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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 transfer of electrons.
Ionic bonds involve
Endocytic vesicles
Phyla
Arthropoda
2. 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.
Successful reproduction
The Cell Theory
Germ layers
Sudden appearance and disappearance of fossil species
3. An orienting response to light.
Pharynx
Endocytic vesicles
Hemophilia
Phototropism
4. Produce antibodies into the bloodstream that find and attach themselves to foreign antigens (toxins - bacteria).
Protista
Kingdom Plantae
Hydrolysis
B Cells
5. Most fossils of Hominids are from continents other than...
North America
Arthropoda
Plasmodesmata
Lysis
6. A sex-linked recessive disorder carried on the x chromosome in which an individual cannot perceive certain colors.
Genome
A species role in the food chain is part of its
Color blindness
Filtered by the liver
7. Covers and protects the leaf.
Precambrian period
Endoderm
A sex linked recessive disease
Cuticle
8. The preservation of the integrity of genetic information from one generation to another.
Sudden appearance and disappearance of fossil species
pH of Water
An enzyme
Genetic maintenance
9. Studied the relationships between traits expressed in parents and offspring and the genes that caused the traits to be expressed.
Plasmodesmata
Ectoderm tissue
Paleozoic era
Gregor Medel
10. Occurs when two populations are geographically isolated from each other. Over time this results in the production of two separate species.
Internodal tissue
pH of Water
The cuticle
Allopatric speciation
11. Is the outermost layer of cells of the stem.
Epidermal tissue
Ectoderm
Common elements found in proteins
Lysis
12. The total amount of genetic information available for a given species.
The cell membrane
A lysosome
Genome
Catabolism
13. Layer that will become the gut lining as well as some accessory structures.
Endoderm
Destroy most enzymes
Gymnosperms
Scurvy
14. Are the monomers that form nucleic acids - containing a sugar - phosphate group - and a nitrogenous base.
Will increase the reaction rate
Cerebellum
Nucleotides
Photolysis is a reaction of photosynthesis where
15. Has extreme cold temperatures - low precipitation - modified grassland - perma-frost - a short growing season and some plants and animals.
Tundra
Circadian rhythms
North America
Enzymes catalyze reactions
16. Refers to the birthrate of a population.
A species role in the food chain is part of its
Forebrain
Natality
Hemophilia
17. Provide rigidity to plant cells (and some bacteria) and are not found within animal cells.
Ionic bonds involve
pH of Water
Phyla
Cell walls
18. 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.
Biogeochemical cycles
Bronchi
Common elements found in proteins
An enzyme
19. Is a protein - which is a polymer of amino acids. They generally have the suffix -ase- like lactase.
Porifera
A catalyst
An enzyme
Cenozoic era
20. Approximately 7 - making it neither basic (under 7) nor alkaline (over 7).
pH of Water
Ecological niches open up
Adenine
The products of the Krebs cycle
21. 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.
Habituation
Nucleotides
Gene Migration
Arthropoda
22. Produce adrenaline. This hormone is a well-known constrictor of blood vessels.
Cytosine
The adrenal glands
Imprinting
Mesozoic era
23. Occurs when an individual learns not to respond to a particular stimulus - for instance when a stimulus is repeated many times without consequence.
A mutation
Xylem tissue
Habituation
Cuticle
24. Where protein synthesis occurs. They float unattached in the cytoplasm. They contain RNA that is specific to their function in protein formation.
Early hominids...
Nematoda
The pancreas
Free ribosomes
25. Is found in the root cap and is responsible for quick growth in the roots.
Habituation
pathogenic
Allopatric speciation
Meristem tissue
26. Is a phylum that contains jellyfish - hydra - etc.
Chlorophyll has the ability to
Niche
Morula
Cnidaria
27. Develops from the morula as a thin layer of cells surrounding an internal cavity.
Blastula
Morula
A gene is
Catabolism
28. The part of the earth that contains all living things - including the atmosphere (air) - the lithosphere (earth) - and the hydrosphere (water).
Mature sporophyte
Biosphere
The key limiting factor on cell size
Plasmodesmata
29. The physical place where a particular organism lives. It must include all the factors that will support its life and reproduction.
B Cells
Carrying capacity
Habitat
Germ layers
30. Are organic cofactors or coenzymes that are required by some enzymatic reactions.
Carbon
Gametogenesis
The evolution leading to Homo Sapiens...
Vitamins
31. Are cells involved in immunity and are produced in bone marrow as stem cells.
Lymphocytes
Carrying capacity
Imprinting
Phosphorous
32. It secretes saliva which enters the digestive tract and aids the digestive process.
The salivary gland
Catabolism
Attraction of atoms of different polarity
Aggregate fruit
33. 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.
Filtered by the liver
Chlorophyll
Free ribosomes
The hormone aldosterone
34. Are surrounded by capillaries that allow for carbon dioxide to diffuse into the lungs and oxygen to diffuse out.
A sex linked recessive disease
A prosthetic group
Alveoli
Aganatha
35. Enzymes are usually __________ to certain reactions.
Germ layers
Carrying capacity
Very specific
Hemophilia
36. Are the organelles where cellular respiration occurs.
Mature sporophyte
Mitochondria
Blastula
Cell walls
37. 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.
Chromosome
Anabolsim
The primary role of DNA in the cell
The Cambrian Period
38. Are where the sugars synthesized by photosynthesis travel through to various parts of the plant.
The theory of punctuated equilibrium
pathogenic
Ectoderm
Vascular bundles
39. A reaction that adds water to another compound. (2 hydrogens - 1 oxygen).
Silicon
Hydrolysis
Kingdom Plantae
An enzyme
40. The phyla of round worms.
Nematoda
Mitochondria
The community
Sudden appearance and disappearance of fossil species
41. Is very rare and is not absorbed by plant leaves. Phosphorous is nearly always found in solid form.
DNA produces particular genetic traits through
T Cells
Phosphorous gas
Savanna
42. 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.
Chordata
B Cells
Kingdom Protista
The theory of punctuated equilibrium
43. Consists of undifferentiated cells capable of quick growth and specialization. It is responsible for elongation of the stem.
The theory of punctuated equilibrium
Saprophytic
Meristem tissue
A species role in the food chain is part of its
44. Proposes that those individuals within a population that are most adapted to the environment are also the most likely individuals to produce viable offspring.
Differential reproduction
The salivary gland
Nematoda
Lysosomes
45. Is the outermost of the three main layers of an embryo.
The products of the Krebs cycle
Ectoderm tissue
Cerebrum
A sudden change in the amount of extracellular fluid will be corrected by events following the release of substances from this organ.
46. The class composed of birds.
Mitochondria
Phyla
Aves
Prosthetic groups
47. Some enzymes contain a __________ component that is essential to their functions.
Simple fruits
parasitic
Population
Non-protein
48. 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.
Catabolism
The Cell Theory
Genetic maintenance
The cuticle
49. 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.
The habitat of an organism includes
Catabolism
Photolysis is a reaction of photosynthesis where
Mesozoic era
50. Protein synthesis
An enzyme
DNA produces particular genetic traits through
The Hardy-Weinberg Law of Equilibrium
Sudden appearance and disappearance of fossil species