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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. Becomes available for erosion as undersea sedimentary rocks are up-thrust by volcanic activity - erosion releases it from rocks into streams where it combines with oxygen to form phosphates in lakes that are then absorbed by plants - it is recycled t
Phosphorous
Ectoderm
Phyla
Phosphorous gas
2. Must be present for photosynthesis to occur - it is not used up in the process.
Balance
Nematoda
Anabolsim
Chlorophyll
3. Attaches to an enzyme and blocks the enzyme reaction rather than enhancing it - like a prosthetic group would.
Hemophilia
An inhibitor
Bryophytes
Xylem tissue
4. Controls olfactory lobes (smell)
Circadian rhythms
Forebrain
Prosthetic groups
Chordata
5. Has an equal (50%) chance of being passed from a carrier mother to a son or a daughter.
A sex linked recessive disease
An enzyme
Protista
The biosphere
6. Subsets below the kingdom level
Circadian rhythms
Phloem tissue
Porifera
Phyla
7. An orienting response to light.
The community
Phloem tissue
Phototropism
A sex linked recessive disease
8. Is a special protein that acts as a catalyst for organic reactions.
Through nitrogen fixing bacteria and lighting
An enzyme
Prosthetic groups
Aggregate fruit
9. The class composed of birds.
Pharynx
Epidermal tissue
Ecological niches open up
Aves
10. Is a protein - which is a polymer of amino acids. They generally have the suffix -ase- like lactase.
An enzyme
Saprophytic
Electron Transfer System (ETS)
Cuticle
11. Biotic (living) factors such as population and food source - and abiotic (non-living) factors such as weather - temperature - soil features - sunlight).
The Hardy-Weinberg Law of Equilibrium
The habitat of an organism includes
Internodal tissue
Free ribosomes
12. Develops from the morula as a thin layer of cells surrounding an internal cavity.
Color blindness
Aggregate fruit
Biosphere
Blastula
13. The solid mass of cells resulting from the cleavage of the ovum before the formation of a blastula.
Morula
Carbon
Altruism
Gnathostomata
14. Is comprised of all the organisms that interact within a given ecosystem whether or not it is at carrying capacity.
The Nitrogen cycle
The Cell Theory
The community
R-selection
15. Is the waxy protective outer coating of leaves.
The pituitary gland
The cuticle
Altruism
Cerebellum
16. Most fossils of Hominids are from continents other than...
North America
The salivary gland
Common elements found in proteins
Color blindness
17. Decomposition of living matter for consumption.
Cellular Metabolism
parasitic
North America
T Cells
18. Consists of undifferentiated cells capable of quick growth and specialization. It is responsible for elongation of the stem.
Midbrain
Fixed Action Pattern (FAP)
Ecotone
Meristem tissue
19. Is disorganized - unravelled - DNA with histones attached.
The theory of punctuated equilibrium
parasitic
Bryophytes
Chromatin
20. Is a coenzyme required in the synthesis of collagen.
An enzyme
Vitamin C
Protista
Endocytic vesicles
21. Approximately 7 - making it neither basic (under 7) nor alkaline (over 7).
parasitic
pH of Water
Circadian rhythms
Habituation
22. Is a phylum that contains sponges.
Chimpanzees
Balance
Porifera
Phototropism
23. Controls hunger and thirst
Hypothalamus
Precambrian period
Very specific
Altruism
24. A cell will only remain stable if the surface area of the plasma membrane maintains a __________ with the volume of the cytoplasm.
Aggregate fruit
The habitat of an organism includes
Balance
Ectoderm tissue
25. Contains multicellular photosynthetic eukaryotic organisms including gymnosperms and angiosperms.
Kingdom Plantae
Tundra
Cuticle
Pharynx
26. Produce seeds without flowers. They include conifers (cone-bearers) and cycads.
Porifera
Gymnosperms
Cerebrum
Genetic maintenance
27. 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
The synthesis of ATP molecules to store energy is an example of
Aves
Vitamins
28. Process of breaking down complex materials (foods) to form simpler substances and release energy.
Trachea
Catabolism
Circadian rhythms
Kingdom Animalia
29. 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
Habituation
Circadian rhythms
Habitat
Morula
30. 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.
Chimpanzees
Sudden appearance and disappearance of fossil species
Filtered by the liver
Aganatha
31. Is very rare and is not absorbed by plant leaves. Phosphorous is nearly always found in solid form.
A gene is
Phototropism
Phosphorous gas
Color blindness
32. The preservation of the integrity of genetic information from one generation to another.
Midbrain
C ---OH
Genetic maintenance
Parenchyma tissue
33. Is found in the root cap and is responsible for quick growth in the roots.
Phloem tissue
Anabolism
A mutation
Meristem tissue
34. Provide rigidity to plant cells (and some bacteria) and are not found within animal cells.
Vascular bundles
Kingdom Fungi
Cell walls
Vitamins
35. Some energy is lost as heat and becomes unusable.
Protista
As energy is transferred through trophic levels
Niche
About five million years ago...
36. Are organic cofactors or coenzymes that are required by some enzymatic reactions.
Vitamins
Precambrian period
Midbrain
Aves
37. A reaction that adds water to another compound. (2 hydrogens - 1 oxygen).
Hydrolysis
B Cells
Allopatric speciation
The cell's 'powerhouses'
38. A length of DNA (with corresponding histones) is responsible for the production of a certain protein that causes a particular trait to be expressed in an organism.
An enzyme
Cell walls
pH of Water
A gene is
39. Stood upright before there was an increase in brain size.
Phosphorous gas
Balance
Early hominids...
Non-protein
40. Are the organelles where cellular respiration occurs.
Mitochondria
Common elements found in proteins
Photolysis is a reaction of photosynthesis where
Spiracles
41. Is the outermost layer of cells of the stem.
Carbon
The key limiting factor on cell size
Cenozoic era
Epidermal tissue
42. Is the control of protein synthesis. Genetic traits are expressed and specialization of cells occur as a result of the combination of proteins produced by the DNA of a cell.
Cellular Respiration
Will increase the reaction rate
The primary role of DNA in the cell
Cuticle
43. 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.
C ---OH
Cuticle
Trachea
Destroy most enzymes
44. The total amount of genetic information available for a given species.
Annelida
Angiosperms
Genome
Cerebellum
45. Is a kind of plain characterized by a warm climate - grassland - and seasonally dry climate conditions.
Endocytic vesicles
Savanna
Protista
Mitochondria
46. 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.
Cerebrum
Ectoderm
The Cambrian Period
pathogenic
47. Is a substance that changes the speed of a reaction without being affected itself.
Centrioles
Epidermal tissue
A catalyst
A mutation
48. The role played by an organism in its food chain.
Saprophytic
Niche
The habitat of an organism includes
pathogenic
49. Are easily converted to ATP - but the main energy products of the Krebs cycle liberate electrons then used in the electron transfer reactions.
About five million years ago...
parasitic
DNA produces particular genetic traits through
The products of the Krebs cycle
50. Is a molecule that stores information for protein synthesis and genetic coding.
Ribonucleic acid
Sudden appearance and disappearance of fossil species
Successful reproduction
Altruism