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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. The number of organisms in a given community - can be above or below the carrying capacity.
Aganatha
Cellulose - starch - lipid - and sugar molecules
Natality
Population
2. Is the number of organisms that can be supported within a particular ecosystem.
An enzyme
Aves
North America
Carrying capacity
3. Niche
A species role in the food chain is part of its
Phloem tissue
Recycled environmental factors
R-selection
4. Is a coenzyme required in the synthesis of collagen.
Stem tissues
Endoderm
Cuticle
Vitamin C
5. The individual we recognize as an adult fern.
Mature sporophyte
The Cell Theory
So it can be used over and over again.
Trachea
6. Super-class of vertebrae including organisms with no jaws.
Aganatha
Gametogenesis
Savanna
Cytosine
7. Develops from the morula as a thin layer of cells surrounding an internal cavity.
pH of Water
Chromosome
Centrioles
Blastula
8. 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.
Genetic imprinting
Imprinting
Biogeochemical cycles
Enzymes catalyze reactions
9. Proposes that those individuals within a population that are most adapted to the environment are also the most likely individuals to produce viable offspring.
Biogeochemical cycles
Recycled environmental factors
Mitochondria
Differential reproduction
10. Where protein synthesis occurs. They float unattached in the cytoplasm. They contain RNA that is specific to their function in protein formation.
Cellulose - starch - lipid - and sugar molecules
Non-protein
Free ribosomes
Kingdom Fungi
11. Includes all living and nonliving components of the Earth to support living things.
So it can be used over and over again.
Biogeochemical cycles
Epidermal tissue
The biosphere
12. Protein synthesis
Vascular bundles
DNA produces particular genetic traits through
B Cells
Angiosperms
13. Is disorganized - unravelled - DNA with histones attached.
Chromatin
Nematoda
Balance
Vitamin C
14. The pituitary gland.
A species role in the food chain is part of its
A sudden change in the amount of extracellular fluid will be corrected by events following the release of substances from this organ.
Stem tissues
Chlorophyll has the ability to
15. Is when expression of genetic traits is determined by weather the trait is inherited from the mother or the father.
Genetic imprinting
The pituitary gland
Scurvy
Parenchyma tissue
16. Contain one celled eukaryotes such as algae and protozoa.
Photolysis is a reaction of photosynthesis where
Chromosome
The Cambrian Period
Kingdom Protista
17. Is the organelle where cellular reproductive processes occur.
Kingdom Fungi
Prosthetic groups
The nucleus
Cellular Respiration
18. Is an abundant element found in protoplasm. Together with oxygen - hydrogen - and nitrogen - it composes over 90% of cellular structure.
Destroy most enzymes
A catalyst
An inhibitor
Carbon
19. 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
The biosphere
A mutation
Phototropism
The Cambrian Period
20. Is an ion that binds to an enzyme making it more able to catalyze a reaction.
Savanna
Cytosine
A prosthetic group
Scurvy
21. Breaking down
Kingdom Protista
DNA replication
Catabolism
Ecological niches open up
22. Produce adrenaline. This hormone is a well-known constrictor of blood vessels.
Biosphere
Adenine
The adrenal glands
Phosphorous gas
23. The lineage that led to the modern Homo Sapiens diverged from the lineage that led to the modern chimpanzee.
Ecotone
Aves
About five million years ago...
Cell walls
24. The part of the earth that contains all living things - including the atmosphere (air) - the lithosphere (earth) - and the hydrosphere (water).
Aganatha
Biosphere
So it can be used over and over again.
A gene is
25. Consists of undifferentiated cells capable of quick growth and specialization. It is responsible for elongation of the stem.
Niche
Meristem tissue
parasitic
Restriction enzymes
26. 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
Filtered by the liver
The Cell Theory
Endocytic vesicles
Cerebellum
27. Is the sugar that lactase acts upon.
Cell walls
An inhibitor
Lactose
Fixed Action Pattern (FAP)
28. Is a kingdom that includes algae and protozoa.
Did not evolve together
The cell membrane (plasma membrane)
Protista
pH of Water
29. Algae and Protozoa belong to the kingdom...
Genetic imprinting
Protista
Silicon
Bryophytes
30. It secretes saliva which enters the digestive tract and aids the digestive process.
The salivary gland
About five million years ago...
Color blindness
Vascular bundles make up the
31. In DNA Guanine pairs with...
Spiracles
Lactose
Epidermal tissue
Cytosine
32. Is secreted by the adrenal cortex to promote sodium reabsorption in the kidney.
Color blindness
The Nitrogen cycle
Interphase
The hormone aldosterone
33. Attaches to an enzyme and blocks the enzyme reaction rather than enhancing it - like a prosthetic group would.
Trachea
The pituitary gland
Gnathostomata
An inhibitor
34. The sharp boundary of an ecosystem.
The biosphere
Ecotone
Cenozoic era
Attraction of atoms of different polarity
35. Covalent bonds
A prosthetic group
Stomach secretions
Ionic bonds involve
Share electrons
36. The preservation of the integrity of genetic information from one generation to another.
Habituation
Share electrons
Genetic maintenance
A gene is
37. Some patrol the blood for antigens - but are also equipped to destroy antigens. They may regulate immune responses as well.
T Cells
Stomach secretions
Adenine
A gene is
38. Occurs when an individual learns not to respond to a particular stimulus - for instance when a stimulus is repeated many times without consequence.
North America
Genetic screening
The products of the Krebs cycle
Habituation
39. The transfer of electrons.
Nematoda
Silicon
Ionic bonds involve
Habituation
40. Is a compound fruit that forms from several ovaries of separate flowers that fuse together during ripening (strawberry - or pineapple).
Chlorophyll has the ability to
Multiple fruit
Arthropoda
Population
41. Has extreme hot or cold temperatures - with very low precipitation - sandy or rocky terrain - sparse vegetation (mainly succulents) - small animals - rodents - and reptiles.
Vitamins
parasitic
Catabolism
Desert
42. Plants that produce flowers as reproductive organs. They have two divisions - monocots and dicots.
Angiosperms
Hypothalamus
An enzyme
Iisotonic state
43. 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
The biosphere
Will increase the reaction rate
Attraction of atoms of different polarity
Lymphocytes
44. Are cells involved in immunity and are produced in bone marrow as stem cells.
Habituation
DNA replication
Vitamin C
Lymphocytes
45. Has extreme cold temperatures - low precipitation - modified grassland - perma-frost - a short growing season and some plants and animals.
Gymnosperms
The community
Tundra
Kingdom Fungi
46. An orienting response to light.
Phosphorous gas
Biogeochemical cycles
Phototropism
Phosphorous
47. Is the waxy protective outer coating of leaves.
Isotonic Conditions
Lysosomes
A sex linked recessive disease
The cuticle
48. Is the process that releases energy for use by the cell.
Circadian rhythms
Balance
Cellular Respiration
Habituation
49. Studied the relationships between traits expressed in parents and offspring and the genes that caused the traits to be expressed.
Gregor Medel
Niche
Natality
The cell's 'powerhouses'
50. Is weaker than ionic - covalent - disulfide - or double bonds.
Aggregate fruit
Cerebrum
A hydrogen bond
The habitat of an organism includes