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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. Small - disc-shaped bodies in the blood that play a chief role in coagulation






2. 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






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






4. Any chromosome that is not a sex chromosome






5. A cell that divides to form two secondary spermatocytes






6. The stable - biotic part of the ecosystem in which populations exist in balance with each other and with the environment






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






8. A plant growth hormone






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






10. The description of a plant life cycle that consists of a diploid - asexual - sporophyte generation and a haploid - sexual - gametrophyte generation






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






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






13. Functional urinary tubules responsible for excretion in the kidney of vertebrates






14. Pertaining to a type of gland that releases its secretion through a duct






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






16. Genetic blending; each allele exerts some influence on the phenotype






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






18. A hormone of the thyroid that regulates basal metabolism






19. A fat or oil






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






21. Cytoplasmic bodies within a plant cell that are often pigmented






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






23. An enzyme that acts upon maltose and converts it into glucose






24. Structures in the testes that produce sperm and semen






25. Membranous organelles involved in the storage and modification of secretory products






26. 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






27. Organelles that serve as specialized containers for metabolic reactions






28. The pressure exerted by the contents of a cell against the cell membrane or cell wall






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






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






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






32. A hormone that stimulates plant stem elongation






33. A flexible - supportive rod running longitudinally through the dorsum ventral to the nerve cord; found in lower chordates and in the embryos of vertebrates






34. The transformation of an immature animal into an adult; a change in the form of an organ or structure






35. A simple sugar






36. A process of photosynthesis in which water is split into H+ and OH-; the hydrogen ion is then joined to NADP






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






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






39. The ways in which organisms regulate their internal heat






40. The part of the body of an animal that is between the neck or head and the abdomen






41. In mammals - the slitlike opening formed by the vocal folds in the larynx






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






43. Any movement or growth of a living organism in response to the force of gravity






44. The portion of the embryonic seed plant below the point of attachment of the coytledon; form the root






45. Protective immunity to a disease in which the individual produces antibodies as a result of previous exposure to the antigen






46. The physical appearance or makeup of an individual - as opposed to its genetic makeup






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






48. The most anterior portion of the small intestine of vertebrates - adjacent to the stomach; the continuation of the stomach into which the bile duct and pancreatic duct empty






49. The class of free-living flatworms






50. A hoofed animal