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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 process of photosynthesis in which water is split into H+ and OH-; the hydrogen ion is then joined to NADP






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






3. One of a group of compounds that is identical in a atomic composition - but different in structure and arrangement






4. A resistance to disease developed through the immune system






5. The study of organisms in relation to their environment






6. A relationship in which one organism benefits at the expense of another






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






8. Daily cycles of behavior






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






10. A thyroid deficiency that results in stunted growth and feeblemindedness






11. The part of the neuron that transmits impulses to the cell body






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






13. Describes a fluid that has a lower osmotic pressure than a fluid it is compared to






14. A mutation in which a single nucleotide base is substituted for another nucleotide base - or an extra nucleotide base is added






15. A mass of cells that have similar structures and perform similar functions






16. Adrenaline






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






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






19. An endocrine gland located in the neck that produces thyroxin






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






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






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






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






24. 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






25. A cell that divides to form the polar body and the secondary oocyte






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






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






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






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






30. An opening in the eye whose size is regulated by the iris






31. The outer layer of cerebral hemispheres in the forebrain - consisting of gray matter






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






33. A type of virus that can destroy bacteria by infecting - parasitizing and eventually killing them






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






35. Cytoplasmic bodies within a plant cell that are often pigmented






36. An endocrine gland of vertebrates - usually paired - and located near or within the thyroid that secretes parathormone - which controls the metabolism of calcium






37. Any cell capable of ingesting another cell






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






39. The part of the alimentary canal between the mouth and the esophagus






40. The separation of some members of a population from the rest of their species; prevents interbreeding and may lead to the development of a new species






41. The evaporation of water from leaves or other exposed surfaces of plants






42. Pertaining to the head






43. An individual that is heterozygous for only one trait






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






45. A hoofed animal






46. A mutation involving the addition or loss of nucleotides






47. The coiled part of the sperm duct - adjacent to the testes in mammals






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






49. A muscular valve regulating the flow of food from the stomach to the small intestine






50. Nonliving - as in the physical environment