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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 individual differences of form among the members of a species






2. Any cell capable of ingesting another cell






3. A structure of the eye that focuses images on the retina by changing its convexity






4. A network - particularly of nerve or blood vessels






5. 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






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






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






8. The second filial generation; offspring resulting from the crossing of individuals of the F1 generation






9. A disease-causing organism






10. A cell in the retina that is sensitive to weak light






11. 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






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






13. A remnant of follicle after ovulation that secretes the hormone progesterone






14. A blood vessel that carries blood away from the heart






15. Small - disc-shaped bodies in the blood that play a chief role in coagulation






16. Pertaining to a subdivision of the autonomic nervous system of vertebrates






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






18. A nitrogen base such as cytosine - thymine and uracil; when joined with sugar or phosphate - a component of nucleotides and nucleic acids






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






20. In plants - the tissue between the epidermis and the vascular cylinder in the roots and stems of plants; in animals - the outer tissue of some organs






21. Living - as in living organisms in the environment






22. The living together of two organisms in an intimate relationship






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






24. The liquid part of blood






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






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






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






28. A category of taxonomic classification that is ranked above class and under kingdoms






29. The central tissue of a stem - used for food storage






30. A wall composed of cellulose that is external to the cell membrane in plants; it is primarily involved in support and in the maintenance of proper internal pressure






31. An excretory product of protein metabolism






32. The biome located between the polar region and the tiaga






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






34. A plant growth hormone






35. The part of the hindbrain located in the brain stem






36. Refers to protective covering






37. Random evolutionary changes in the genetic makeup of a population






38. A pyrimidine found in RNA (but not DNA); pairs with DNA adenine






39. An organelle in the cytoplasm that contains RNA; serves as the site of protein synthesis






40. A stalklike or elongated body part - usually pointed at one end






41. Deoxyribonucleic acid; found in cell nucleus - its basic unit is the nucleotide; contains coded genetic information; can replicate on the basis of heredity






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






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






44. A constituent of the plasma of the blood of vertebrates; it is converted to thrombin by thrombokinase in the presence of calcium ions - thus contributing to the clotting of blood






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






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






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






48. The system of naming an organism by its genus and species name






49. The process of forming the sperm cells from primary spermatocytes






50. The removal of hydrogen or electrons from a compound or addition of oxygen; half of a redox (oxidation or reduction) process