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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. Secretes insulin to lower blood sugar and maintain equilibrium. A person eats three candy bars. Within minutes this endocrine gland affects blood-glucose homeostasis.
Habituation
The biosphere
The community
The pancreas
2. Must be present for photosynthesis to occur - it is not used up in the process.
Genetic screening
Ecological niches open up
Chlorophyll
Anabolism
3. This is a carboxyl group and is the signature group found within organic acids.
C ---OH
Alveoli
Ecological niches open up
Photolysis is a reaction of photosynthesis where
4. Is a substance that changes the speed of a reaction without being affected itself.
A catalyst
Ecotone
Kingdom Animalia
Fixed Action Pattern (FAP)
5. Includes all living and nonliving components of the Earth to support living things.
The biosphere
Cenozoic era
Mesozoic era
Scurvy
6. Produce seeds without flowers. They include conifers (cone-bearers) and cycads.
Nematoda
Gymnosperms
Ectoderm
Centrioles
7. 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.
Prosthetic groups
Germ layers
Plasmodesmata
A sex linked recessive disease
8. In DNA Guanine pairs with...
Mesoderm
Cytosine
A sex linked recessive disease
Ecological niches open up
9. The number of organisms in a given community - can be above or below the carrying capacity.
Bronchi
Allopatric speciation
Population
The pituitary gland
10. 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.
Did not evolve together
Parenchyma tissue
The primary role of DNA in the cell
Centrioles
11. Energy transformations that occur as chemicals are broken down or synthesized within the cell.
Cellular Metabolism
A sex linked recessive disease
DNA replication
Cellular Respiration
12. High temperatures
The nucleus
Chromosome
pH of Water
Destroy most enzymes
13. Is an accidental change of the DNA sequence of the gene that can result in creating a change of trait that is not found in the parent.
Catabolism
A mutation
Prosthetic groups
The Nitrogen cycle
14. The individual we recognize as an adult fern.
Mature sporophyte
The pituitary gland
A hydrogen bond
Meristem tissue
15. Ended with the extinction of the dinosaurs.
Ectoderm
Mesozoic era
Cuticle
Mature sporophyte
16. Synthesis
Desert
Early hominids...
Anabolism
Mesoderm
17. 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
parasitic
DNA produces particular genetic traits through
Gnathostomata
18. Is when expression of genetic traits is determined by weather the trait is inherited from the mother or the father.
The adrenal glands
Genetic imprinting
Stem tissues
Prothallus
19. The systematic search for individuals with a specific genotype in a delineated population.
Genetic screening
Electron Transfer System (ETS)
Biosphere
Mature sporophyte
20. What phylum are snakes in?
Chordata
A gene is
Cell walls
Kingdom Protista
21. The bronchi lead to the two lungs where they branch out in all directions into smaller tubules known as bronchioles.
Bronchi
Filtered by the liver
A sex linked recessive disease
Ecological niches open up
22. Is the number of organisms that can be supported within a particular ecosystem.
Biosphere
Ectoderm
Epidermal tissue
Carrying capacity
23. The process of forming eggs and sperm cells in the reproductive organs.
Epidermal tissue
Gametogenesis
Cerebrum
Filtered by the liver
24. Contains organisms that are multicellular eukaryotes including molds and mushrooms.
The cell membrane (plasma membrane)
Catabolism
Kingdom Fungi
Prothallus
25. Veins in the leaf and are also distributed throughout the stem
Chromatin
Porifera
The Nitrogen cycle
Vascular bundles make up the
26. Some enzymes contain a __________ component that is essential to their functions.
Non-protein
The biosphere
Genetic maintenance
The Hardy-Weinberg Law of Equilibrium
27. Controls hunger and thirst
Hypothalamus
Hydrolysis
Kingdom Protista
Balance
28. Covers and protects the leaf.
Cuticle
The pituitary gland
Allopatric speciation
Anabolism
29. Is the waxy protective outer coating of leaves.
Carbon
The Cell Theory
The cuticle
Chromatin
30. 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
Ectoderm tissue
The cuticle
The cell membrane (plasma membrane)
Endocytic vesicles
31. The effect of a substrate concentration on the initial reaction rate in the presence of a limited amount of enzyme: _________________ as the concentration of substrate is increased until all the enzymes are used - then the reaction rate will level of
Sudden appearance and disappearance of fossil species
R-selection
Will increase the reaction rate
The pancreas
32. The vocal cords are found in the larynx.
Imprinting
Larynx
The Nitrogen cycle
Scurvy
33. Is a behavior that is learned during a critical point (often very early) in an individual's life. Imprinting enables the young the recognize members of their own species.
Meristem tissue
Gene Migration
Imprinting
T Cells
34. 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.
A sudden change in the amount of extracellular fluid will be corrected by events following the release of substances from this organ.
Restriction enzymes
Successful reproduction
Niche
35. Contains the chromosomes and is the site of reproduction through mitosis and meiosis.
The theory of punctuated equilibrium
R-selection
The nucleus
Angiosperms
36. Studied the relationships between traits expressed in parents and offspring and the genes that caused the traits to be expressed.
Gregor Medel
Successful reproduction
Genome
Phosphorous
37. Is a packet of digestive enzymes that destroy cellular wastes.
Bronchi
Prothallus
Cellular Metabolism
A lysosome
38. Inorganic phosphate
Pi
Share electrons
The cell membrane (plasma membrane)
Kingdom Fungi
39. Mitochondria - they constitute the center of cellular respiration.
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40. The part of the earth that contains all living things - including the atmosphere (air) - the lithosphere (earth) - and the hydrosphere (water).
So it can be used over and over again.
Interphase
Nucleotides
Biosphere
41. The role played by an organism in its food chain.
Niche
Prothallus
Lysosomes
Centrioles
42. Super-class of vertebrae including organisms with no jaws.
Protista
Catabolism
Genome
Aganatha
43. Contain organisms that are multicellular eukaryotes including vertebrates and invertebrates.
Biogeochemical cycles
Kingdom Animalia
About five million years ago...
Hemophilia
44. Decomposition of living matter for consumption.
Non-protein
parasitic
Gregor Medel
Share electrons
45. Is a compound fruit that develops from many ovaries of a single flower fusing together (raspberry).
Aggregate fruit
Annelida
Gnathostomata
Ecotone
46. 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.
Genome
The pancreas
Differential reproduction
The cell membrane
47. Is comprised of all the organisms that interact within a given ecosystem whether or not it is at carrying capacity.
Cellular Respiration
Hemophilia
Biogeochemical cycles
The community
48. Contains optic lobes - controls sight.
Ectoderm
Midbrain
Porifera
A hydrogen bond
49. Fruits that develop from a single ripened ovary (apple - olive - acorn - cucumber).
Mitochondria
Internodal tissue
Simple fruits
Ecological niches open up
50. 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
Kingdom Animalia
Chromosome
Phototropism
Enzymes catalyze reactions