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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. Controls hunger and thirst
R-selection
Phototropism
Hypothalamus
Chimpanzees
2. Contain organisms that are multicellular eukaryotes including vertebrates and invertebrates.
Kingdom Animalia
Iisotonic state
Morula
Aganatha
3. A suffix meaning 'to break apart.' O || ||
Circadian rhythms
Electron Transfer System (ETS)
Lysis
A catalyst
4. Is found in the root cap and is responsible for quick growth in the roots.
Share electrons
Desert
Carrying capacity
Meristem tissue
5. Super-class of vertebrae including organisms with no jaws.
Arthropoda
Anabolsim
Aganatha
Morula
6. Is a phylum that contains sponges.
Habitat
Ectoderm tissue
Porifera
As energy is transferred through trophic levels
7. Proposes that those individuals within a population that are most adapted to the environment are also the most likely individuals to produce viable offspring.
Differential reproduction
Share electrons
Electron Transfer System (ETS)
Cytosine
8. Can be accounted for by the theory of punctuated equilibrium. The fossil record shows periods of stability with regard to appearance and disappearance of species as well as periods of sudden change.
Sudden appearance and disappearance of fossil species
Chromatin
The theory of punctuated equilibrium
Vitamins
9. Allows for the genetic code to be preserved in future generations of cells.
Color blindness
Mesoderm
DNA replication
Common elements found in proteins
10. Between the endoderm and ectoderm - layer that will eventually form the muscles - and organs of the skeletal - circulatory - respiratory - reproductive - and excretory systems.
Mesoderm
The cuticle
Internodal tissue
Lactose
11. Are organic cofactors or coenzymes that are required by some enzymatic reactions.
The nucleus
Vitamins
Allopatric speciation
The adrenal glands
12. Is when expression of genetic traits is determined by weather the trait is inherited from the mother or the father.
Common elements found in proteins
Successful reproduction
Hydrolysis
Genetic imprinting
13. Is the number of organisms that can be supported within a particular ecosystem.
Midbrain
DNA produces particular genetic traits through
Circadian rhythms
Carrying capacity
14. Is the outermost of the three main layers of an embryo.
pH of Water
North America
R-selection
Ectoderm tissue
15. Are where the sugars synthesized by photosynthesis travel through to various parts of the plant.
Nematoda
Vascular bundles
Restriction enzymes
Interphase
16. Are more closely related to Homo Sapiens than to other apes - but Homo Sapiens did not evolve from chimpanzees.
Cellular Metabolism
Bryophytes
Chimpanzees
The nucleus
17. 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
The pituitary gland
Arthropoda
Carrying capacity
18. Occurs when an individual learns not to respond to a particular stimulus - for instance when a stimulus is repeated many times without consequence.
Genetic imprinting
Habituation
Blastula
Protista
19. 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.
Ecotone
Lymphocytes
Balance
The cell membrane
20. Super-class of vertebrae including organisms with jaws.
Gnathostomata
Mature sporophyte
Population
Saprophytic
21. Are the monomers that form nucleic acids - containing a sugar - phosphate group - and a nitrogenous base.
Genetic maintenance
Nucleotides
Midbrain
The nucleus
22. Contains optic lobes - controls sight.
Anabolsim
Catabolism
Midbrain
Photolysis is a reaction of photosynthesis where
23. Produce antibodies into the bloodstream that find and attach themselves to foreign antigens (toxins - bacteria).
Gametocide
B Cells
Biosphere
Ecological niches open up
24. Are cells involved in immunity and are produced in bone marrow as stem cells.
Scurvy
Morula
Lymphocytes
Balance
25. Cleave strands of DNA segments at certain sites.
The cell's 'powerhouses'
Chlorophyll has the ability to
Restriction enzymes
Very specific
26. Produce seeds without flowers. They include conifers (cone-bearers) and cycads.
A prosthetic group
Meristem tissue
An inhibitor
Gymnosperms
27. Layer that will become the skin - some endocrine glands - and the nervous system.
The synthesis of ATP molecules to store energy is an example of
Adenine
An enzyme
Ectoderm
28. 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
A species role in the food chain is part of its
So it can be used over and over again.
pH of Water
29. Where protein synthesis occurs. They float unattached in the cytoplasm. They contain RNA that is specific to their function in protein formation.
The habitat of an organism includes
Phosphorous
Free ribosomes
Genetic imprinting
30. Some patrol the blood for antigens - but are also equipped to destroy antigens. They may regulate immune responses as well.
Lysis
Nematoda
T Cells
Free ribosomes
31. The preservation of the integrity of genetic information from one generation to another.
Chromatin
Phototropism
Niche
Genetic maintenance
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
Ecotone
Meristem tissue
Will increase the reaction rate
Recycled environmental factors
33. Has an equal (50%) chance of being passed from a carrier mother to a son or a daughter.
Precambrian period
A sex linked recessive disease
Pharynx
Cellular Respiration
34. Transfers water and does not require sieve plates to allow nutrients through.
Xylem tissue
Silicon
Gametogenesis
Biogeochemical cycles
35. Occurs when two populations are geographically isolated from each other. Over time this results in the production of two separate species.
Ecological niches open up
The adrenal glands
Allopatric speciation
The habitat of an organism includes
36. Process of breaking down complex materials (foods) to form simpler substances and release energy.
Gene Migration
Catabolism
Nucleotides
Did not evolve together
37. The transfer of electrons.
Habitat
Altruism
Ionic bonds involve
Cerebellum
38. A hydrogen bond involves the ________________ and can be easily broken.
Cellular Respiration
The key limiting factor on cell size
Attraction of atoms of different polarity
Cenozoic era
39. The phyla of sponges.
Porifera
Midbrain
Photolysis is a reaction of photosynthesis where
The key limiting factor on cell size
40. 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.
Mesoderm
Hypothalamus
Lysosomes
A mutation
41. Contain one celled eukaryotes such as algae and protozoa.
Vitamins
Nematoda
Kingdom Protista
Carbon
42. All store energy within their chemical bonds.
Early hominids...
Cerebellum
Aganatha
Cellulose - starch - lipid - and sugar molecules
43. Is a social behavior of an organism that is beneficial to the group at the individual's expense.
The Nitrogen cycle
Adenine
Altruism
So it can be used over and over again.
44. Most fossils of Hominids are from continents other than...
Lysis
Alveoli
North America
Will increase the reaction rate
45. Is secreted by the adrenal cortex to promote sodium reabsorption in the kidney.
Genome
The hormone aldosterone
Mitochondria
Vascular bundles make up the
46. When stems bend toward the light it is due to _____________ the hormone auxin - in response to light - migrates from the light to the dark side of the shoot tip. The cells on the dark side now contain more auxin - which causes the cells on that side
Enzymes catalyze reactions
Cerebrum
Interphase
Phototropism
47. Controls balance and muscle coordination
C ---OH
The evolution leading to Homo Sapiens...
Cerebellum
The community
48. Energy transformations that occur as chemicals are broken down or synthesized within the cell.
Aves
Desert
Population
Cellular Metabolism
49. Are surrounded by capillaries that allow for carbon dioxide to diffuse into the lungs and oxygen to diffuse out.
Through nitrogen fixing bacteria and lighting
Alveoli
Fixed Action Pattern (FAP)
Hemophilia
50. The solid mass of cells resulting from the cleavage of the ovum before the formation of a blastula.
Lysis
Phloem tissue
Morula
Alveoli