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 decimal fraction that represents the presence of an allele for all members of a population that have a particular gene locus






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






3. The external opening of the trachea in insects






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






5. An enzyme that acts upon sucrose






6. A structure that arises during mitosis and helps separate the chromosomes; composed of tubulin






7. A fluid-filled sensory apparatus that aids balance and hearing






8. A stage of embryonic development characterized by the differentiation of the cells into the ectoderm and endoderm germ layers and by the formation of the archenteron






9. The type of mating that occurs when an organism selects a mating partner that resembles itself






10. A space in the body






11. Tubules that excrete metabolic wastes into the hindgut in arthropods






12. An underground stem






13. An "emergency" hormone stimulated by anger or fear; increase blood pressure and heart rate in order to supply the emergency needs of the muscles






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






15. An antipathogenic substance (e.g. - penicillin)






16. A microscopic opening located in the epidermis of a leaf and formed by a pair of guard cells






17. A space in the cytoplasm of a cell that contains fluid






18. A transmitter substance released from the axons of nerve cells at the synapse






19. One or two or more types of genes - each representing a particular trait; many alleles exist for a specific gene locus






20. A network of capillaries in the Bowman's capsules of the kidney






21. A fatty sheath surrounding the axon of a neuron that aids in stimulus transmission; it is secreted by the Schwann cells






22. An organic nutrient required by organisms in small amounts to aid in proper metabolic processes






23. A change from a diploid nucleus to a haploid nucleus - as in meiosis






24. A group of life-maintaining processes that includes nutrition - respiration (the production of usable energy) and the synthesis and degradation of biochemical substances






25. A habitat zone - such as desert - grassland or tundra






26. The movement of particles from one place to another as a result of their random motion






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






28. A process of formation of ova






29. 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






30. A female sex hormone secreted by the follicle






31. Relating to the lung






32. The cell body of a neuron






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






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






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






36. A fat or oil






37. Describes cells that have a double set of chromosomes in homologous pairs (2n)






38. The portion of alimentary canal connecting the pharynx and the stomach






39. An enlargement of the thyroid gland due to lack of iodine






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






41. The orientation of cells or organisms in relation to chemical stimuli; the growth or movement response of organisms to chemical stimuli






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






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






44. Pertaining to a subdivision of the autonomic nervous system






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






46. Describes a fluid that has the same osmotic pressure as a fluid it is compared to






47. A network or mesh of fibrils - fibers or filaments






48. A structure found between the cerebral hemispheres of vertebrates; secretes melatonin






49. A specialized structure that leads to the digestive tract of a developing organism and provides it with food during early development






50. One of a group of compounds that is identical in a atomic composition - but different in structure and arrangement







Sorry!:) No result found.

Can you answer 50 questions in 15 minutes?


Let me suggest you:

Browse all subjects

Browse all tests

Most popular tests



Major Subjects

Tests & Exams


AP
CLEP
DSST
GRE
SAT
GMAT

Browse all subjects

Browse all tests

Most popular tests