. The inner portion of the cytoplasm of a cell or the portion that surrounds the nucleus






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






46. The navel






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






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






49. The part of the male reproductive organ (the stamen) that produces and stores pollen






50. The system of naming an organism by its genus and species name