Test your basic knowledge |

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 female sex hormone secreted by the follicle






2. The cell body of a neuron






3. A kingdom of unicellular living organisms that are neither animals nor plants; includes some groups of algae - slime molds and protozoa






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






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






6. An individual that is heterozygous for only one trait






7. Occurs when different traits are inherited together more often than they would have been by chance along; it is assumed that these traits are linked on the same chromosome






8. An underground stem






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






10. The area of medulla that regulates the rate of breathing






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






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






13. Movement of amoeba






14. The description of a plant life cycle that consists of a diploid - asexual - sporophyte generation and a haploid - sexual - gametrophyte generation






15. An association between an algae and a fungus that is symbiotic and mutualistic in nature






16. The navel






17. The inner layer of an organ surrounded by the cortex






18. Outgrowths of a root's epidermal cells that allow for greater surface area for absorption of nutrients and water






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






20. A hormone that regulates water reabsorption






21. Different relationships that are formed in proteins between the original sequence of amino acids and more complex three-dimensional compounds






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






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






24. Living or active in the absence of free oxygen; pertaining to respiration that is independent of oxygen






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






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






27. Organelles that serve as specialized containers for metabolic reactions






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






29. Organism that consumes food from outside itself instead of producing it






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






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






32. Describes an individual that has the same gene for the same trait on each homologous chromosome






33. A hormone that ripens fruit and induces aging






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






35. Fluid-filled structures in the inner ear that are associated with the sense of balance






36. The ability of an organism to contribute its alleles and therefore is phenotypic traits to future generations






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






38. A space in the body






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






40. A marine biome typical of the open seas






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






42. A sugar composed of two combined monosaccharides






43. The study of all living processes - activities and functions






44. A mucus-secreting membrane






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






46. 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






47. The cell membrane






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






49. An organism that obtains its nutrients from dead organisms






50. A simple sugar