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Test your basic knowledge |
CLEP Biology
Start Test
Study First
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. Is an accidental change of the DNA sequence of the gene that can result in creating a change of trait that is not found in the parent.
Genetic maintenance
Fixed Action Pattern (FAP)
Kingdom Animalia
A mutation
2. Layer that will become the gut lining as well as some accessory structures.
Blastula
Alveoli
A hydrogen bond
Endoderm
3. Is disorganized - unravelled - DNA with histones attached.
Lymphocytes
Habitat
Angiosperms
Chromatin
4. When the water concentration inside and outside the cell is equal - It is said to be in an...
R-selection
Very specific
Iisotonic state
Cell walls
5. Stood upright before there was an increase in brain size.
Porifera
Allopatric speciation
Early hominids...
Vascular bundles
6. Is composed of a double layer (bilayer) of phospholipids with protein globules imbedded within the layers. The construction of the membrane allows it to aid the function of the cell by permitting entrance and exit of molecules as needed by the cell.
Balance
The cell membrane
The cell membrane (plasma membrane)
Desert
7. The number of organisms in a given community - can be above or below the carrying capacity.
Population
Multiple fruit
The pancreas
The Cambrian Period
8. Is more like branching out of a tree with dead ends and new branches appearing simultaneously than like steps on a ladder.
Hemophilia
The evolution leading to Homo Sapiens...
As energy is transferred through trophic levels
The pancreas
9. The size of a cell is limited by the ratio of its surface area to volume.
The key limiting factor on cell size
Protista
Will increase the reaction rate
Prothallus
10. 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.
Nucleotides
The Hardy-Weinberg Law of Equilibrium
Germ layers
Mesozoic era
11. The total amount of genetic information available for a given species.
C ---OH
Germ layers
Genome
Vitamins
12. Covers and protects the leaf.
Vascular bundles make up the
Xylem tissue
Niche
Cuticle
13. Include: Vascular tissue - including both xylem and phloem - and sieve plates existing between cells of the stem.
The cell membrane (plasma membrane)
Imprinting
Stem tissues
Ribonucleic acid
14. The systematic search for individuals with a specific genotype in a delineated population.
Epidermal tissue
Altruism
The Nitrogen cycle
Genetic screening
15. Fruits that develop from a single ripened ovary (apple - olive - acorn - cucumber).
Iisotonic state
Hemophilia
T Cells
Simple fruits
16. Are where the sugars synthesized by photosynthesis travel through to various parts of the plant.
Phloem tissue
Vascular bundles
The community
The Hardy-Weinberg Law of Equilibrium
17. Covalent bonds
The products of the Krebs cycle
Share electrons
Attraction of atoms of different polarity
Chlorophyll has the ability to
18. Is the organelle where cellular reproductive processes occur.
The nucleus
An inhibitor
T Cells
pathogenic
19. Disease causing
Chlorophyll has the ability to
The biosphere
pathogenic
A hydrogen bond
20. Are tubes constructed of a geometrical arrangement of microtubules in a pinwheel shape. Their function includes the formation of new microtubules - but is primarily to form the structural skeleton around which cells split during mitosis and meiosis.
Centrioles
Endoderm
Genome
pH of Water
21. The pituitary gland.
A sudden change in the amount of extracellular fluid will be corrected by events following the release of substances from this organ.
Meristem tissue
Ionic bonds involve
Blastula
22. Are cells involved in immunity and are produced in bone marrow as stem cells.
Mature sporophyte
Lymphocytes
Biosphere
Differential reproduction
23. Subsets below the kingdom level
The habitat of an organism includes
Phyla
Ectoderm
The cell's 'powerhouses'
24. Produce seeds without flowers. They include conifers (cone-bearers) and cycads.
Genome
Gymnosperms
Lymphocytes
Cuticle
25. Is an ion that binds to an enzyme making it more able to catalyze a reaction.
Vascular bundles make up the
A prosthetic group
Imprinting
Mature sporophyte
26. In both living and non-living environments.
pH of Water
Phloem tissue
Enzymes catalyze reactions
A prosthetic group
27. It secretes saliva which enters the digestive tract and aids the digestive process.
Enzymes catalyze reactions
Share electrons
The salivary gland
Multiple fruit
28. 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
Iisotonic state
Will increase the reaction rate
Non-protein
Gregor Medel
29. Attaches to an enzyme and blocks the enzyme reaction rather than enhancing it - like a prosthetic group would.
A sudden change in the amount of extracellular fluid will be corrected by events following the release of substances from this organ.
An inhibitor
Arthropoda
Interphase
30. Is found on the stem between nodes.
Ecological niches open up
Paleozoic era
Kingdom Protista
Internodal tissue
31. 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.
Biosphere
Genetic maintenance
Multiple fruit
Filtered by the liver
32. (of some plants or fungi) feeding on dead or decaying organic matter
The cell's 'powerhouses'
Saprophytic
Blastula
Gregor Medel
33. Biotic (living) factors such as population and food source - and abiotic (non-living) factors such as weather - temperature - soil features - sunlight).
Anabolsim
Biosphere
Chromatin
The habitat of an organism includes
34. Carbon - nitrogen - phosphorous - and water. These are all recycled through biogeochemical processes.
Scurvy
Share electrons
Recycled environmental factors
The cuticle
35. The trachea includes the windpipe or larynx in its upper portion - and the glottis - an opening that allows the gases to pass into the two branches known as the bronchi.
Nucleotides
The community
Interphase
Trachea
36. The role played by an organism in its food chain.
Niche
Gymnosperms
Restriction enzymes
Porifera
37. Approximately 7 - making it neither basic (under 7) nor alkaline (over 7).
pH of Water
C ---OH
Iisotonic state
Mature sporophyte
38. A hydrogen bond involves the ________________ and can be easily broken.
Attraction of atoms of different polarity
Phyla
Natality
Protista
39. Between the endoderm and ectoderm - layer that will eventually form the muscles - and organs of the skeletal - circulatory - respiratory - reproductive - and excretory systems.
So it can be used over and over again.
Desert
Mesoderm
Alveoli
40. A length of DNA (with corresponding histones) is responsible for the production of a certain protein that causes a particular trait to be expressed in an organism.
Phosphorous
The hormone aldosterone
The Cambrian Period
A gene is
41. Synthesis
Anabolism
Vascular bundles make up the
Cnidaria
parasitic
42. Produce antibodies into the bloodstream that find and attach themselves to foreign antigens (toxins - bacteria).
Protista
Very specific
Multiple fruit
B Cells
43. Contains the chromosomes and is the site of reproduction through mitosis and meiosis.
Trachea
Chordata
T Cells
The nucleus
44. Is a compound fruit that develops from many ovaries of a single flower fusing together (raspberry).
Cellulose - starch - lipid - and sugar molecules
Aggregate fruit
The Cambrian Period
Stomach secretions
45. Is weaker than ionic - covalent - disulfide - or double bonds.
A hydrogen bond
R-selection
The theory of punctuated equilibrium
Natality
46. Develops from the morula as a thin layer of cells surrounding an internal cavity.
Silicon
Stomach secretions
Blastula
Annelida
47. Bacteria break ammonia into nitrites - then into nitrates that are usable by plants; volcanic activity produces ammonia and nitrates that enter the soil and can be absorbed by plants; lightning reacts with atmospheric nitrogen to form nitrates that a
The Nitrogen cycle
Endoderm
Gametogenesis
Hemophilia
48. Is a coenzyme required in the synthesis of collagen.
A prosthetic group
Scurvy
Vitamin C
Chlorophyll
49. An enzyme is unaffected by the reactions it catalyzes
Lysis
So it can be used over and over again.
Multiple fruit
Pi
50. 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
Phosphorous
Mitochondria
The Cell Theory
Through nitrogen fixing bacteria and lighting