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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. When the water concentration inside and outside the cell is equal - It is said to be in an...
Kingdom Fungi
Iisotonic state
Fixed Action Pattern (FAP)
Vitamins
2. This is a carboxyl group and is the signature group found within organic acids.
C ---OH
DNA produces particular genetic traits through
The salivary gland
Precambrian period
3. Disease causing
Angiosperms
Ionic bonds involve
The cell's 'powerhouses'
pathogenic
4. Is when expression of genetic traits is determined by weather the trait is inherited from the mother or the father.
Genetic imprinting
Vitamins
The habitat of an organism includes
pH of Water
5. Is the sugar that lactase acts upon.
Germ layers
Lactose
Meristem tissue
Chlorophyll has the ability to
6. Carbon - Hydrogen - Oxygen - and Nitrogen
Common elements found in proteins
Pi
Imprinting
Chromosome
7. Is a packet of digestive enzymes that destroy cellular wastes.
Cnidaria
Characteristics of water valuable to living organisms
A lysosome
A prosthetic group
8. Develops from the morula as a thin layer of cells surrounding an internal cavity.
Arthropoda
Blastula
Silicon
Imprinting
9. Is a social behavior of an organism that is beneficial to the group at the individual's expense.
Altruism
The pancreas
Phototropism
Mitochondria
10. 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.
pH of Water
Filtered by the liver
A mutation
Share electrons
11. Contains optic lobes - controls sight.
Cerebrum
Cell walls
Porifera
Midbrain
12. Where protein synthesis occurs. They float unattached in the cytoplasm. They contain RNA that is specific to their function in protein formation.
Free ribosomes
Paleozoic era
Lymphocytes
Nematoda
13. Some patrol the blood for antigens - but are also equipped to destroy antigens. They may regulate immune responses as well.
T Cells
Did not evolve together
Arthropoda
Hypothalamus
14. Occurs when two populations are geographically isolated from each other. Over time this results in the production of two separate species.
The key limiting factor on cell size
A species role in the food chain is part of its
Allopatric speciation
The Nitrogen cycle
15. Produces the most ATP molecules - yielding 34 ATPs per glucose molecule.
Electron Transfer System (ETS)
The hormone aldosterone
Altruism
Mitochondria
16. All store energy within their chemical bonds.
An enzyme
Bronchi
Cellulose - starch - lipid - and sugar molecules
Kingdom Fungi
17. Are the organelles where cellular respiration occurs.
Gymnosperms
Ectoderm tissue
C ---OH
Mitochondria
18. The phylum of insects (bees).
Arthropoda
A gene is
Kingdom Protista
Circadian rhythms
19. 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
Tundra
Isotonic Conditions
Arthropoda
20. 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.
Hemophilia
Annelida
The theory of punctuated equilibrium
The primary role of DNA in the cell
21. 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
Ionic bonds involve
Phosphorous
Cenozoic era
Phototropism
22. Is secreted by the adrenal cortex to promote sodium reabsorption in the kidney.
A species role in the food chain is part of its
The hormone aldosterone
Catabolism
Attraction of atoms of different polarity
23. Controls sensory and motor responses - and controls memory - speech - and intelligence factors.
Ectoderm tissue
Plasmodesmata
Cerebrum
Mitochondria
24. Is more like branching out of a tree with dead ends and new branches appearing simultaneously than like steps on a ladder.
The evolution leading to Homo Sapiens...
The nucleus
An enzyme
The adrenal glands
25. An opportunistic life strategy strategy. Lichens invading a bare rock area after a volcanic eruption is an example.
Population
Vascular bundles make up the
R-selection
Anabolism
26. 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.
The cell membrane
DNA replication
Spiracles
pH of Water
27. Transparency - polarity - high specific heat - and density (lower density when solid than when liquid.).
The pancreas
Sudden appearance and disappearance of fossil species
Imprinting
Characteristics of water valuable to living organisms
28. 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.
Nematoda
Trachea
So it can be used over and over again.
Vascular bundles
29. It secretes saliva which enters the digestive tract and aids the digestive process.
Pi
The salivary gland
Ecological niches open up
Circadian rhythms
30. Algae and Protozoa belong to the kingdom...
Common elements found in proteins
A catalyst
Mitochondria
Protista
31. Is a kingdom that includes algae and protozoa.
Savanna
Phyla
Protista
Balance
32. Decomposition of living matter for consumption.
parasitic
The community
pH of Water
The pituitary gland
33. In both living and non-living environments.
A mutation
Free ribosomes
Enzymes catalyze reactions
Sudden appearance and disappearance of fossil species
34. The number of organisms in a given community - can be above or below the carrying capacity.
Ecological niches open up
Population
Saprophytic
Desert
35. Is the number of organisms that can be supported within a particular ecosystem.
Destroy most enzymes
B Cells
Carrying capacity
The pituitary gland
36. Provide rigidity to plant cells (and some bacteria) and are not found within animal cells.
North America
About five million years ago...
Photolysis is a reaction of photosynthesis where
Cell walls
37. Studied the relationships between traits expressed in parents and offspring and the genes that caused the traits to be expressed.
The Nitrogen cycle
Interphase
Gregor Medel
The hormone aldosterone
38. Contains many genes and is a structure comprised of linear DNA and associated proteins.
Chordata
Isotonic Conditions
Chromosome
Catabolism
39. Is made of stacked cells connected by sieve plates that allow nutrients to pass from cell to cell. They transport food made in the leaves (by photosynthesis) to the rest of the plant).
Kingdom Animalia
Sudden appearance and disappearance of fossil species
Phloem tissue
Chlorophyll has the ability to
40. Controls olfactory lobes (smell)
North America
Stem tissues
Forebrain
Saprophytic
41. Is an ion that binds to an enzyme making it more able to catalyze a reaction.
Differential reproduction
A prosthetic group
Restriction enzymes
Allopatric speciation
42. 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.
Mature sporophyte
Porifera
Sudden appearance and disappearance of fossil species
T Cells
43. Is the process that releases energy for use by the cell.
The habitat of an organism includes
Cell walls
Cellular Respiration
Porifera
44. Is weaker than ionic - covalent - disulfide - or double bonds.
Annelida
Catabolism
The nucleus
A hydrogen bond
45. A cell will only remain stable if the surface area of the plasma membrane maintains a __________ with the volume of the cytoplasm.
Catabolism
Balance
Allopatric speciation
A lysosome
46. 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
Mesoderm
Genetic imprinting
Meristem tissue
47. Transfers water and does not require sieve plates to allow nutrients through.
The Nitrogen cycle
Hydrolysis
Xylem tissue
Differential reproduction
48. Are tubes constructed of a geometrical arrangement of microtubules in a pinwheel shape. Their function includes the formation of new microtubules - but is primarily to form the structural skeleton around which cells split during mitosis and meiosis.
Centrioles
Cellular Respiration
Very specific
Cell walls
49. 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.
Genetic imprinting
Free ribosomes
Prosthetic groups
Cnidaria
50. A reaction that adds water to another compound. (2 hydrogens - 1 oxygen).
Hydrolysis
C ---OH
Cenozoic era
The Hardy-Weinberg Law of Equilibrium
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