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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 uppermost portion of pistil upon which pollen grains alight






2. A hydrogen carrier containing iron that functions in many cellular processes - including respiration






3. The inner portion of the cytoplasm of a cell or the portion that surrounds the nucleus






4. The phylum of sponges






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






6. An abbreviation of nicotinamide-adenine-dinucleotide-phosphate - also called TPN; an organic compound that serves as an oxidation-reduction molecule






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






8. The elimination of metabolic waster matter






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






10. A small projection in the walls of the small intestine that increases the surface area available for absorption






11. A type of anaerobic respiration found in fungi - bacteria and human muscle cells






12. The portion of a DNA molecule that serves as a unit of heredity; found on the chromosome






13. The small granular body within the centrosome to which the spindle fibers attach






14. A sex or reproductive cell that must fuse with another of the opposite type to form a zygote






15. A stage of embryonic development in which the embryo consists of a hollow ball of cells






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






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






18. A large class of arthropods - including crabs and lobsters






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






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






21. 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






22. The cavity between the lungs and the wall of the chest






23. The posterior part of the brain that controls the rate of breathing and other autonomic functions






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






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






26. Globular proteins produced by tissues that destroy or inactivate antigens






27. Describes a fluid that has a higher osmotic pressure than another fluid it is compared to






28. The organelle that provides mechanical support and carries out motility functions for the cell






29. The process of breaking down large organic molecules into smaller ones






30. A mucus-secreting membrane






31. The exchange of parts of homologous chromosomes during meiosis






32. A digestive enzyme of the saliva that turns starch into maltose (salivary amylase)






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






34. The largest artery; carries blood from the left ventricle






35. The final stages of protein synthesis in which the genetic code of nucleotide sequences is translated into a sequences of amino acids






36. Any cell that is not a reproductive cell






37. The fluid that remains after fibrinogen is removed from the blood plasma of vertebrates






38. The outermost bone of the middle ear (hammer)






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






40. A fat or oil






41. 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






42. A hormone of the thyroid that regulates basal metabolism






43. 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






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






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






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






47. An organism that must get its inorganic and organic raw materials from the environment; a consumer






48. One of many tubules that absorb tissue fluid and return it to the bloodstream via the lymphatic system






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






50. Refers to protective covering