SUBJECTS
|
BROWSE
|
CAREER CENTER
|
POPULAR
|
JOIN
|
LOGIN
Business Skills
|
Soft Skills
|
Basic Literacy
|
Certifications
About
|
Help
|
Privacy
|
Terms
|
Email
Search
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.
A catalyst
Arthropoda
Genetic screening
Mesozoic era
2. The pharynx is between the nasal passage and the trachea. Air passes into the body via the nasal passage - then passes through the pharynx and on to the trachea.
Larynx
Pharynx
Endoderm
Germ layers
3. Is an ion that binds to an enzyme making it more able to catalyze a reaction.
Epidermal tissue
pathogenic
A prosthetic group
The cell membrane (plasma membrane)
4. Produce seeds without flowers. They include conifers (cone-bearers) and cycads.
The biosphere
Gymnosperms
Nucleotides
Successful reproduction
5. Disease causing
Protista
Morula
pathogenic
Imprinting
6. Provide rigidity to plant cells (and some bacteria) and are not found within animal cells.
Did not evolve together
Niche
Chlorophyll has the ability to
Cell walls
7. Are produced when water passes through the cell membrane by osmosis from an area of higher concentration to an area of lower concentration - to equalize water concentration.
Did not evolve together
Lactose
Isotonic Conditions
Kingdom Plantae
8. 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
Phototropism
Cerebrum
Cuticle
The cell membrane
9. Attaches to an enzyme and blocks the enzyme reaction rather than enhancing it - like a prosthetic group would.
Anabolism
Centrioles
An inhibitor
Isotonic Conditions
10. Transparency - polarity - high specific heat - and density (lower density when solid than when liquid.).
Characteristics of water valuable to living organisms
Ectoderm tissue
Endocytic vesicles
Meristem tissue
11. Protein synthesis
Silicon
DNA produces particular genetic traits through
Share electrons
Color blindness
12. An enzyme is unaffected by the reactions it catalyzes
The key limiting factor on cell size
Population
Epidermal tissue
So it can be used over and over again.
13. 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.
The cell membrane (plasma membrane)
C ---OH
Germ layers
The theory of punctuated equilibrium
14. This is a carboxyl group and is the signature group found within organic acids.
The nucleus
The pancreas
C ---OH
Chimpanzees
15. The process whereby cells build molecules and store energy (in the form of covalent chemical bonds).
Anabolsim
The key limiting factor on cell size
Vascular bundles make up the
Chordata
16. A suffix meaning 'to break apart.' O || ||
pH of Water
Lysis
Color blindness
Cellulose - starch - lipid - and sugar molecules
17. Controls olfactory lobes (smell)
T Cells
Stem tissues
Forebrain
Meristem tissue
18. Are cells involved in immunity and are produced in bone marrow as stem cells.
Kingdom Fungi
Meristem tissue
A species role in the food chain is part of its
Lymphocytes
19. A hydrogen bond involves the ________________ and can be easily broken.
Cellular Metabolism
Attraction of atoms of different polarity
Simple fruits
Protista
20. Is a kingdom that includes algae and protozoa.
Meristem tissue
A sudden change in the amount of extracellular fluid will be corrected by events following the release of substances from this organ.
T Cells
Protista
21. The phyla of sponges.
Porifera
The pituitary gland
Paleozoic era
Silicon
22. The physical place where a particular organism lives. It must include all the factors that will support its life and reproduction.
Habitat
Share electrons
Meristem tissue
Fixed Action Pattern (FAP)
23. Is the major component of sand and is the most abundant element found in the lithosphere. It is not recycled.
Silicon
Sudden appearance and disappearance of fossil species
Non-protein
The products of the Krebs cycle
24. 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)
Phototropism
Ecotone
Genetic screening
25. 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
Kingdom Animalia
Destroy most enzymes
Germ layers
26. Has loosely packed cells that allow for gas and moisture exchange.
Arthropoda
Chromosome
Phosphorous
Parenchyma tissue
27. The sharp boundary of an ecosystem.
A mutation
An enzyme
Share electrons
Ecotone
28. Produce antibodies into the bloodstream that find and attach themselves to foreign antigens (toxins - bacteria).
Prothallus
Free ribosomes
B Cells
Hypothalamus
29. 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.
Photolysis is a reaction of photosynthesis where
Nematoda
Vascular bundles
Characteristics of water valuable to living organisms
30. The individual we recognize as an adult fern.
Mature sporophyte
Trachea
A prosthetic group
Paleozoic era
31. The process of forming eggs and sperm cells in the reproductive organs.
Phyla
Gametogenesis
Internodal tissue
Gnathostomata
32. Is secreted by the adrenal cortex to promote sodium reabsorption in the kidney.
Phyla
Kingdom Plantae
Carrying capacity
The hormone aldosterone
33. 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.
A gene is
Filtered by the liver
Cell walls
Desert
34. Is a compound fruit that develops from many ovaries of a single flower fusing together (raspberry).
Aggregate fruit
Destroy most enzymes
Paleozoic era
An enzyme
35. The total amount of genetic information available for a given species.
Genome
So it can be used over and over again.
Characteristics of water valuable to living organisms
Phototropism
36. There was extensive radiation of fish during the Devonian and Silurian periods within the Paleozoic Era.
Restriction enzymes
The adrenal glands
Arthropoda
Paleozoic era
37. 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 key limiting factor on cell size
Endocytic vesicles
The cell membrane
Habitat
38. High temperatures
Destroy most enzymes
Anabolsim
Mature sporophyte
Niche
39. All store energy within their chemical bonds.
Kingdom Plantae
Ecotone
Cellulose - starch - lipid - and sugar molecules
The cell membrane (plasma membrane)
40. Internally generated patterns of body functions - including hormonal signals - sleep - blood pressure - and temperature regulation - which have approximately a 24-hour cycle and occur even in the absence of normal cues about whether it is day or nigh
Circadian rhythms
Cerebrum
Xylem tissue
Chlorophyll
41. Inorganic phosphate
Habituation
Pi
Precambrian period
Endocytic vesicles
42. Are organic cofactors or coenzymes that are required by some enzymatic reactions.
Allopatric speciation
Vitamins
An inhibitor
Interphase
43. Studied the relationships between traits expressed in parents and offspring and the genes that caused the traits to be expressed.
Color blindness
Gregor Medel
Interphase
Genetic screening
44. Develops from the morula as a thin layer of cells surrounding an internal cavity.
Biosphere
Common elements found in proteins
North America
Blastula
45. Veins in the leaf and are also distributed throughout the stem
Vascular bundles make up the
Iisotonic state
Protista
Pharynx
46. The role played by an organism in its food chain.
Share electrons
Mature sporophyte
Niche
Destroy most enzymes
47. When the water concentration inside and outside the cell is equal - It is said to be in an...
Chimpanzees
Iisotonic state
Cuticle
A gene is
48. Small - green - heart-shaped gametophyte plant form of a fern that can make its own food and absorb water and nutrients from the soil
The cell membrane
Germ layers
DNA produces particular genetic traits through
Prothallus
49. Is an abundant element found in protoplasm. Together with oxygen - hydrogen - and nitrogen - it composes over 90% of cellular structure.
Carbon
Mature sporophyte
The biosphere
A sex linked recessive disease
50. Is a phylum that contains sponges.
Cerebrum
Porifera
Meristem tissue
Annelida