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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. Some enzymes contain a __________ component that is essential to their functions.
Cellular Metabolism
Non-protein
The synthesis of ATP molecules to store energy is an example of
Sudden appearance and disappearance of fossil species
2. Some energy is lost as heat and becomes unusable.
As energy is transferred through trophic levels
A mutation
Sudden appearance and disappearance of fossil species
Tundra
3. 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.
Stomach secretions
Interphase
Imprinting
Mesozoic era
4. Channels is cell membranes that carry water between cells.
Gametogenesis
Plasmodesmata
Very specific
The nucleus
5. The part of the earth that contains all living things - including the atmosphere (air) - the lithosphere (earth) - and the hydrosphere (water).
Phyla
Biosphere
Lysosomes
The cell membrane (plasma membrane)
6. Plants that produce flowers as reproductive organs. They have two divisions - monocots and dicots.
Interphase
Angiosperms
The nucleus
Carbon
7. Is disorganized - unravelled - DNA with histones attached.
Saprophytic
Carrying capacity
The cell's 'powerhouses'
Chromatin
8. 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.
Adenine
Savanna
Filtered by the liver
Successful reproduction
9. 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
Hypothalamus
The adrenal glands
The salivary gland
10. The class composed of birds.
The synthesis of ATP molecules to store energy is an example of
The Nitrogen cycle
Aves
Chordata
11. The phyla composed of segmented worms.
Lymphocytes
Annelida
A sudden change in the amount of extracellular fluid will be corrected by events following the release of substances from this organ.
Parenchyma tissue
12. Is when expression of genetic traits is determined by weather the trait is inherited from the mother or the father.
Cellulose - starch - lipid - and sugar molecules
Genetic imprinting
Prothallus
Vascular bundles
13. What phylum are snakes in?
Chordata
DNA produces particular genetic traits through
Tundra
A species role in the food chain is part of its
14. 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.
Trachea
Early hominids...
The salivary gland
Centrioles
15. Energy transformations that occur as chemicals are broken down or synthesized within the cell.
Cellular Metabolism
Aganatha
Phyla
Lactose
16. Where protein synthesis occurs. They float unattached in the cytoplasm. They contain RNA that is specific to their function in protein formation.
Genetic imprinting
Successful reproduction
The cuticle
Free ribosomes
17. Are easily converted to ATP - but the main energy products of the Krebs cycle liberate electrons then used in the electron transfer reactions.
Porifera
Plasmodesmata
Aggregate fruit
The products of the Krebs cycle
18. Is a coenzyme required in the synthesis of collagen.
Mature sporophyte
Fixed Action Pattern (FAP)
pathogenic
Vitamin C
19. Controls hunger and thirst
Hypothalamus
So it can be used over and over again.
Centrioles
Germ layers
20. Controls sensory and motor responses - and controls memory - speech - and intelligence factors.
Gametocide
Electron Transfer System (ETS)
Cerebrum
Will increase the reaction rate
21. Is the organelle where cellular reproductive processes occur.
Altruism
An inhibitor
Mesoderm
The nucleus
22. Is a social behavior of an organism that is beneficial to the group at the individual's expense.
Altruism
The theory of punctuated equilibrium
The nucleus
Natality
23. Respiratory organs within insects
A sudden change in the amount of extracellular fluid will be corrected by events following the release of substances from this organ.
pH of Water
Spiracles
The Cell Theory
24. Occurs when two populations are geographically isolated from each other. Over time this results in the production of two separate species.
As energy is transferred through trophic levels
Gymnosperms
Paleozoic era
Allopatric speciation
25. 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.
Endocytic vesicles
The nucleus
Interphase
Precambrian period
26. The number of organisms in a given community - can be above or below the carrying capacity.
Early hominids...
Cellular Respiration
pathogenic
Population
27. Contain organisms that are multicellular eukaryotes including vertebrates and invertebrates.
Attraction of atoms of different polarity
Non-protein
C ---OH
Kingdom Animalia
28. Must be present for photosynthesis to occur - it is not used up in the process.
Population
Chlorophyll
The biosphere
Silicon
29. Produce antibodies into the bloodstream that find and attach themselves to foreign antigens (toxins - bacteria).
Mesozoic era
Kingdom Animalia
B Cells
Prosthetic groups
30. 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.
The Cell Theory
Meristem tissue
The cell membrane
Cenozoic era
31. Inorganic phosphate
The products of the Krebs cycle
Meristem tissue
Pi
Saprophytic
32. The phyla of round worms.
Nematoda
Mesozoic era
Endocytic vesicles
Kingdom Fungi
33. Refers to the birthrate of a population.
The hormone aldosterone
Natality
Hydrolysis
The salivary gland
34. Process in which elements - chemical compounds - and other forms of matter are passed from one organism to another and from one part of the biosphere to another.
Biogeochemical cycles
Ectoderm tissue
Cerebellum
Mesoderm
35. The large brain and upright posture of Homo Sapiens...
Habituation
Did not evolve together
Ecotone
A gene is
36. Is a molecule that stores information for protein synthesis and genetic coding.
Protista
Ribonucleic acid
Will increase the reaction rate
Ectoderm
37. Is the outermost of the three main layers of an embryo.
Free ribosomes
Sudden appearance and disappearance of fossil species
Kingdom Protista
Ectoderm tissue
38. Is comprised of all the organisms that interact within a given ecosystem whether or not it is at carrying capacity.
Phototropism
C ---OH
The community
Free ribosomes
39. Attaches to an enzyme and blocks the enzyme reaction rather than enhancing it - like a prosthetic group would.
Allopatric speciation
An inhibitor
Protista
Nematoda
40. Is a special protein that acts as a catalyst for organic reactions.
R-selection
Nucleotides
Common elements found in proteins
An enzyme
41. In both living and non-living environments.
A lysosome
Enzymes catalyze reactions
The primary role of DNA in the cell
The cell's 'powerhouses'
42. An opportunistic life strategy strategy. Lichens invading a bare rock area after a volcanic eruption is an example.
Blastula
Free ribosomes
R-selection
The adrenal glands
43. 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).
The cuticle
The key limiting factor on cell size
Endocytic vesicles
Scurvy
44. Transfers water and does not require sieve plates to allow nutrients through.
Successful reproduction
Iisotonic state
Xylem tissue
The community
45. Mitochondria - they constitute the center of cellular respiration.
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46. In order to become an established part of an island ecosystem there must be a populations large enough to ensure _________ - a food source - a suitable habitat - and a source of moisture.
Successful reproduction
Xylem tissue
An enzyme
Prosthetic groups
47. Anabolism
Endocytic vesicles
Altruism
Genetic imprinting
The synthesis of ATP molecules to store energy is an example of
48. Most fossils of Hominids are from continents other than...
Genome
North America
The cell membrane
Electron Transfer System (ETS)
49. Is a compound fruit that develops from many ovaries of a single flower fusing together (raspberry).
Meristem tissue
A hydrogen bond
Aggregate fruit
Forebrain
50. Developed by the German scientists Schleiden and Schwann - States that all living things are made of cells - cells are the basic units of life - all cells come from pre-existing cells.
The Cell Theory
Characteristics of water valuable to living organisms
The community
Free ribosomes