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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. Bacteria break ammonia into nitrites - then into nitrates that are usable by plants; volcanic activity produces ammonia and nitrates that enter the soil and can be absorbed by plants; lightning reacts with atmospheric nitrogen to form nitrates that a
The Nitrogen cycle
Aves
Cytosine
parasitic
2. Carbon - Hydrogen - Oxygen - and Nitrogen
Common elements found in proteins
The primary role of DNA in the cell
Cerebellum
pH of Water
3. 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
Chimpanzees
Aganatha
An enzyme
Will increase the reaction rate
4. Provide rigidity to plant cells (and some bacteria) and are not found within animal cells.
A prosthetic group
C ---OH
A hydrogen bond
Cell walls
5. Is found on the stem between nodes.
Internodal tissue
Centrioles
The cell's 'powerhouses'
The key limiting factor on cell size
6. Covers and protects the leaf.
Cuticle
Trachea
Gymnosperms
Forebrain
7. Is weaker than ionic - covalent - disulfide - or double bonds.
Pharynx
The evolution leading to Homo Sapiens...
A hydrogen bond
Fixed Action Pattern (FAP)
8. 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.
Prosthetic groups
Chimpanzees
The theory of punctuated equilibrium
Saprophytic
9. Is very rare and is not absorbed by plant leaves. Phosphorous is nearly always found in solid form.
Phosphorous gas
Isotonic Conditions
Aves
Ribonucleic acid
10. Transfers water and does not require sieve plates to allow nutrients through.
Xylem tissue
Porifera
Blastula
Genetic screening
11. Fruits that develop from a single ripened ovary (apple - olive - acorn - cucumber).
Fixed Action Pattern (FAP)
Internodal tissue
Simple fruits
Cenozoic era
12. Include: Vascular tissue - including both xylem and phloem - and sieve plates existing between cells of the stem.
Share electrons
Attraction of atoms of different polarity
Recycled environmental factors
Stem tissues
13. Absorb a photon of light and is found in the grana of the chloroplast.
Imprinting
T Cells
Chlorophyll has the ability to
Cellular Metabolism
14. Is when expression of genetic traits is determined by weather the trait is inherited from the mother or the father.
Genetic imprinting
Lysosomes
Filtered by the liver
The key limiting factor on cell size
15. Secretes insulin to lower blood sugar and maintain equilibrium. A person eats three candy bars. Within minutes this endocrine gland affects blood-glucose homeostasis.
Cenozoic era
The cell's 'powerhouses'
Phototropism
The pancreas
16. Is the sugar that lactase acts upon.
Bryophytes
Meristem tissue
The habitat of an organism includes
Lactose
17. Is a compound fruit that forms from several ovaries of separate flowers that fuse together during ripening (strawberry - or pineapple).
Multiple fruit
Phototropism
Anabolism
parasitic
18. Are cells involved in immunity and are produced in bone marrow as stem cells.
Phosphorous gas
Cell walls
Lymphocytes
Porifera
19. In both living and non-living environments.
Protista
Attraction of atoms of different polarity
An inhibitor
Enzymes catalyze reactions
20. 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.
DNA replication
Germ layers
Altruism
Precambrian period
21. Contain organisms that are multicellular eukaryotes including vertebrates and invertebrates.
Kingdom Animalia
Carbon
Plasmodesmata
C ---OH
22. The large brain and upright posture of Homo Sapiens...
An inhibitor
Filtered by the liver
A lysosome
Did not evolve together
23. 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.
Characteristics of water valuable to living organisms
Chlorophyll
Kingdom Fungi
Precambrian period
24. A cell will only remain stable if the surface area of the plasma membrane maintains a __________ with the volume of the cytoplasm.
Porifera
The key limiting factor on cell size
Allopatric speciation
Balance
25. 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
Pharynx
Fixed Action Pattern (FAP)
Prosthetic groups
Larynx
26. Is the major component of sand and is the most abundant element found in the lithosphere. It is not recycled.
Bryophytes
Silicon
Phototropism
Endoderm
27. Is an ion that binds to an enzyme making it more able to catalyze a reaction.
The adrenal glands
A prosthetic group
Kingdom Protista
Cuticle
28. The class composed of birds.
Aves
Photolysis is a reaction of photosynthesis where
The biosphere
Circadian rhythms
29. This is a carboxyl group and is the signature group found within organic acids.
C ---OH
A lysosome
The biosphere
Blastula
30. The lineage that led to the modern Homo Sapiens diverged from the lineage that led to the modern chimpanzee.
The pituitary gland
Epidermal tissue
About five million years ago...
The community
31. Biotic (living) factors such as population and food source - and abiotic (non-living) factors such as weather - temperature - soil features - sunlight).
The habitat of an organism includes
Phloem tissue
Enzymes catalyze reactions
The evolution leading to Homo Sapiens...
32. Mass extinctions promote diversification because _______________ - making conditions favorable for the establishment of new - diverse species.
Cnidaria
The Cambrian Period
Color blindness
Ecological niches open up
33. Stood upright before there was an increase in brain size.
Chlorophyll has the ability to
Tundra
Early hominids...
The adrenal glands
34. Is a protein - which is a polymer of amino acids. They generally have the suffix -ase- like lactase.
Enzymes catalyze reactions
Imprinting
An enzyme
Plasmodesmata
35. Produce seeds without flowers. They include conifers (cone-bearers) and cycads.
Gymnosperms
Genome
The nucleus
Silicon
36. 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.
Non-protein
Allopatric speciation
Gnathostomata
Gene Migration
37. Energy transformations that occur as chemicals are broken down or synthesized within the cell.
Recycled environmental factors
Circadian rhythms
Cellular Metabolism
Hydrolysis
38. Is a molecule that stores information for protein synthesis and genetic coding.
Ribonucleic acid
Natality
Saprophytic
Meristem tissue
39. Contains optic lobes - controls sight.
Trachea
Midbrain
Common elements found in proteins
Mature sporophyte
40. The transfer of electrons.
Trachea
Ionic bonds involve
Vitamin C
Chromosome
41. 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.
Stomach secretions
Successful reproduction
Protista
Mitochondria
42. Contains multicellular photosynthetic eukaryotic organisms including gymnosperms and angiosperms.
The Cambrian Period
Kingdom Plantae
The pituitary gland
Natality
43. Transparency - polarity - high specific heat - and density (lower density when solid than when liquid.).
Isotonic Conditions
Sudden appearance and disappearance of fossil species
The primary role of DNA in the cell
Characteristics of water valuable to living organisms
44. Are easily converted to ATP - but the main energy products of the Krebs cycle liberate electrons then used in the electron transfer reactions.
Lymphocytes
Chromatin
Plasmodesmata
The products of the Krebs cycle
45. Controls balance and muscle coordination
Genetic maintenance
Cerebellum
Germ layers
Attraction of atoms of different polarity
46. Is composed of an anterior and posterior lobe. The stalk of the lobe is connected to the hypothalamus. Antidiuretic Hormone (AH) is produced in the hypothalamus and stored in the posterior pituitary. Upon nervous stimulation from the hypothalamus - t
The pituitary gland
Attraction of atoms of different polarity
Bryophytes
Free ribosomes
47. 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.
The nucleus
Porifera
An enzyme
Imprinting
48. Covalent bonds
Share electrons
Lysosomes
Filtered by the liver
An inhibitor
49. Some patrol the blood for antigens - but are also equipped to destroy antigens. They may regulate immune responses as well.
A species role in the food chain is part of its
T Cells
Chromatin
A catalyst
50. The phyla of sponges.
Cellulose - starch - lipid - and sugar molecules
Cellular Metabolism
Porifera
Morula