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Can you answer 50 questions in 15 minutes?







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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 jellyfish






2. A dominant allele suppresses the expression of the other member of an allele pair when both members are present






3. The transfer of pollen from the stamen to the pistil of the same flower






4. Describes organisms that are cooperative in action - such as hormones or other growth factors that reinforce each other's activity






5. Movement of amoeba






6. A short - stubby rod consisting of chromatin that is found in the nucleus of the cells; contains the genetic or hereditary component of cells (in the form of genes)






7. Plant growth stimulated by light (stem: + - towards light; root: - - away from light)






8. The female gamete; it is nonmotile - large in comparison to male gametes - and stores nutrients






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






10. 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






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






12. Process of aerobic respiration that fully harvests the energy of glucose; also known as the citric acid cycle






13. The haploid - sexual stage in the life cycle of plants






14. An organ that stores bile






15. An air sac in the lung; the site of respiratory exchange - involving diffusion of oxygen and carbon dioxide between the air in the alveolus and the blood in the capillaries






16. Partially digested food in the stomach






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






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






19. The ways in which organisms regulate their internal heat






20. The production of a number of different species from a single ancestral species






21. A body fluid that flows in its own circulatory fluid in lymphatic vessels separate from blood circulation






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






23. One of the paired lateral divisions of the forebrain






24. The largest portion of the human brain; it is believed to be the center of intelligence - conscious thought and sensation






25. A hormone that regulates water reabsorption






26. The chamber in the alimentary canal of certain vertebrates located below the large intestine - into which the ureter and reproductive organs empty (as in frogs)






27. A grouping of neuron cell bodies that acts as a coordinating center






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






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






30. Describes two or more structures that have similar forms - positions and origins despite the differences between their current functions






31. A structure formed by the wall of the uterus and the chorion of the embryo; serves as the area in which the embryo obtains nutrition from the parent






32. A hormone that ripens fruit and induces aging






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






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






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






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






37. A large molecule that is composed of many similar molecule units






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






39. A fat or oil






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






41. Occurs when certain traits are determined by genes on sex chromosomes






42. A nerve cell






43. The conversion of digested foods and other materials into forms usable by the body (i.e. - the conversion of amino acids into proteins)






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






45. A tube connecting the ovaries and the uterus






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






47. Vascular tissue of the plant that aids in support and carries water






48. A blood clot that is formed within a blood vessel






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






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