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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 process whereby cells build molecules and store energy (in the form of covalent chemical bonds).
Porifera
Vascular bundles make up the
Enzymes catalyze reactions
Anabolsim
2. Mitochondria - they constitute the center of cellular respiration.
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3. Is a compound fruit that develops from many ovaries of a single flower fusing together (raspberry).
The habitat of an organism includes
North America
Desert
Aggregate fruit
4. Ended with the extinction of the dinosaurs.
Mesozoic era
An enzyme
Balance
Filtered by the liver
5. Where protein synthesis occurs. They float unattached in the cytoplasm. They contain RNA that is specific to their function in protein formation.
Electron Transfer System (ETS)
Chromosome
Free ribosomes
Parenchyma tissue
6. The systematic search for individuals with a specific genotype in a delineated population.
Cenozoic era
Genetic screening
As energy is transferred through trophic levels
Photolysis is a reaction of photosynthesis where
7. Occurs when an individual from an adjacent population of the same species immigrates and breeds with a member of a previously locally isolated group - resulting in a change in the gene pool.
Phosphorous
Cuticle
Gene Migration
Porifera
8. Most fossils of Hominids are from continents other than...
Non-protein
North America
Blastula
Alveoli
9. Contains many genes and is a structure comprised of linear DNA and associated proteins.
Chromosome
Germ layers
Anabolism
Prosthetic groups
10. Carbon - Hydrogen - Oxygen - and Nitrogen
A sex linked recessive disease
Restriction enzymes
Common elements found in proteins
Endocytic vesicles
11. 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 Cambrian Period
Aganatha
Electron Transfer System (ETS)
A sex linked recessive disease
12. Transparency - polarity - high specific heat - and density (lower density when solid than when liquid.).
The Cell Theory
Characteristics of water valuable to living organisms
The primary role of DNA in the cell
Kingdom Animalia
13. The sharp boundary of an ecosystem.
Ecotone
Paleozoic era
Mature sporophyte
Protista
14. Is the outermost layer of cells of the stem.
T Cells
A hydrogen bond
Destroy most enzymes
Epidermal tissue
15. The number of organisms in a given community - can be above or below the carrying capacity.
The Cambrian Period
Pharynx
Genetic imprinting
Population
16. Small - green - heart-shaped gametophyte plant form of a fern that can make its own food and absorb water and nutrients from the soil
Vitamin C
Prothallus
Gregor Medel
Pi
17. Include: Vascular tissue - including both xylem and phloem - and sieve plates existing between cells of the stem.
Share electrons
Stem tissues
Chromosome
Mesozoic era
18. The bronchi lead to the two lungs where they branch out in all directions into smaller tubules known as bronchioles.
Population
Bronchi
Genetic screening
Genome
19. Subsets below the kingdom level
Genome
Adenine
Phyla
Iisotonic state
20. Is an abundant element found in protoplasm. Together with oxygen - hydrogen - and nitrogen - it composes over 90% of cellular structure.
As energy is transferred through trophic levels
Prosthetic groups
Porifera
Carbon
21. The solid mass of cells resulting from the cleavage of the ovum before the formation of a blastula.
Gymnosperms
Free ribosomes
The cell membrane
Morula
22. Absorb a photon of light and is found in the grana of the chloroplast.
Isotonic Conditions
Chlorophyll
Chlorophyll has the ability to
Hypothalamus
23. Approximately 7 - making it neither basic (under 7) nor alkaline (over 7).
A gene is
Prosthetic groups
Habitat
pH of Water
24. Is very rare and is not absorbed by plant leaves. Phosphorous is nearly always found in solid form.
The cuticle
The products of the Krebs cycle
Phosphorous gas
Ionic bonds involve
25. Is a kingdom that includes algae and protozoa.
Filtered by the liver
Protista
Tundra
A prosthetic group
26. Inorganic phosphate
Restriction enzymes
Bronchi
Characteristics of water valuable to living organisms
Pi
27. It secretes saliva which enters the digestive tract and aids the digestive process.
Phloem tissue
Lysis
Endoderm
The salivary gland
28. Transfers water and does not require sieve plates to allow nutrients through.
Internodal tissue
Xylem tissue
Ecotone
Bryophytes
29. Are cells involved in immunity and are produced in bone marrow as stem cells.
Mitochondria
Aggregate fruit
Lymphocytes
Aves
30. Has extreme cold temperatures - low precipitation - modified grassland - perma-frost - a short growing season and some plants and animals.
Porifera
Early hominids...
Biosphere
Tundra
31. Cleave strands of DNA segments at certain sites.
Ecological niches open up
Restriction enzymes
Mature sporophyte
Stomach secretions
32. Protein synthesis
Gametocide
DNA produces particular genetic traits through
Bryophytes
The Cambrian Period
33. Are the monomers that form nucleic acids - containing a sugar - phosphate group - and a nitrogenous base.
Nucleotides
Cell walls
Arthropoda
Non-protein
34. Veins in the leaf and are also distributed throughout the stem
Vascular bundles make up the
Filtered by the liver
Sudden appearance and disappearance of fossil species
An enzyme
35. The class composed of birds.
Plasmodesmata
Isotonic Conditions
Aves
Lymphocytes
36. Is the waxy protective outer coating of leaves.
Trachea
Simple fruits
The cuticle
The theory of punctuated equilibrium
37. Is an ion that binds to an enzyme making it more able to catalyze a reaction.
The evolution leading to Homo Sapiens...
A prosthetic group
Gene Migration
Altruism
38. 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
DNA replication
Ectoderm tissue
Phosphorous
parasitic
39. Is a substance that changes the speed of a reaction without being affected itself.
A catalyst
Chlorophyll
Centrioles
Precambrian period
40. Is disorganized - unravelled - DNA with histones attached.
The community
Phloem tissue
Chromatin
An inhibitor
41. Contains the chromosomes and is the site of reproduction through mitosis and meiosis.
The Nitrogen cycle
The nucleus
Phosphorous
Free ribosomes
42. Is secreted by the adrenal cortex to promote sodium reabsorption in the kidney.
Very specific
Nucleotides
The hormone aldosterone
The salivary gland
43. Are more closely related to Homo Sapiens than to other apes - but Homo Sapiens did not evolve from chimpanzees.
Vascular bundles make up the
Chimpanzees
Aves
Xylem tissue
44. Enzymes are usually __________ to certain reactions.
Very specific
Gymnosperms
The nucleus
Differential reproduction
45. Assumes that there are periods of stability during which little evolutionary change occurs - and that speciation can occur rapidly over a very short period of time.
Alveoli
The theory of punctuated equilibrium
Interphase
Destroy most enzymes
46. Fossilized burrows from multicellular organisms begin to appear in the geological record approximately 700 million years ago during the Precambrian period. These multicellular animals had only soft parts and could not be fossilized.
pathogenic
Precambrian period
Aves
Interphase
47. Developed by the German scientists Schleiden and Schwann - States that all living things are made of cells - cells are the basic units of life - all cells come from pre-existing cells.
A sex linked recessive disease
The Cell Theory
Desert
Ectoderm
48. The lineage that led to the modern Homo Sapiens diverged from the lineage that led to the modern chimpanzee.
The salivary gland
The evolution leading to Homo Sapiens...
About five million years ago...
So it can be used over and over again.
49. In DNA Guanine pairs with...
Cytosine
Blastula
Differential reproduction
Cerebellum
50. Mass extinctions promote diversification because _______________ - making conditions favorable for the establishment of new - diverse species.
Ecological niches open up
A prosthetic group
Gymnosperms
The primary role of DNA in the cell