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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 microspore of a seed plant






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






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






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






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






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






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






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






9. An excretory product of protein metabolism






10. A simple sugar






11. An organism that obtains its nutrients from dead organisms






12. The recycling of carbon from decaying organisms for use in future generations






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






14. A network - particularly of nerve or blood vessels






15. A microscopic - whiplike filament that serves as a locomotor structure in flagellate cells






16. 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






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






18. Protein threads that form in the blood during clotting






19. The most anterior portion of the small intestine of vertebrates - adjacent to the stomach; the continuation of the stomach into which the bile duct and pancreatic duct empty






20. Cells which in the female are located between the ovarian follicles and in the male are located between the seminiferous tubules of the testes






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






22. Pertaining to a type of gland that releases its secretion through a duct






23. Unicellular organism with simple cell structure






24. The mammalian oviduct that leads from the ovaries to the uterus






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






26. A metabolic stage between mitoses in which genetic material is reproduced






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






28. A pyrimidine found in RNA (but not DNA); pairs with DNA adenine






29. A mucus-secreting membrane






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






31. 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






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






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






34. Cycle in photosynthesis that reduces fixed carbon to carbohydrates through the addition of electrons ("dark cycle")






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






36. The extraembryonic membrane in birds - reptiles and mammals that surrounds the embryo - forming an amniotic sac






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






38. The cavity in the mammalian ovary in which the egg ripens






39. A cell in the retina that is sensitive to weak light






40. The hind portion of the forebrain of vertebrates






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






42. The description of a plant life cycle that consists of a diploid - asexual - sporophyte generation and a haploid - sexual - gametrophyte generation






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






44. The living matter of a cell - located between the cell membrane and the nucleus






45. A reproductive cell






46. Partially digested food in the stomach






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






48. The male gonads that produce sperm and male hormones






49. The part of the nervous system that regulates the involuntary muscles - such as the walls of the alimentary canal; includes the parasympathetic and sympathetic nervous systems






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