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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 multidirectional sensory system of lower animals such as the hydra - consisting of nerve fibers spread throughout the ectoderm






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






3. Asexual reproduction; in this process - the parent organism splits into two equal daughter cells






4. A sensory organ capable of detecting light






5. An organ that stores urine temporarily before it is excreted






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






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






8. The extraembyonic membrane of birds - reptiles and mammals that serves as an area of gaseous exchange and as a site for the storage of noxious excretion products






9. The transfer of a piece of chromosome to another chromosome






10. Waves of contraction and relaxation passing along a tubular structure - such as the digestive tube






11. A female sex hormone secreted by the follicle






12. The failure of some homologous pairs of chromosomes to separate following meiotic synapsis






13. The central tissue of a stem - used for food storage






14. An organic catalyst and protein






15. Pertaining to a subdivision of the autonomic nervous system of vertebrates






16. Occurs when a segment of genetic material on a chromosome becomes reversed






17. Adrenaline






18. A lateral region of the forebrain






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






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






21. A nerve cell






22. A plant-eating animal






23. An organ that stores bile






24. Hormone active in osmoregulation; a mineral corticoid produced by the adrenal cortex; stimulates reabsorption of Na+ and secretion of K+






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






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






27. In taxonomy - a classification between species and family






28. A section of the posterior forebrain associated with the pituitary gland






29. The stage in mitosis that is characterized by the migration of chromatids to opposite ends of the cell; the stage in meiosis during which homologus pairs migrate (Anaphase I) - and the stage in meiosis during which chromatids migrate to different end






30. In plants - the tissue between the epidermis and the vascular cylinder in the roots and stems of plants; in animals - the outer tissue of some organs






31. The swelling at the end of an axon






32. An enlargement of the thyroid gland due to lack of iodine






33. The reproductive organ that produces sex cells






34. Any cell that is not a reproductive cell






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






36. A nitrogen base that is present in nucleotides and nucleic acids; it is paired with guanine






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






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






39. An association between an algae and a fungus that is symbiotic and mutualistic in nature






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






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






42. The outer - transparent layer of the eye






43. Movement of amoeba






44. Changes in genes that are inherited






45. Related to the sense of smell






46. A marine arthropod - now extinct - that lived during the Paleozoic era






47. A ring-shaped muscle that is capable of closing a tubular opening by constriction






48. An air sac in the lung; the site of respiratory exchange - involving diffusion of oxygen and carbon dioxide between the air in the alveolus and the blood in the capillaries






49. The small granular body within the centrosome to which the spindle fibers attach






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