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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 biome located between the polar region and the tiaga






2. The law by which genes on different chromosomes are inherited independently of each other






3. A network - particularly of nerve or blood vessels






4. A duct that carries urine from the kidneys to the bladder






5. Relating to the lung






6. A foreign protein that stimulates the production of antibodies when introduced into the body of an organism






7. The outermost surface of an organism






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






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






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






11. A form of asexual reproduction in which the egg develops in the absence of sperm






12. Vascular tissue of the plant that aids in support and carries water






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






14. An organ centrally involved in the human digestive system






15. A symbiotic relationship from which both organisms involved derive some benefit






16. An abbreviation of nicotinamide-adenine-dinucleotide - also called DPN; a respiratory oxidation-reduction molecule






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






18. The pairing of homologous chromosomes during meiosis






19. A fat or oil






20. The ways in which organisms regulate their internal heat






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






22. The ourter part of the adrenal gland that secretes many hormones - including cortisone and aldosterone






23. Substance secreted by organisms that influences the behavior of other members of the same species






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






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






26. A pair of chromosome pairs present during the first metaphase of meiosis






27. The anaerobic respiration of carbohydrates






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






29. A mutation involving the addition or loss of nucleotides






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






31. 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






32. A mature ovary






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






34. A pouched mammal - such as the kangaroo or opossum






35. A vacuole in the cytoplasm in which digestion takes place (in protozoans)






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






37. The hind portion of the forebrain of vertebrates






38. A waxy protective layer secreted by the outer surface of plants - insects - etcetera






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






40. A cell resulting from the fusion of gametes






41. The removal of an amino group from an organism - particularly from an amino acid






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






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






44. The stable - biotic part of the ecosystem in which populations exist in balance with each other and with the environment






45. A plant growth hormone






46. An enzyme from the pancreas that digests proteins in the small intestine






47. Any organism that is the victim of a parasite






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






49. An organism that is heterozygous for two different traits






50. Secreted by the anterior pituitary gland - this hormone stimulates the conversion of a follicle into the corpus luteum and the secretion of progesterone by the corpus luteum