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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 disorganized - unravelled - DNA with histones attached.
Precambrian period
Chromatin
Nucleotides
A gene is
2. May be ions or non-protein molecules - they are similar to cofactors - but differ in that they are tightly attached by covalent bonds to the enzyme - rather than being separate atoms or molecules.
Centrioles
Arthropoda
The pituitary gland
Prosthetic groups
3. 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
Mesozoic era
The adrenal glands
Photolysis is a reaction of photosynthesis where
4. Plants and animals obtain usable nitrogen
An enzyme
Kingdom Plantae
Isotonic Conditions
Through nitrogen fixing bacteria and lighting
5. Contain one celled eukaryotes such as algae and protozoa.
Electron Transfer System (ETS)
Kingdom Protista
Ecotone
About five million years ago...
6. Where protein synthesis occurs. They float unattached in the cytoplasm. They contain RNA that is specific to their function in protein formation.
The community
Free ribosomes
Recycled environmental factors
Vascular bundles make up the
7. An opportunistic life strategy strategy. Lichens invading a bare rock area after a volcanic eruption is an example.
R-selection
Arthropoda
Niche
Porifera
8. The class composed of birds.
Cnidaria
Will increase the reaction rate
Aves
The pituitary gland
9. Niche
So it can be used over and over again.
A mutation
Free ribosomes
A species role in the food chain is part of its
10. Has loosely packed cells that allow for gas and moisture exchange.
Parenchyma tissue
Imprinting
Arthropoda
Cenozoic era
11. Super-class of vertebrae including organisms with no jaws.
Chromatin
Photolysis is a reaction of photosynthesis where
Aganatha
Mature sporophyte
12. Is found on the stem between nodes.
The Cambrian Period
B Cells
Xylem tissue
Internodal tissue
13. Anabolism
Vitamins
The synthesis of ATP molecules to store energy is an example of
Genetic screening
The primary role of DNA in the cell
14. The process of forming eggs and sperm cells in the reproductive organs.
Common elements found in proteins
A mutation
The cell's 'powerhouses'
Gametogenesis
15. Are the monomers that form nucleic acids - containing a sugar - phosphate group - and a nitrogenous base.
Porifera
Pharynx
Nucleotides
The Hardy-Weinberg Law of Equilibrium
16. Contain organisms that are multicellular eukaryotes including vertebrates and invertebrates.
Kingdom Animalia
The pituitary gland
Trachea
Filtered by the liver
17. Is a compound fruit that forms from several ovaries of separate flowers that fuse together during ripening (strawberry - or pineapple).
The Cambrian Period
Multiple fruit
Ectoderm
Filtered by the liver
18. Energy transformations that occur as chemicals are broken down or synthesized within the cell.
Vitamins
Cellular Metabolism
Blastula
The nucleus
19. Controls hunger and thirst
Filtered by the liver
Porifera
Hypothalamus
Isotonic Conditions
20. The most recent and present era. It includes the radiation of flowering plants - the angiosperms.
Recycled environmental factors
Gymnosperms
Cenozoic era
Vitamin C
21. Covalent bonds
So it can be used over and over again.
North America
Sudden appearance and disappearance of fossil species
Share electrons
22. Contains many genes and is a structure comprised of linear DNA and associated proteins.
Aves
Isotonic Conditions
Chromosome
Aganatha
23. Is the organelle where cellular reproductive processes occur.
The nucleus
Hemophilia
Paleozoic era
Vitamins
24. Covers and protects the leaf.
Chromosome
Phototropism
Cuticle
Sudden appearance and disappearance of fossil species
25. 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.
Imprinting
Early hominids...
A hydrogen bond
The key limiting factor on cell size
26. All store energy within their chemical bonds.
Cellulose - starch - lipid - and sugar molecules
Kingdom Protista
Hydrolysis
The nucleus
27. Controls olfactory lobes (smell)
Forebrain
The theory of punctuated equilibrium
Protista
Porifera
28. Are produced when water passes through the cell membrane by osmosis from an area of higher concentration to an area of lower concentration - to equalize water concentration.
Imprinting
Isotonic Conditions
Paleozoic era
Trachea
29. Controls balance and muscle coordination
Meristem tissue
Cellular Metabolism
Cell walls
Cerebellum
30. 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.
Vitamin C
Enzymes catalyze reactions
Stomach secretions
Ecological niches open up
31. The physical place where a particular organism lives. It must include all the factors that will support its life and reproduction.
Habitat
Stomach secretions
Genetic screening
Biogeochemical cycles
32. The part of the earth that contains all living things - including the atmosphere (air) - the lithosphere (earth) - and the hydrosphere (water).
Gregor Medel
Biosphere
T Cells
Germ layers
33. Occurs when an individual learns not to respond to a particular stimulus - for instance when a stimulus is repeated many times without consequence.
A hydrogen bond
Habituation
Vitamins
Cenozoic era
34. Super-class of vertebrae including organisms with jaws.
Early hominids...
Gnathostomata
Isotonic Conditions
Larynx
35. 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.
Gymnosperms
Alveoli
Stomach secretions
Trachea
36. What phylum are snakes in?
Forebrain
The Cambrian Period
The Hardy-Weinberg Law of Equilibrium
Chordata
37. 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.
Ectoderm
Sudden appearance and disappearance of fossil species
Isotonic Conditions
Hemophilia
38. 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
Carrying capacity
Vitamin C
Fixed Action Pattern (FAP)
Kingdom Plantae
39. Is a molecule that stores information for protein synthesis and genetic coding.
Filtered by the liver
Aves
pH of Water
Ribonucleic acid
40. Is a special protein that acts as a catalyst for organic reactions.
Blastula
Meristem tissue
Epidermal tissue
An enzyme
41. Is very rare and is not absorbed by plant leaves. Phosphorous is nearly always found in solid form.
Phosphorous gas
Meristem tissue
R-selection
Internodal tissue
42. Develops from the morula as a thin layer of cells surrounding an internal cavity.
Cnidaria
The Cambrian Period
Blastula
Aves
43. When the water concentration inside and outside the cell is equal - It is said to be in an...
Will increase the reaction rate
Gymnosperms
Enzymes catalyze reactions
Iisotonic state
44. The phyla of sponges.
Morula
The pancreas
Porifera
Early hominids...
45. The phyla of round worms.
Non-protein
Nematoda
Hydrolysis
Simple fruits
46. Provide rigidity to plant cells (and some bacteria) and are not found within animal cells.
Internodal tissue
Precambrian period
Population
Cell walls
47. Some enzymes contain a __________ component that is essential to their functions.
Non-protein
DNA replication
Endocytic vesicles
Bryophytes
48. 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.
C ---OH
Successful reproduction
Restriction enzymes
Vitamin C
49. A cell will only remain stable if the surface area of the plasma membrane maintains a __________ with the volume of the cytoplasm.
Non-protein
Balance
Aggregate fruit
Recycled environmental factors
50. An enzyme is unaffected by the reactions it catalyzes
Cerebellum
Savanna
So it can be used over and over again.
Catabolism