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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 sharp boundary of an ecosystem.
The hormone aldosterone
Ecotone
Larynx
Arthropoda
2. 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
Bronchi
Cnidaria
Simple fruits
3. Is the organelle where cellular reproductive processes occur.
North America
Natality
The nucleus
Restriction enzymes
4. Contains many genes and is a structure comprised of linear DNA and associated proteins.
Electron Transfer System (ETS)
Chromosome
Stomach secretions
Destroy most enzymes
5. Is disorganized - unravelled - DNA with histones attached.
Desert
Chromatin
Attraction of atoms of different polarity
Bryophytes
6. Occurs when an individual learns not to respond to a particular stimulus - for instance when a stimulus is repeated many times without consequence.
Habituation
Population
Allopatric speciation
Anabolism
7. Produces the most ATP molecules - yielding 34 ATPs per glucose molecule.
The salivary gland
Chlorophyll has the ability to
Ionic bonds involve
Electron Transfer System (ETS)
8. Are organic cofactors or coenzymes that are required by some enzymatic reactions.
Vitamins
Lysis
R-selection
Restriction enzymes
9. Must be present for photosynthesis to occur - it is not used up in the process.
The hormone aldosterone
Lymphocytes
Chlorophyll
Kingdom Protista
10. Some energy is lost as heat and becomes unusable.
Cerebellum
Electron Transfer System (ETS)
pathogenic
As energy is transferred through trophic levels
11. Is composed of an anterior and posterior lobe. The stalk of the lobe is connected to the hypothalamus. Antidiuretic Hormone (AH) is produced in the hypothalamus and stored in the posterior pituitary. Upon nervous stimulation from the hypothalamus - t
The pituitary gland
Endoderm
Vascular bundles
B Cells
12. Is the process that releases energy for use by the cell.
Cellular Respiration
Cytosine
Anabolsim
Genetic maintenance
13. Allows for the genetic code to be preserved in future generations of cells.
DNA replication
Recycled environmental factors
Genetic screening
Very specific
14. Is secreted by the adrenal cortex to promote sodium reabsorption in the kidney.
The hormone aldosterone
About five million years ago...
Cerebellum
Gregor Medel
15. Controls sensory and motor responses - and controls memory - speech - and intelligence factors.
Prothallus
Cerebrum
The hormone aldosterone
Spiracles
16. Some patrol the blood for antigens - but are also equipped to destroy antigens. They may regulate immune responses as well.
T Cells
Will increase the reaction rate
Cenozoic era
Catabolism
17. 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
Silicon
Cellular Metabolism
Ectoderm tissue
18. Contains the chromosomes and is the site of reproduction through mitosis and meiosis.
Mitochondria
The nucleus
Vitamins
The evolution leading to Homo Sapiens...
19. Is the sugar that lactase acts upon.
Genetic maintenance
Lactose
Midbrain
Vitamin C
20. The phylum of insects (bees).
Arthropoda
The primary role of DNA in the cell
Spiracles
Isotonic Conditions
21. Produce antibodies into the bloodstream that find and attach themselves to foreign antigens (toxins - bacteria).
Aggregate fruit
Biosphere
An inhibitor
B Cells
22. Cleave strands of DNA segments at certain sites.
Restriction enzymes
Blastula
Xylem tissue
The Cell Theory
23. 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.
Midbrain
Isotonic Conditions
Angiosperms
Bronchi
24. Are cells involved in immunity and are produced in bone marrow as stem cells.
Lymphocytes
The Nitrogen cycle
Vascular bundles make up the
Phototropism
25. Covalent bonds
Cellulose - starch - lipid - and sugar molecules
Allopatric speciation
Share electrons
Spiracles
26. Fruits that develop from a single ripened ovary (apple - olive - acorn - cucumber).
Sudden appearance and disappearance of fossil species
Aggregate fruit
Parenchyma tissue
Simple fruits
27. The process of forming eggs and sperm cells in the reproductive organs.
Allopatric speciation
A sex linked recessive disease
Gametogenesis
Plasmodesmata
28. Mass extinctions promote diversification because _______________ - making conditions favorable for the establishment of new - diverse species.
Ecological niches open up
Chromosome
C ---OH
Blastula
29. It secretes saliva which enters the digestive tract and aids the digestive process.
Allopatric speciation
The salivary gland
pH of Water
Chromatin
30. Carbon - nitrogen - phosphorous - and water. These are all recycled through biogeochemical processes.
Recycled environmental factors
Vascular bundles
DNA produces particular genetic traits through
Photolysis is a reaction of photosynthesis where
31. Plants and animals obtain usable nitrogen
A catalyst
Ectoderm tissue
Through nitrogen fixing bacteria and lighting
Aggregate fruit
32. Layer that will become the gut lining as well as some accessory structures.
Endoderm
Hydrolysis
Adenine
A sudden change in the amount of extracellular fluid will be corrected by events following the release of substances from this organ.
33. Digestive enzymes - hydrochloric acid - and gastric juices which aid in digestion. The mucous secreted by the stomach protects the stomach lining from the acids and juices.
pH of Water
Stomach secretions
Phototropism
Did not evolve together
34. Channels is cell membranes that carry water between cells.
Lysosomes
Plasmodesmata
Will increase the reaction rate
Population
35. 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.
Sudden appearance and disappearance of fossil species
Ectoderm
A species role in the food chain is part of its
Successful reproduction
36. Refers to the birthrate of a population.
So it can be used over and over again.
Chromatin
Chordata
Natality
37. A reaction that adds water to another compound. (2 hydrogens - 1 oxygen).
The adrenal glands
Meristem tissue
Hydrolysis
Lymphocytes
38. Develops from the morula as a thin layer of cells surrounding an internal cavity.
A mutation
Lactose
Blastula
Phototropism
39. The lineage that led to the modern Homo Sapiens diverged from the lineage that led to the modern chimpanzee.
Altruism
Chlorophyll
About five million years ago...
The pituitary gland
40. 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
Differential reproduction
Ectoderm tissue
Cellular Respiration
Fixed Action Pattern (FAP)
41. The vocal cords are found in the larynx.
Cell walls
Larynx
Circadian rhythms
Pi
42. The pituitary gland.
Restriction enzymes
Adenine
A sudden change in the amount of extracellular fluid will be corrected by events following the release of substances from this organ.
Simple fruits
43. (of some plants or fungi) feeding on dead or decaying organic matter
A lysosome
Saprophytic
Biosphere
Electron Transfer System (ETS)
44. Is a coenzyme required in the synthesis of collagen.
The cell's 'powerhouses'
The Cambrian Period
Multiple fruit
Vitamin C
45. Contain organisms that are multicellular eukaryotes including vertebrates and invertebrates.
Kingdom Animalia
Simple fruits
Forebrain
An enzyme
46. Has an equal (50%) chance of being passed from a carrier mother to a son or a daughter.
Chlorophyll has the ability to
Lysosomes
Bryophytes
A sex linked recessive disease
47. Is an ion that binds to an enzyme making it more able to catalyze a reaction.
Porifera
A prosthetic group
Gametocide
Free ribosomes
48. A cell will only remain stable if the surface area of the plasma membrane maintains a __________ with the volume of the cytoplasm.
Arthropoda
Balance
Forebrain
A hydrogen bond
49. Is a kind of plain characterized by a warm climate - grassland - and seasonally dry climate conditions.
Cerebellum
Anabolsim
Savanna
Angiosperms
50. Is a kingdom that includes algae and protozoa.
Plasmodesmata
Protista
Ribonucleic acid
Habitat