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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 of an organism to contribute its alleles and therefore is phenotypic traits to future generations






2. An abbreviation of ribonucleic acid - a nucleic acid in which the sugar is ribose; a product of DNA transcription that serves to control certain cell activities






3. An underground stem






4. A mitotic or meiotic stage in which the chromosomes become visible and during which the spindle fibers form; synapsis takes place during the first meiotic prophase






5. The womb in which the fetus develops






6. The association of physical - visceral response with an environmental stimulus with which it is not naturally associated; a learned response






7. Pertains to a gene or characteristic that is masked when a dominant allele is present






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






9. Relating to the lung






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






11. An organism that obtains its nutrients from dead organisms






12. The solid ball of cells the results from cleavage of an egg; a solid blastula that precedes the blastula stage






13. A substance that participates in the clotting of blood in vertebrates






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






15. The pollination of the pistil of one flower with pollen from the stamen of a different flower of the same species






16. A carbohydrate that is composed of many monosaccharide units joined together






17. In mammals - a flap of tissue above the glottis; it folds back over the glottis in swallowing to close the air passages of the lungs; contains elastic cartilage






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






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






20. A foreign protein that stimulates the production of antibodies when introduced into the body of an organism






21. A membrane that envelopes the nucleus and separates it from the cytoplasm; present in eukaryotes






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






23. In mitosis of higher plants - the structure that forms between the divided nuclei of the two daughter cells and eventually becomes the cell wall






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






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






26. A period in the development of animals between the embryo and adult stages; starts at hatching and ends in metamorphasis






27. 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






28. Partially digested food in the stomach






29. An antigen in blood; can cause erythroblastosis fetalis when the mother is Rh- and the fetus is Rh+






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






31. Genetic blending; each allele exerts some influence on the phenotype






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






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






34. A green pigment that performs essential functions as an electron donor and light "entrapper" in photosynthesis






35. The cell body of a neuron






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






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






38. A plant-eating animal






39. An organic compound to which hydrogen and oxygen are attached; the hydrogen and oxygen are in a 2:1 ratio; examples include sugars - starches and cellulose






40. An organ that stores bile






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






42. Organism that produces its own food; first stage in the food chain






43. A chemical messenger that is secreted by one part of the body and carried by the blood to affect another part of the body - usually a muscle or gland






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






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






46. A bony or chitinous case or shield covering the back or part of the back of an animal (shell of a crab)






47. A hormone produced by the Islets of Langerhans in the pancreas






48. The recycling of carbon from decaying organisms for use in future generations






49. Anaerobic respiration the yields 2 molecules of ATP - lactic acid - ethyl alcohol and carbon dioxide or some similar compound via the glycolytic pathway






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