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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. An opportunistic life strategy strategy. Lichens invading a bare rock area after a volcanic eruption is an example.
R-selection
Characteristics of water valuable to living organisms
The nucleus
Imprinting
2. Allows for the genetic code to be preserved in future generations of cells.
DNA replication
Catabolism
Anabolism
Endoderm
3. Contains organisms that are multicellular eukaryotes including molds and mushrooms.
Destroy most enzymes
Circadian rhythms
Imprinting
Kingdom Fungi
4. Stood upright before there was an increase in brain size.
Early hominids...
Filtered by the liver
Catabolism
Endocytic vesicles
5. 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
Will increase the reaction rate
Kingdom Animalia
Biosphere
Allopatric speciation
6. Engages in both passive and active transport.
Larynx
Pharynx
Interphase
The cell membrane (plasma membrane)
7. Mitochondria - they constitute the center of cellular respiration.
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8. Becomes available for erosion as undersea sedimentary rocks are up-thrust by volcanic activity - erosion releases it from rocks into streams where it combines with oxygen to form phosphates in lakes that are then absorbed by plants - it is recycled t
Chlorophyll
Pharynx
Phosphorous
The Nitrogen cycle
9. Mass extinctions promote diversification because _______________ - making conditions favorable for the establishment of new - diverse species.
The cell membrane (plasma membrane)
The habitat of an organism includes
DNA produces particular genetic traits through
Ecological niches open up
10. A sex-linked recessive disorder carried on the x chromosome in which an individual cannot perceive certain colors.
The pituitary gland
Phototropism
Catabolism
Color blindness
11. Where protein synthesis occurs. They float unattached in the cytoplasm. They contain RNA that is specific to their function in protein formation.
About five million years ago...
DNA produces particular genetic traits through
Free ribosomes
Cerebellum
12. 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.
Meristem tissue
A catalyst
The Cell Theory
The habitat of an organism includes
13. 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
Cuticle
Meristem tissue
Restriction enzymes
14. Carbon - nitrogen - phosphorous - and water. These are all recycled through biogeochemical processes.
Aganatha
Desert
Recycled environmental factors
The Cambrian Period
15. Energy transformations that occur as chemicals are broken down or synthesized within the cell.
Cellular Metabolism
Non-protein
Anabolism
Genetic screening
16. Is an abundant element found in protoplasm. Together with oxygen - hydrogen - and nitrogen - it composes over 90% of cellular structure.
Trachea
Carbon
Biosphere
Natality
17. Is disorganized - unravelled - DNA with histones attached.
Chromatin
Ecological niches open up
Genetic maintenance
The products of the Krebs cycle
18. The pharynx is between the nasal passage and the trachea. Air passes into the body via the nasal passage - then passes through the pharynx and on to the trachea.
Habitat
Cnidaria
Through nitrogen fixing bacteria and lighting
Pharynx
19. Are more closely related to Homo Sapiens than to other apes - but Homo Sapiens did not evolve from chimpanzees.
The key limiting factor on cell size
Adenine
Plasmodesmata
Chimpanzees
20. 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
Endocytic vesicles
Gene Migration
Will increase the reaction rate
A mutation
21. The preservation of the integrity of genetic information from one generation to another.
Trachea
Spiracles
Tundra
Genetic maintenance
22. 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.
North America
The primary role of DNA in the cell
Larynx
Alveoli
23. Covers and protects the leaf.
Early hominids...
Natality
Cuticle
Internodal tissue
24. Fruits that develop from a single ripened ovary (apple - olive - acorn - cucumber).
The nucleus
Differential reproduction
Lactose
Simple fruits
25. High temperatures
Cytosine
Destroy most enzymes
Enzymes catalyze reactions
Kingdom Fungi
26. Is a kingdom that includes algae and protozoa.
Habituation
The Cambrian Period
Protista
The primary role of DNA in the cell
27. Proposes that those individuals within a population that are most adapted to the environment are also the most likely individuals to produce viable offspring.
Early hominids...
Ribonucleic acid
Mitochondria
Differential reproduction
28. Contains many genes and is a structure comprised of linear DNA and associated proteins.
Ecotone
Precambrian period
Chromosome
A species role in the food chain is part of its
29. What phylum are snakes in?
Cerebellum
Porifera
Chordata
North America
30. 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.
A gene is
Germ layers
pH of Water
Precambrian period
31. Process of breaking down complex materials (foods) to form simpler substances and release energy.
Aves
Catabolism
Characteristics of water valuable to living organisms
Phloem tissue
32. Is found on the stem between nodes.
Filtered by the liver
Desert
Habitat
Internodal tissue
33. Are surrounded by capillaries that allow for carbon dioxide to diffuse into the lungs and oxygen to diffuse out.
Nematoda
DNA replication
Alveoli
Precambrian period
34. Are the monomers that form nucleic acids - containing a sugar - phosphate group - and a nitrogenous base.
Nucleotides
Recycled environmental factors
Gnathostomata
Lymphocytes
35. Channels is cell membranes that carry water between cells.
The primary role of DNA in the cell
Savanna
Plasmodesmata
The hormone aldosterone
36. Is a compound fruit that forms from several ovaries of separate flowers that fuse together during ripening (strawberry - or pineapple).
The pancreas
C ---OH
Prothallus
Multiple fruit
37. Sex-linked recessive disorder carried on the x chromosome defined by the absence of one or more proteins required for blood clotting
Hemophilia
Trachea
Angiosperms
Common elements found in proteins
38. Contains optic lobes - controls sight.
Gymnosperms
Midbrain
The nucleus
Kingdom Animalia
39. Ended with the extinction of the dinosaurs.
Mesozoic era
Free ribosomes
Mature sporophyte
Attraction of atoms of different polarity
40. The number of organisms in a given community - can be above or below the carrying capacity.
Vitamins
Epidermal tissue
Will increase the reaction rate
Population
41. Plants and animals obtain usable nitrogen
Gymnosperms
Through nitrogen fixing bacteria and lighting
pH of Water
Fixed Action Pattern (FAP)
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.
Aganatha
Sudden appearance and disappearance of fossil species
Nucleotides
Early hominids...
43. Layer that will become the skin - some endocrine glands - and the nervous system.
DNA produces particular genetic traits through
Ectoderm
Enzymes catalyze reactions
Very specific
44. 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.
Stem tissues
Allopatric speciation
Isotonic Conditions
Early hominids...
45. Has extreme cold temperatures - low precipitation - modified grassland - perma-frost - a short growing season and some plants and animals.
Enzymes catalyze reactions
Arthropoda
Did not evolve together
Tundra
46. Covalent bonds
Balance
Share electrons
The cell membrane (plasma membrane)
Angiosperms
47. Is a phylum that contains sponges.
The Nitrogen cycle
The evolution leading to Homo Sapiens...
The key limiting factor on cell size
Porifera
48. The bronchi lead to the two lungs where they branch out in all directions into smaller tubules known as bronchioles.
Bronchi
parasitic
Kingdom Protista
Aves
49. Include: Vascular tissue - including both xylem and phloem - and sieve plates existing between cells of the stem.
Lysosomes
Stem tissues
Adenine
Centrioles
50. Is a compound fruit that develops from many ovaries of a single flower fusing together (raspberry).
Gregor Medel
Gymnosperms
Aggregate fruit
Cytosine