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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. Covers and protects the leaf.
Cuticle
A sudden change in the amount of extracellular fluid will be corrected by events following the release of substances from this organ.
Catabolism
Cnidaria
2. Breaking down
Catabolism
Restriction enzymes
About five million years ago...
Cenozoic era
3. 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
Lysosomes
The Nitrogen cycle
A gene is
Annelida
4. Some energy is lost as heat and becomes unusable.
Kingdom Animalia
Isotonic Conditions
The community
As energy is transferred through trophic levels
5. Is the waxy protective outer coating of leaves.
Cellulose - starch - lipid - and sugar molecules
Isotonic Conditions
A hydrogen bond
The cuticle
6. Is a special protein that acts as a catalyst for organic reactions.
Common elements found in proteins
As energy is transferred through trophic levels
An enzyme
Aggregate fruit
7. Occurs when an individual from an adjacent population of the same species immigrates and breeds with a member of a previously locally isolated group - resulting in a change in the gene pool.
An enzyme
Gene Migration
Bryophytes
Attraction of atoms of different polarity
8. Has extreme cold temperatures - low precipitation - modified grassland - perma-frost - a short growing season and some plants and animals.
The key limiting factor on cell size
Ecological niches open up
The synthesis of ATP molecules to store energy is an example of
Tundra
9. The process whereby cells build molecules and store energy (in the form of covalent chemical bonds).
Adenine
Anabolsim
An inhibitor
Cerebellum
10. Must be present for photosynthesis to occur - it is not used up in the process.
Protista
Protista
Chlorophyll
A species role in the food chain is part of its
11. 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
Chromatin
Xylem tissue
Paleozoic era
Phosphorous
12. Is a coenzyme required in the synthesis of collagen.
Aggregate fruit
Vitamin C
Imprinting
Circadian rhythms
13. Produce antibodies into the bloodstream that find and attach themselves to foreign antigens (toxins - bacteria).
Biogeochemical cycles
Chlorophyll has the ability to
Genetic imprinting
B Cells
14. It secretes saliva which enters the digestive tract and aids the digestive process.
Habituation
A mutation
The salivary gland
Scurvy
15. Is a packet of digestive enzymes that destroy cellular wastes.
B Cells
Xylem tissue
A lysosome
Ecological niches open up
16. 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
The cell membrane (plasma membrane)
Vitamin C
Endocytic vesicles
Free ribosomes
17. 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.
A mutation
Kingdom Fungi
DNA produces particular genetic traits through
A species role in the food chain is part of its
18. Protein synthesis
Did not evolve together
DNA produces particular genetic traits through
Photolysis is a reaction of photosynthesis where
The Cambrian Period
19. The transfer of electrons.
Carrying capacity
Cenozoic era
Nucleotides
Ionic bonds involve
20. A hydrogen bond involves the ________________ and can be easily broken.
Attraction of atoms of different polarity
Prothallus
The key limiting factor on cell size
Protista
21. The solid mass of cells resulting from the cleavage of the ovum before the formation of a blastula.
Pharynx
Morula
Gymnosperms
Population
22. This is a carboxyl group and is the signature group found within organic acids.
Destroy most enzymes
Cerebellum
C ---OH
Meristem tissue
23. The role played by an organism in its food chain.
Electron Transfer System (ETS)
Niche
Cnidaria
Kingdom Animalia
24. The destruction of gametes - (sex cells such as sperm and eggs).
Gametocide
Ectoderm tissue
Lysosomes
Kingdom Plantae
25. What phylum are snakes in?
Chordata
The theory of punctuated equilibrium
Internodal tissue
Prosthetic groups
26. The size of a cell is limited by the ratio of its surface area to volume.
The key limiting factor on cell size
The community
The cell membrane
Lysosomes
27. Where protein synthesis occurs. They float unattached in the cytoplasm. They contain RNA that is specific to their function in protein formation.
Prosthetic groups
Free ribosomes
Larynx
Cell walls
28. Contains organisms that are multicellular eukaryotes including molds and mushrooms.
Phosphorous gas
Kingdom Fungi
Trachea
Cellular Respiration
29. Cleave strands of DNA segments at certain sites.
Did not evolve together
The primary role of DNA in the cell
Restriction enzymes
Pi
30. An enzyme is unaffected by the reactions it catalyzes
Mesoderm
Anabolism
Porifera
So it can be used over and over again.
31. Contains multicellular photosynthetic eukaryotic organisms including gymnosperms and angiosperms.
Differential reproduction
Kingdom Plantae
R-selection
Allopatric speciation
32. Is a protein - which is a polymer of amino acids. They generally have the suffix -ase- like lactase.
An enzyme
Catabolism
Paleozoic era
Chlorophyll
33. 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.
Phosphorous
The Nitrogen cycle
Genetic maintenance
The cell membrane
34. Controls sensory and motor responses - and controls memory - speech - and intelligence factors.
Phototropism
Porifera
Kingdom Protista
Cerebrum
35. Layer that will become the gut lining as well as some accessory structures.
The nucleus
Color blindness
An inhibitor
Endoderm
36. 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.
Will increase the reaction rate
Photolysis is a reaction of photosynthesis where
Chimpanzees
The Hardy-Weinberg Law of Equilibrium
37. Mass extinctions promote diversification because _______________ - making conditions favorable for the establishment of new - diverse species.
Cuticle
Share electrons
Ecological niches open up
Chromatin
38. Biotic (living) factors such as population and food source - and abiotic (non-living) factors such as weather - temperature - soil features - sunlight).
The habitat of an organism includes
Lymphocytes
Cerebellum
Cenozoic era
39. Is secreted by the adrenal cortex to promote sodium reabsorption in the kidney.
Gametocide
The hormone aldosterone
A sex linked recessive disease
Lysosomes
40. Assumes that there are periods of stability during which little evolutionary change occurs - and that speciation can occur rapidly over a very short period of time.
Balance
The theory of punctuated equilibrium
Scurvy
So it can be used over and over again.
41. A sex-linked recessive disorder carried on the x chromosome in which an individual cannot perceive certain colors.
Restriction enzymes
Gene Migration
Color blindness
pathogenic
42. 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.
DNA produces particular genetic traits through
Angiosperms
Phosphorous
Precambrian period
43. Covalent bonds
The hormone aldosterone
Gymnosperms
Genome
Share electrons
44. Contain organisms that are multicellular eukaryotes including vertebrates and invertebrates.
Kingdom Animalia
Genetic screening
Kingdom Protista
Anabolsim
45. Contains the chromosomes and is the site of reproduction through mitosis and meiosis.
Midbrain
Common elements found in proteins
Meristem tissue
The nucleus
46. Is a compound fruit that develops from many ovaries of a single flower fusing together (raspberry).
Plasmodesmata
Mature sporophyte
Aggregate fruit
Chlorophyll has the ability to
47. Subsets below the kingdom level
A mutation
Phyla
Protista
Gametogenesis
48. Synthesis
Anabolism
Recycled environmental factors
As energy is transferred through trophic levels
Saprophytic
49. Is an abundant element found in protoplasm. Together with oxygen - hydrogen - and nitrogen - it composes over 90% of cellular structure.
Imprinting
The Cell Theory
Meristem tissue
Carbon
50. Mitochondria - they constitute the center of cellular respiration.
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