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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 mature ovary






2. The association of physical - visceral response with an environmental stimulus with which it is not naturally associated; a learned response






3. An organism that possesses both the male and the female reproductive organs






4. Cytoplasmic organelles that serve as sites of respiration; a rod-shaped body in the cytoplasm known to be the center of cellular respiration






5. An organic molecule consisting of joined phosphate - 5-carbon sugar (deoxyribose or ribose) - and a purine or a pyrimidine (adenine - guanine - uracil - thymine or cytosine)






6. An organ centrally involved in the human digestive system






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






8. A large molecule that is composed of many similar molecule units






9. The pollination of the pistil of one flower with pollen from the stamen of a different flower of the same species






10. Multicellular organism






11. The first filial generation (first offspring)






12. The recycling of nitrogen from decaying organism for use in future generations






13. A carbohydrate that is composed of many monosaccharide units joined together






14. A "seed leaf"; responsible for food digestion and storage in plant embryo






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






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






17. An endocrine gland of vertebrates - usually paired - and located near or within the thyroid that secretes parathormone - which controls the metabolism of calcium






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






19. The process by which carbohydrates are formed through chemical energy; found in bacteria






20. A bone of the upper arm






21. A female sex hormone secreted by the follicle






22. An association of homologous chromosomes during the first meiotic division






23. Blood protein that is transformed to fibrin upon clotting






24. A hormone that stimulates plant stem elongation






25. A reproductive cell






26. A sensory organ capable of detecting light






27. A group of life-maintaining processes that includes nutrition - respiration (the production of usable energy) and the synthesis and degradation of biochemical substances






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






29. A flowering plant with simple dry fruit - characterized by nodes on their roots that contain nitrogen-fixing bacteria






30. The orientation of cells or organisms in relation to chemical stimuli; the growth or movement response of organisms to chemical stimuli






31. The hindbrain region that controls equilibrium and muscular coordination






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






33. A nitrogenous base such as adenine or guanine; when joined with sugar or phosphate - a component of nucleotides and nucleic acids






34. In taxonomy - a classification between species and family






35. Blood vessels located between ascending and descending aortas that deliver blood to most of the upper body






36. One-thousandth of a millimeter; a unit of microscopic length






37. A terrestrial habitat zone that is characterized by large tracts of coniferous forests - long and cold winters - and short summers






38. The kind of bond formed when two amino acid units are jointed end to end






39. The passive - rhythmical expansion or dilation of the cavities of the heart (atria or ventricles) that allows these organs to fill with blood; preceded and followed by systole (contraction)






40. Daily cycles of behavior






41. The outer layer of cerebral hemispheres in the forebrain - consisting of gray matter






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






43. The separation of homologous pairs of chromosomes following meiotic synapsis






44. The coiled part of the sperm duct - adjacent to the testes in mammals






45. The microspore of a seed plant






46. A small projection in the walls of the small intestine that increases the surface area available for absorption






47. The outermost bone of the middle ear (hammer)






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






49. The cell membrane






50. A type of virus that can destroy bacteria by infecting - parasitizing and eventually killing them