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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 mass of cells that have similar structures and perform similar functions






2. An anterior pituitary hormone that stimulates the follicles in females and the function of the seminiferous tubules in males






3. The class of free-living flatworms






4. The innermost tissue layer of the eyeball that contains light-sensitive receptor cells






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






6. A hormonal secretion of the adrenal cortex






7. The colored part of the eye that is capable of contracting and regulating the size of the pupils






8. The individual differences of form among the members of a species






9. The type of mating that occurs when an organism selects a mating partner that resembles itself






10. A plant that has two seed leaves or cotyledons






11. In mitosis of higher plants - the structure that forms between the divided nuclei of the two daughter cells and eventually becomes the cell wall






12. A chemical action that releases energy from glucose to form ATP






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






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






15. An organelle that contains enzymes that aid in intracellular digestion






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






17. A mall sex hormone (e.g. - testosterone)






18. The transfer of pollen from the stamen to the pistil of the same flower






19. A sugar composed of two combined monosaccharides






20. Pertaining to a subdivision of the autonomic nervous system






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






22. An organism that utilizes the energy of inorganic materials such as water and carbon dioxide or the sun to manufacture organic materials






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






24. The outer - transparent layer of the eye






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






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






27. Describes an individual that possesses two contrasting alleles for a given trait






28. The outermost - extra-embryonic membrane of reptiles and birds






29. A hormone that regulates water reabsorption






30. A network of capillaries in the Bowman's capsules of the kidney






31. One of a pair of kidney-shaped cells that surround a stomate and regulate the size of the stomate in a leaf






32. The movement of particles from one place to another as a result of their random motion






33. A starch form in animals; glucose is converted to this in the liver






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






35. The place of attachment of the mitotic fiber to the chromosome






36. A simple sugar






37. A fat-digesting hormone






38. A reproductive cell






39. A network - particularly of nerve or blood vessels






40. The portion of seed plant embryo above the cotyledon






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






42. Pertains to a gene or characteristic that is masked when a dominant allele is present






43. A ductless gland that secretes hormones directly into the bloodstream






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






45. The contraction of the atria or ventricles of the heart






46. A hormone that stimulates plant stem elongation






47. A wall composed of cellulose that is external to the cell membrane in plants; it is primarily involved in support and in the maintenance of proper internal pressure






48. A lymph tubule located in the villus that absorbs fatty acids






49. A space in the body






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