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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 a kind of plain characterized by a warm climate - grassland - and seasonally dry climate conditions.
Larynx
Savanna
The primary role of DNA in the cell
The pancreas
2. The number of organisms in a given community - can be above or below the carrying capacity.
Aggregate fruit
Gene Migration
Genome
Population
3. The phyla of round worms.
Savanna
Biogeochemical cycles
Nematoda
Nucleotides
4. Between the endoderm and ectoderm - layer that will eventually form the muscles - and organs of the skeletal - circulatory - respiratory - reproductive - and excretory systems.
Interphase
Habituation
Carbon
Mesoderm
5. 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.
Isotonic Conditions
Bryophytes
Alveoli
The pancreas
6. The process of forming eggs and sperm cells in the reproductive organs.
Porifera
Gametogenesis
Enzymes catalyze reactions
Color blindness
7. 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
Cerebellum
Porifera
Destroy most enzymes
The Nitrogen cycle
8. Mitochondria - they constitute the center of cellular respiration.
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9. Plants and animals obtain usable nitrogen
Porifera
Kingdom Plantae
Kingdom Fungi
Through nitrogen fixing bacteria and lighting
10. There was extensive radiation of fish during the Devonian and Silurian periods within the Paleozoic Era.
Natality
The Cambrian Period
Silicon
Paleozoic era
11. An opportunistic life strategy strategy. Lichens invading a bare rock area after a volcanic eruption is an example.
Share electrons
Internodal tissue
R-selection
Chordata
12. High temperatures
The key limiting factor on cell size
As energy is transferred through trophic levels
Imprinting
Destroy most enzymes
13. Is the number of organisms that can be supported within a particular ecosystem.
Savanna
Nucleotides
Carrying capacity
Phyla
14. Are surrounded by capillaries that allow for carbon dioxide to diffuse into the lungs and oxygen to diffuse out.
Alveoli
Kingdom Plantae
The cell membrane
parasitic
15. Is the waxy protective outer coating of leaves.
Hypothalamus
The cuticle
Vitamin C
Gnathostomata
16. Studied the relationships between traits expressed in parents and offspring and the genes that caused the traits to be expressed.
Gregor Medel
The cuticle
The Cambrian Period
Electron Transfer System (ETS)
17. Contain organisms that are multicellular eukaryotes including vertebrates and invertebrates.
Early hominids...
Fixed Action Pattern (FAP)
Chlorophyll
Kingdom Animalia
18. Provide rigidity to plant cells (and some bacteria) and are not found within animal cells.
Chromatin
Simple fruits
pathogenic
Cell walls
19. 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.
Characteristics of water valuable to living organisms
Germ layers
Nematoda
Chromatin
20. Is the sugar that lactase acts upon.
Lactose
Phosphorous
Internodal tissue
Genetic screening
21. Protein synthesis
Ectoderm
An inhibitor
DNA produces particular genetic traits through
Mesozoic era
22. The phylum of insects (bees).
Endoderm
Will increase the reaction rate
Arthropoda
Fixed Action Pattern (FAP)
23. Some patrol the blood for antigens - but are also equipped to destroy antigens. They may regulate immune responses as well.
Gregor Medel
Cerebrum
About five million years ago...
T Cells
24. Is a social behavior of an organism that is beneficial to the group at the individual's expense.
pH of Water
Midbrain
Altruism
Natality
25. Is a special protein that acts as a catalyst for organic reactions.
Catabolism
An enzyme
DNA produces particular genetic traits through
Aves
26. 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.
Color blindness
Chlorophyll has the ability to
Trachea
Photolysis is a reaction of photosynthesis where
27. Is the outermost of the three main layers of an embryo.
Anabolsim
Phyla
Ectoderm tissue
Early hominids...
28. The phyla composed of segmented worms.
Plasmodesmata
Germ layers
Annelida
Hypothalamus
29. Controls hunger and thirst
Lactose
Hypothalamus
Very specific
Allopatric speciation
30. Occurs when an individual learns not to respond to a particular stimulus - for instance when a stimulus is repeated many times without consequence.
Cellulose - starch - lipid - and sugar molecules
Habituation
Chromosome
Simple fruits
31. 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.
Bryophytes
The cell membrane
Sudden appearance and disappearance of fossil species
Epidermal tissue
32. Are the organelles where cellular respiration occurs.
The habitat of an organism includes
A catalyst
Mitochondria
Alveoli
33. 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.
The primary role of DNA in the cell
Ectoderm tissue
Biosphere
Centrioles
34. Sex-linked recessive disorder carried on the x chromosome defined by the absence of one or more proteins required for blood clotting
Lymphocytes
Hemophilia
Iisotonic state
A sudden change in the amount of extracellular fluid will be corrected by events following the release of substances from this organ.
35. 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.
A mutation
The community
Will increase the reaction rate
A hydrogen bond
36. Synthesis
Mesozoic era
Morula
Anabolism
Population
37. In DNA Guanine pairs with...
A species role in the food chain is part of its
Stomach secretions
Chimpanzees
Cytosine
38. Is found in the root cap and is responsible for quick growth in the roots.
Iisotonic state
Aggregate fruit
Very specific
Meristem tissue
39. Is a protein - which is a polymer of amino acids. They generally have the suffix -ase- like lactase.
Chromosome
C ---OH
An enzyme
Plasmodesmata
40. Is the process that releases energy for use by the cell.
Annelida
A catalyst
Cellular Respiration
Lysosomes
41. Engages in both passive and active transport.
Chromatin
Cenozoic era
Ectoderm tissue
The cell membrane (plasma membrane)
42. Is very rare and is not absorbed by plant leaves. Phosphorous is nearly always found in solid form.
The pancreas
Pi
Phosphorous gas
Epidermal tissue
43. The size of a cell is limited by the ratio of its surface area to volume.
Lactose
The key limiting factor on cell size
Attraction of atoms of different polarity
Interphase
44. The vocal cords are found in the larynx.
Savanna
Will increase the reaction rate
T Cells
Larynx
45. Proposes that those individuals within a population that are most adapted to the environment are also the most likely individuals to produce viable offspring.
An inhibitor
Differential reproduction
Phosphorous gas
Sudden appearance and disappearance of fossil species
46. It secretes saliva which enters the digestive tract and aids the digestive process.
Savanna
Carbon
The salivary gland
Silicon
47. Produce seeds without flowers. They include conifers (cone-bearers) and cycads.
Hydrolysis
The cell membrane
A sex linked recessive disease
Gymnosperms
48. 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
Color blindness
Cell walls
Ecotone
49. Develops from the morula as a thin layer of cells surrounding an internal cavity.
Gene Migration
Carrying capacity
Blastula
A mutation
50. Contain one celled eukaryotes such as algae and protozoa.
pathogenic
Kingdom Protista
Cuticle
Alveoli