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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 process of formation of ova






2. An enzyme that acts upon sucrose






3. A stomach enzyme that partially digests proteins






4. The ourter part of the adrenal gland that secretes many hormones - including cortisone and aldosterone






5. The hind portion of the forebrain of vertebrates






6. Compounds in bile that aid in emulsification






7. The uppermost portion of pistil upon which pollen grains alight






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






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






10. The outermost embryonic germ layer that gives rise to the epidermis and the nervous system






11. Blood protein that is transformed to fibrin upon clotting






12. Describes an organism that lives symbiotically with a host; this host neither benefits nor suffers from the association






13. A resistance to disease produced through the injection of antibodies






14. The cellular layer that covers external and internal surfaces






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






16. The site of most digestion of nutrients and absorption of digested nutrients






17. A tract of nerve fibers connecting the two cerebral hemispheres






18. A structure in animal cells containing centrioles from which the spindle fibers develop






19. The cell body of a neuron






20. A transmitter substance released from the axons of nerve cells at the synapse






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






22. The portion of seed plant embryo above the cotyledon






23. Structures in the testes that produce sperm and semen






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






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






26. The enzyme that acts upon lactose






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






28. The phylum to which jointed-legged invertebrates belong - including insects - arachnids and crustaceans






29. A blood vessel that carries blood away from the heart






30. Living - as in living organisms in the environment






31. The class of free-living flatworms






32. A fat-digesting hormone






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






34. A mutation involving the addition or loss of nucleotides






35. Anaerobic respiration the yields 2 molecules of ATP - lactic acid - ethyl alcohol and carbon dioxide or some similar compound via the glycolytic pathway






36. A duct through which the urine passes from the bladder to the outside






37. An air duct from the middle ear to the throat that equalizes external and internal air pressure






38. The phylum to which segmented worms belong






39. Describes arthropods and other animals whose skeletal or supporting structures are outside the skin






40. A portion of the CNS consisting of cytons (cell bodies) - their dendrites and synaptic connections






41. The ways in which organisms regulate their supply of water






42. A class of arthropods that includes scorpions - spiders - mites and ticks






43. Organism that produces its own food; first stage in the food chain






44. A grouping of neuron cell bodies that acts as a coordinating center






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






46. Three membranes that envelop the brain and spinal cord (pia mater - dura mater and arachnoid)






47. A nuclear protein of chromosomes that stains readily






48. Chemical groups attached to carbon skeletons that give compounds their functionality






49. A flowering plant; a plant of the class Angiospermae that produces seeds enclosed in an ovary and is characterized by the possession of fruits and flowers






50. Usually referred to as ACTH and secreted by the anterior lobe of the pituitary gland; stimulates the adrenal cortex to produce its characteristic hormones