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






2. The production of daughter cells by means other than the sexual union of gametes (as in budding and binary fission)






3. An enzyme that acts upon sucrose






4. An organ centrally involved in the human digestive system






5. An organ that stores bile






6. Refers to protective covering






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






8. The phylum to which segmented worms belong






9. An ion with a positive charge - or an ion that migrates towards the cathode (negative electrode) in an electric field






10. The liquid part of blood






11. A process by which the cell membrane is invaginated to form a vesicle which contains extracellular medium






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






13. A blood vessel that carries blood back to the heart from the capillaries






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






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






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






17. An air-conducting tube






18. The ways in which organisms regulate their internal heat






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






20. A plant that has a single cotyledon or seed-leaf






21. The intake of fluid droplets into a cell






22. Pertaining to a restricted locality; ecologically - occurring only in one particular region






23. The cell membrane






24. The transfer of a piece of chromosome to another chromosome






25. An organism that is heterozygous for two different traits






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






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






28. A reproductive cell that is capable of developing directly into an adult






29. The stage in mitosis that is characterized by the migration of chromatids to opposite ends of the cell; the stage in meiosis during which homologus pairs migrate (Anaphase I) - and the stage in meiosis during which chromatids migrate to different end






30. Tubules that excrete metabolic wastes into the hindgut in arthropods






31. A process by which the cytoplasm and the organelles of the cell divide; the final stage of mitosis






32. A response by an organism to the duration and timing of light and dark conditions






33. A colloidal system involving the dispersion of a liquid within a liquid






34. A family tree depicting the inheritance of a particular genetic trait over several generations






35. A specialized structure that controls osmotic pressure by removing water from the cell






36. Nonfunctional haploid cells created during meiosis in females; they have very little cytoplasm-most has gone into the functional egg cell






37. Describes a fluid that has the same osmotic pressure as a fluid it is compared to






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






39. A mutation involving the addition or loss of nucleotides






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






41. A plant that has two seed leaves or cotyledons






42. A structure that extends from the trunk of an organism and is capable of active movements






43. A bony or chitinous case or shield covering the back or part of the back of an animal (shell of a crab)






44. Hormone active in osmoregulation; a mineral corticoid produced by the adrenal cortex; stimulates reabsorption of Na+ and secretion of K+






45. An organelle that regulates cell functions and contains the genetic material of the cell






46. A blood clot that is formed within a blood vessel






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






48. The more muscular chamber(s) of the heart that pump blood to the lungs and to the rest of the body






49. One of the two strands that constitute a chromosome; chromatids are held together by the centromere






50. The solid ball of cells the results from cleavage of an egg; a solid blastula that precedes the blastula stage







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Can you answer 50 questions in 15 minutes?


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