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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 ability to respond to a stimulus






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






3. The outermost - extra-embryonic membrane of reptiles and birds






4. A perforation leading from the pharynx to the outside environment that is a characteristic of chordates at one stage of their development






5. Technology that allows for manipulation of genetic material






6. A transmitter substance released from the axons of nerve cells at the synapse






7. Usually referred to as ACTH and secreted by the anterior lobe of the pituitary gland; stimulates the adrenal cortex to produce its characteristic hormones






8. A plant-eating animal






9. A flexible - supportive rod running longitudinally through the dorsum ventral to the nerve cord; found in lower chordates and in the embryos of vertebrates






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






11. The coagulation of blood caused by the rupture of platelets and the interaction of fibrin - fibrinogen - thrombin - prothrombin and calcium ions






12. The womb in which the fetus develops






13. The smallest particle that is capable of carrying out photosynthesis; the functional unit of a chloroplast






14. A bone of the upper arm






15. A nitrogen base that is present in nucleotides and nucleic acids; it is paired with guanine






16. The ways in which organisms regulate their internal heat






17. The inner part of the adrenal gland that secretes adrenalin






18. The ability of certain animals to regrow missing body parts






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






20. Any movement or growth of a living organism in response to the force of gravity






21. A form of anaerobic respiration found in yeast and bacteria






22. The innermost tissue layer of the eyeball that contains light-sensitive receptor cells






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






24. A plant that has two seed leaves or cotyledons






25. A structure in animal cells containing centrioles from which the spindle fibers develop






26. One of a pair of kidney-shaped cells that surround a stomate and regulate the size of the stomate in a leaf






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






28. Process of aerobic respiration that fully harvests the energy of glucose; also known as the citric acid cycle






29. A class of arthropods that includes scorpions - spiders - mites and ticks






30. Describes cells that have a double set of chromosomes in homologous pairs (2n)






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






32. Pertaining to a subdivision of the autonomic nervous system






33. Describes structures that have similar function but different evolutionary origins; e.g. - a bird's wing and a moth's wing






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






35. Adenosine diphosphate (ADP) and adenosine triphosphate (ATP) - which are energy storage molecules






36. An offspring that is heterozygous for one or more gene pairs






37. One or two or more types of genes - each representing a particular trait; many alleles exist for a specific gene locus






38. A symbol that denotes the relative concentration of hydrogen ions in a solution






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






40. An over secretion of thyroid that leads to high metabolism and exopthalmia goiter






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






42. The junction or gap between the axon terminal of one neuron and the dendrites of another neuron






43. In mammals - the slitlike opening formed by the vocal folds in the larynx






44. The part of the flower that bears the female gametophyte






45. A hormone that ripens fruit and induces aging






46. 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






47. The navel






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






49. 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)






50. A flesh-eating animal; a holotrophic animal that subsists on other animals or parts of animals