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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 hoofed animal






2. The hormone secreted by the corpus luteum of vertebrates and the placenta of mammals; its function is to maintain the endometrium






3. Structures in the testes that produce sperm and semen






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






5. Describes an individual that has the same gene for the same trait on each homologous chromosome






6. The thin - bent part of the renal tubule that is the site of the counter-current flow and the sodium gradient






7. A large class of arthropods - including crabs and lobsters






8. A hormonal secretion of the adrenal cortex






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






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






11. An organism that possesses one or more whiplike appendages called flagella






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






13. Degree of penetrability - as in membranes that allow given substances to pass through; the ability to penetrate






14. The sensory branch of each spinal nerve






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






16. A chemical messenger that is secreted by one part of the body and carried by the blood to affect another part of the body - usually a muscle or gland






17. A gland composed of two parts - anterior and posterior - each with its own secretions; called the "master gland" because its hormones stimulate secretions by other glands






18. A mitotic or meiotic stage in which the chromosomes become visible and during which the spindle fibers form; synapsis takes place during the first meiotic prophase






19. A fluid-filled sensory apparatus that aids balance and hearing






20. A process by which the vesicle in the cell fuses with the cell membrane and releases its contents to the outside






21. The part of the flower that produces pollen






22. The sac in the ovary in which the egg develops






23. The diffusion of water through a semipermeable membrane - from an area of greater concentration to an area of lesser concentration






24. An underground stem






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






26. In plants - an area of undifferentiated tissue covered by embryonic leaves






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






28. An organism that requires oxygen for respiration and can live only in the presence of oxygen






29. The vascular tissue of a plant that transports organic materials (photosynthetic products) from the leaves to other parts of the plant






30. The female gamete; it is nonmotile - large in comparison to male gametes - and stores nutrients






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






32. A dark-staining small body within the nucleus; composed of RNA






33. A marine biome typical of the open seas






34. Fluid excreted by the kidney containing urea - water - salts - etc






35. 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






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






37. A plastid containing chlorophyll






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






39. A typical coelenterate individual with a hollow tubular body whose outer ectoderm is separated from its inner ectoderm by mesoglea






40. The cellular layer that covers external and internal surfaces






41. Waves of contraction and relaxation passing along a tubular structure - such as the digestive tube






42. A ductless gland in upper chest region concerned with immunity and the maturation of lymphocytes






43. The conversion of digested foods and other materials into forms usable by the body (i.e. - the conversion of amino acids into proteins)






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






45. The largest portion of the human brain; it is believed to be the center of intelligence - conscious thought and sensation






46. Asexual reproduction; in this process - the parent organism splits into two equal daughter cells






47. The extraembyonic membrane of birds - reptiles and mammals that serves as an area of gaseous exchange and as a site for the storage of noxious excretion products






48. Any organism that is the victim of a parasite






49. Fluid skeleton of annelids






50. A mitotic stage in which nuclei reform and nuclear membrane reappears







Sorry!:) No result found.

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