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CLEP Biology

Subjects : clep, 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 phyla of sponges.






2. The cells of a developing embryo (at the gastrula stage) differentiate into layers - that will later develop into different tissues and organs - including the mesoderm - ectoderm - and endoderm.






3. Is a compound fruit that forms from several ovaries of separate flowers that fuse together during ripening (strawberry - or pineapple).






4. Controls balance and muscle coordination






5. Layer that will become the gut lining as well as some accessory structures.






6. Is the number of organisms that can be supported within a particular ecosystem.






7. When the water concentration inside and outside the cell is equal - It is said to be in an...






8. Engages in both passive and active transport.






9. Super-class of vertebrae including organisms with jaws.






10. The systematic search for individuals with a specific genotype in a delineated population.






11. Include: Vascular tissue - including both xylem and phloem - and sieve plates existing between cells of the stem.






12. The pituitary gland.






13. Process of breaking down complex materials (foods) to form simpler substances and release energy.






14. Are the organelles where cellular respiration occurs.






15. The individual we recognize as an adult fern.






16. Carbon - nitrogen - phosphorous - and water. These are all recycled through biogeochemical processes.






17. Is a social behavior of an organism that is beneficial to the group at the individual's expense.






18. Most chemical pollutants accidentally ingested by humans are __________ - mixed with broken down pigments in the bile - then bile is secreted into the small intestine - proceeds to the large intestine - and is expelled in the feces.






19. Is a protein - which is a polymer of amino acids. They generally have the suffix -ase- like lactase.






20. Respiratory organs within insects






21. Produces the most ATP molecules - yielding 34 ATPs per glucose molecule.






22. The transfer of electrons.






23. All store energy within their chemical bonds.






24. The lineage that led to the modern Homo Sapiens diverged from the lineage that led to the modern chimpanzee.






25. Is comprised of all the organisms that interact within a given ecosystem whether or not it is at carrying capacity.






26. Is a behavior that is learned during a critical point (often very early) in an individual's life. Imprinting enables the young the recognize members of their own species.






27. Is the process that releases energy for use by the cell.






28. Cleave strands of DNA segments at certain sites.






29. The phylum of insects (bees).






30. Breaking down






31. Consists of undifferentiated cells capable of quick growth and specialization. It is responsible for elongation of the stem.






32. The effect of a substrate concentration on the initial reaction rate in the presence of a limited amount of enzyme: _________________ as the concentration of substrate is increased until all the enzymes are used - then the reaction rate will level of






33. Are membrane-bound organelles that contain digestive enzymes that digest dead or unused material within the cell or materials absorbed by the cell for use.






34. Is a special protein that acts as a catalyst for organic reactions.






35. Chlorophyll pigments absorb photons of light - leaving the chlorophyll in a higher energy (excited) state - these then supply energy to reactions that produce ATP from ADP and Pi.






36. The process of forming eggs and sperm cells in the reproductive organs.






37. Anabolism






38. Niche






39. Attaches to an enzyme and blocks the enzyme reaction rather than enhancing it - like a prosthetic group would.






40. Is the major component of sand and is the most abundant element found in the lithosphere. It is not recycled.






41. Is the period when the cell is active in carrying on the function it was designed to perform within the organism. Cells spend much more time in interphase than in cell division.






42. In DNA Guanine pairs with...






43. Is the organelle where cellular reproductive processes occur.






44. Becomes available for erosion as undersea sedimentary rocks are up-thrust by volcanic activity - erosion releases it from rocks into streams where it combines with oxygen to form phosphates in lakes that are then absorbed by plants - it is recycled t






45. Absorb a photon of light and is found in the grana of the chloroplast.






46. Contains many genes and is a structure comprised of linear DNA and associated proteins.






47. Is very rare and is not absorbed by plant leaves. Phosphorous is nearly always found in solid form.






48. The class composed of birds.






49. Is the outermost of the three main layers of an embryo.






50. Inorganic phosphate







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