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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. Is a kind of plain characterized by a warm climate - grassland - and seasonally dry climate conditions.
Savanna
Porifera
Free ribosomes
Blastula
2. Is when expression of genetic traits is determined by weather the trait is inherited from the mother or the father.
Anabolism
The cell's 'powerhouses'
Genetic imprinting
Ecotone
3. Produce antibodies into the bloodstream that find and attach themselves to foreign antigens (toxins - bacteria).
B Cells
Chimpanzees
Prothallus
Catabolism
4. Is comprised of all the organisms that interact within a given ecosystem whether or not it is at carrying capacity.
Chlorophyll has the ability to
Hypothalamus
The Cambrian Period
The community
5. 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
Genetic maintenance
Hydrolysis
pH of Water
6. Algae and Protozoa belong to the kingdom...
The salivary gland
Free ribosomes
Will increase the reaction rate
Protista
7. Is the process that releases energy for use by the cell.
Cellular Respiration
Mesoderm
Anabolsim
The community
8. 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
A sudden change in the amount of extracellular fluid will be corrected by events following the release of substances from this organ.
The nucleus
Prothallus
9. An opportunistic life strategy strategy. Lichens invading a bare rock area after a volcanic eruption is an example.
R-selection
Genetic screening
The primary role of DNA in the cell
Kingdom Protista
10. Is the earliest period of the Paleozoic era. Began with the Cambrian explosion - this explosion of life resulted in the representatives of most of the modern phyla being present.
The adrenal glands
Phyla
Blastula
The Cambrian Period
11. Is the period when the cell is active in carrying on the function it was designed to perform within the organism. Cells spend much more time in interphase than in cell division.
Genome
Interphase
Centrioles
Characteristics of water valuable to living organisms
12. Provide rigidity to plant cells (and some bacteria) and are not found within animal cells.
Filtered by the liver
The biosphere
Cell walls
Early hominids...
13. Is a substance that changes the speed of a reaction without being affected itself.
Genetic imprinting
A catalyst
Free ribosomes
Chromosome
14. 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 cell membrane
Angiosperms
Ecotone
DNA replication
15. Breaking down
Lactose
Will increase the reaction rate
Catabolism
Stem tissues
16. The role played by an organism in its food chain.
Altruism
Niche
Gymnosperms
DNA produces particular genetic traits through
17. Niche
Scurvy
Silicon
Cytosine
A species role in the food chain is part of its
18. Mitochondria - they constitute the center of cellular respiration.
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19. 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)
The hormone aldosterone
The Cambrian Period
Angiosperms
20. 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.
About five million years ago...
North America
Phototropism
Germ layers
21. 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.
Ionic bonds involve
The Nitrogen cycle
Photolysis is a reaction of photosynthesis where
pH of Water
22. The total amount of genetic information available for a given species.
Catabolism
Genome
Stem tissues
B Cells
23. Produce seeds without flowers. They include conifers (cone-bearers) and cycads.
Gymnosperms
Enzymes catalyze reactions
Midbrain
The cuticle
24. The process whereby cells build molecules and store energy (in the form of covalent chemical bonds).
Carbon
Hemophilia
Anabolsim
Aganatha
25. A hydrogen bond involves the ________________ and can be easily broken.
Phloem tissue
North America
Attraction of atoms of different polarity
An enzyme
26. A sex-linked recessive disorder carried on the x chromosome in which an individual cannot perceive certain colors.
A species role in the food chain is part of its
Color blindness
Altruism
Hydrolysis
27. Fruits that develop from a single ripened ovary (apple - olive - acorn - cucumber).
Blastula
Photolysis is a reaction of photosynthesis where
The community
Simple fruits
28. Respiratory organs within insects
parasitic
The pituitary gland
Spiracles
As energy is transferred through trophic levels
29. The phylum of insects (bees).
Porifera
Trachea
Arthropoda
Kingdom Protista
30. The vocal cords are found in the larynx.
Porifera
Habituation
DNA replication
Larynx
31. Is a compound fruit that forms from several ovaries of separate flowers that fuse together during ripening (strawberry - or pineapple).
B Cells
Cuticle
Vascular bundles make up the
Multiple fruit
32. Is a kingdom that includes algae and protozoa.
Free ribosomes
So it can be used over and over again.
Precambrian period
Protista
33. Are where the sugars synthesized by photosynthesis travel through to various parts of the plant.
Vascular bundles
Savanna
Isotonic Conditions
An enzyme
34. Nonvascular plants such as mosses which lack tissue for conducting food or water.
Niche
Bryophytes
An enzyme
Kingdom Protista
35. Some patrol the blood for antigens - but are also equipped to destroy antigens. They may regulate immune responses as well.
Cuticle
Biosphere
Silicon
T Cells
36. An enzyme is unaffected by the reactions it catalyzes
Altruism
Ectoderm
So it can be used over and over again.
A lysosome
37. Absorb a photon of light and is found in the grana of the chloroplast.
The evolution leading to Homo Sapiens...
Sudden appearance and disappearance of fossil species
Chlorophyll has the ability to
Phosphorous
38. 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
Phloem tissue
Early hominids...
Mesoderm
39. Engages in both passive and active transport.
Trachea
Lysosomes
The cell membrane (plasma membrane)
Electron Transfer System (ETS)
40. 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.
The Cambrian Period
Stomach secretions
Tundra
Hydrolysis
41. The number of organisms in a given community - can be above or below the carrying capacity.
Population
The primary role of DNA in the cell
Cnidaria
Endoderm
42. The process of forming eggs and sperm cells in the reproductive organs.
Habituation
Pi
Gametogenesis
B Cells
43. High temperatures
Destroy most enzymes
Biogeochemical cycles
Larynx
Adenine
44. Is a social behavior of an organism that is beneficial to the group at the individual's expense.
An inhibitor
The biosphere
Chromatin
Altruism
45. Has loosely packed cells that allow for gas and moisture exchange.
Color blindness
Non-protein
Parenchyma tissue
Protista
46. Is a protein - which is a polymer of amino acids. They generally have the suffix -ase- like lactase.
An enzyme
Porifera
Genetic screening
Bronchi
47. The most recent and present era. It includes the radiation of flowering plants - the angiosperms.
The key limiting factor on cell size
So it can be used over and over again.
Cenozoic era
A hydrogen bond
48. Are membrane-bound organelles that contain digestive enzymes that digest dead or unused material within the cell or materials absorbed by the cell for use.
Pi
Lysosomes
Mitochondria
Cellulose - starch - lipid - and sugar molecules
49. 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.
Porifera
Recycled environmental factors
Blastula
Successful reproduction
50. Anabolism
Gametogenesis
The synthesis of ATP molecules to store energy is an example of
Phototropism
C ---OH
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