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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 a substance that changes the speed of a reaction without being affected itself.
An enzyme
Electron Transfer System (ETS)
A catalyst
Will increase the reaction rate
2. The phyla of sponges.
Aves
A gene is
Habituation
Porifera
3. 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.
Genetic maintenance
Interphase
Porifera
Restriction enzymes
4. Nonvascular plants such as mosses which lack tissue for conducting food or water.
Population
Bryophytes
DNA produces particular genetic traits through
Parenchyma tissue
5. 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.
The cell membrane (plasma membrane)
Phloem tissue
A mutation
Cuticle
6. The solid mass of cells resulting from the cleavage of the ovum before the formation of a blastula.
Cnidaria
Morula
Chlorophyll has the ability to
Vascular bundles make up the
7. All store energy within their chemical bonds.
North America
Hemophilia
Biogeochemical cycles
Cellulose - starch - lipid - and sugar molecules
8. A suffix meaning 'to break apart.' O || ||
Paleozoic era
Lysis
Will increase the reaction rate
B Cells
9. Between the endoderm and ectoderm - layer that will eventually form the muscles - and organs of the skeletal - circulatory - respiratory - reproductive - and excretory systems.
The key limiting factor on cell size
Differential reproduction
Mesoderm
Cerebellum
10. The size of a cell is limited by the ratio of its surface area to volume.
The evolution leading to Homo Sapiens...
Ectoderm
Ionic bonds involve
The key limiting factor on cell size
11. Some patrol the blood for antigens - but are also equipped to destroy antigens. They may regulate immune responses as well.
A prosthetic group
The products of the Krebs cycle
T Cells
The evolution leading to Homo Sapiens...
12. An opportunistic life strategy strategy. Lichens invading a bare rock area after a volcanic eruption is an example.
Vitamin C
R-selection
Forebrain
Carbon
13. Occurs when an individual learns not to respond to a particular stimulus - for instance when a stimulus is repeated many times without consequence.
Biosphere
T Cells
Filtered by the liver
Habituation
14. Allows for the genetic code to be preserved in future generations of cells.
Interphase
Biosphere
Cellular Respiration
DNA replication
15. Fossilized burrows from multicellular organisms begin to appear in the geological record approximately 700 million years ago during the Precambrian period. These multicellular animals had only soft parts and could not be fossilized.
Larynx
Catabolism
Iisotonic state
Precambrian period
16. Are surrounded by capillaries that allow for carbon dioxide to diffuse into the lungs and oxygen to diffuse out.
Circadian rhythms
Phototropism
Alveoli
Habituation
17. Are easily converted to ATP - but the main energy products of the Krebs cycle liberate electrons then used in the electron transfer reactions.
Electron Transfer System (ETS)
Lysis
Did not evolve together
The products of the Krebs cycle
18. Some enzymes contain a __________ component that is essential to their functions.
The cell's 'powerhouses'
Non-protein
Germ layers
Chromatin
19. Digestive enzymes - hydrochloric acid - and gastric juices which aid in digestion. The mucous secreted by the stomach protects the stomach lining from the acids and juices.
Stomach secretions
Aves
Vitamin C
Chlorophyll
20. Is a phylum that contains sponges.
Vascular bundles
Porifera
Cenozoic era
A hydrogen bond
21. The sharp boundary of an ecosystem.
Carbon
Ecotone
The adrenal glands
Ionic bonds involve
22. Biotic (living) factors such as population and food source - and abiotic (non-living) factors such as weather - temperature - soil features - sunlight).
The pituitary gland
Ecological niches open up
Phyla
The habitat of an organism includes
23. Is weaker than ionic - covalent - disulfide - or double bonds.
A sudden change in the amount of extracellular fluid will be corrected by events following the release of substances from this organ.
A hydrogen bond
Niche
The cell's 'powerhouses'
24. Has loosely packed cells that allow for gas and moisture exchange.
Cerebrum
pathogenic
So it can be used over and over again.
Parenchyma tissue
25. Provide rigidity to plant cells (and some bacteria) and are not found within animal cells.
Ionic bonds involve
Cell walls
The pancreas
Recycled environmental factors
26. 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.
Multiple fruit
Germ layers
Simple fruits
Biosphere
27. The process whereby cells build molecules and store energy (in the form of covalent chemical bonds).
Carbon
Lysis
Anabolsim
Chromatin
28. The large brain and upright posture of Homo Sapiens...
Scurvy
Did not evolve together
Successful reproduction
Natality
29. Approximately 7 - making it neither basic (under 7) nor alkaline (over 7).
Genetic maintenance
pH of Water
Lysosomes
Kingdom Fungi
30. The pituitary gland.
C ---OH
A sudden change in the amount of extracellular fluid will be corrected by events following the release of substances from this organ.
Lysosomes
The Hardy-Weinberg Law of Equilibrium
31. Is the major component of sand and is the most abundant element found in the lithosphere. It is not recycled.
Germ layers
Silicon
Non-protein
Phosphorous
32. Are the monomers that form nucleic acids - containing a sugar - phosphate group - and a nitrogenous base.
Nucleotides
Larynx
The Nitrogen cycle
The evolution leading to Homo Sapiens...
33. Mitochondria - they constitute the center of cellular respiration.
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34. Contains many genes and is a structure comprised of linear DNA and associated proteins.
Successful reproduction
Chromosome
Phototropism
Genetic maintenance
35. Is more like branching out of a tree with dead ends and new branches appearing simultaneously than like steps on a ladder.
Forebrain
Annelida
The evolution leading to Homo Sapiens...
Genome
36. Are formed when the plasma membrane of a cell encloses a molecule outside the membrane - then releases a membrane bound sack containing the desired molecule into the cytoplasm. This process allows the cell to absorb molecules that are larger in size
Endocytic vesicles
Niche
Morula
Habituation
37. Is a disease caused by lack of vitamin C in which the body is unable to build enough collagen (a major component of connective tissue).
Vitamins
Mitochondria
Enzymes catalyze reactions
Scurvy
38. This is a carboxyl group and is the signature group found within organic acids.
Ionic bonds involve
Scurvy
C ---OH
Will increase the reaction rate
39. The number of organisms in a given community - can be above or below the carrying capacity.
Population
Genetic maintenance
Saprophytic
The hormone aldosterone
40. 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.
The synthesis of ATP molecules to store energy is an example of
Hemophilia
Mesoderm
Filtered by the liver
41. Is a kingdom that includes algae and protozoa.
Hypothalamus
Protista
Paleozoic era
Did not evolve together
42. Absorb a photon of light and is found in the grana of the chloroplast.
Interphase
Angiosperms
Sudden appearance and disappearance of fossil species
Chlorophyll has the ability to
43. A type of innate behavior (instinct.) The FAP is a preprogrammed response to a particular stimulus (known as a releaser stimulus). FAP's include courtship behaviors and feeding of young. These are not learned behaviors - they are automatically perfor
Fixed Action Pattern (FAP)
Attraction of atoms of different polarity
Porifera
Chromosome
44. The process of forming eggs and sperm cells in the reproductive organs.
Paleozoic era
Protista
The Nitrogen cycle
Gametogenesis
45. The physical place where a particular organism lives. It must include all the factors that will support its life and reproduction.
An inhibitor
Savanna
Annelida
Habitat
46. States that where random mating is occurring within a population that is in equilibrium with its environment - the gene frequencies and genotype ratios will remain constant from generation to generation. It is a mathematical formula that shows why re
Porifera
Cenozoic era
The Hardy-Weinberg Law of Equilibrium
Chordata
47. Is comprised of all the organisms that interact within a given ecosystem whether or not it is at carrying capacity.
The community
The hormone aldosterone
Centrioles
Catabolism
48. Produce adrenaline. This hormone is a well-known constrictor of blood vessels.
The adrenal glands
Will increase the reaction rate
Mature sporophyte
Bryophytes
49. Process of breaking down complex materials (foods) to form simpler substances and release energy.
The hormone aldosterone
Recycled environmental factors
Chlorophyll has the ability to
Catabolism
50. Is when expression of genetic traits is determined by weather the trait is inherited from the mother or the father.
Genetic imprinting
Lysosomes
Very specific
Catabolism