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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 junction or gap between the axon terminal of one neuron and the dendrites of another neuron






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






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






4. A specialized structure that carries out particular functions for eukaryotic cells






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






6. The portion of alimentary canal connecting the pharynx and the stomach






7. An abbreviation of ribonucleic acid - a nucleic acid in which the sugar is ribose; a product of DNA transcription that serves to control certain cell activities






8. The thin-walled anterior chamber of the heart (also called the auricle)






9. A kind of white blood cell in vertebrates that is characterized by a rounded nucleus; involved in the immune response






10. A body fluid that flows in its own circulatory fluid in lymphatic vessels separate from blood circulation






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






12. A substance that is acted upon by an enzyme






13. The science of classification of living things






14. A mucus-secreting membrane






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






16. Occurs when different traits are inherited together more often than they would have been by chance along; it is assumed that these traits are linked on the same chromosome






17. The cavity between the lungs and the wall of the chest






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






19. The fluid that remains after fibrinogen is removed from the blood plasma of vertebrates






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






21. The process of forming the sperm cells from primary spermatocytes






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






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






24. An accumulation of axons within the CNS that is white because it is fatty - myelin sheath






25. A sex or reproductive cell that must fuse with another of the opposite type to form a zygote






26. A mutation involving the addition or loss of nucleotides






27. The haploid - sexual stage in the life cycle of plants






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






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






30. A thin - transparent - eyelid-like membrane that opens and closes laterally across the cornea of many vertebrates (the third eyelid)






31. An organ that stores bile






32. The division in animal cell cytoplasm caused by the pinching in of the cell membrane






33. The ability of an organism to contribute its alleles and therefore is phenotypic traits to future generations






34. An excretory product of protein metabolism






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






36. A colloidal system involving the dispersion of a liquid within a liquid






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






38. A microscopic opening located in the epidermis of a leaf and formed by a pair of guard cells






39. 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






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






41. An organism that is heterozygous for two different traits






42. A sensory hair structure in the utriculus and the sacculus of the inner ear; orients the head with respect to gravity






43. An animal with a constant body temperature






44. A mass of cells that have similar structures and perform similar functions






45. A hormone that regulates water reabsorption






46. All the members of a given species inhabiting a certain locale






47. Describes structures that have similar function but different evolutionary origins; e.g. - a bird's wing and a moth's wing






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






49. An organ that is not functional in an organism - but was functional at some period in its evolution






50. The more muscular chamber(s) of the heart that pump blood to the lungs and to the rest of the body