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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 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
The habitat of an organism includes
Catabolism
Endocytic vesicles
2. 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.
B Cells
Niche
Photolysis is a reaction of photosynthesis where
Silicon
3. Is the process that releases energy for use by the cell.
Successful reproduction
R-selection
Cellular Respiration
A mutation
4. Contains multicellular photosynthetic eukaryotic organisms including gymnosperms and angiosperms.
The theory of punctuated equilibrium
Ribonucleic acid
Genome
Kingdom Plantae
5. The number of organisms in a given community - can be above or below the carrying capacity.
Population
The primary role of DNA in the cell
Phototropism
Non-protein
6. Is comprised of all the organisms that interact within a given ecosystem whether or not it is at carrying capacity.
The Hardy-Weinberg Law of Equilibrium
The biosphere
The community
A mutation
7. Refers to the birthrate of a population.
Tundra
Forebrain
Natality
Free ribosomes
8. The destruction of gametes - (sex cells such as sperm and eggs).
Prothallus
Destroy most enzymes
Biogeochemical cycles
Gametocide
9. Contain one celled eukaryotes such as algae and protozoa.
Population
Ectoderm
Kingdom Protista
Ectoderm tissue
10. The phyla of round worms.
Kingdom Animalia
Ionic bonds involve
Nematoda
Aggregate fruit
11. Veins in the leaf and are also distributed throughout the stem
The theory of punctuated equilibrium
A species role in the food chain is part of its
Vascular bundles make up the
The cell membrane
12. Produce adrenaline. This hormone is a well-known constrictor of blood vessels.
Xylem tissue
Stomach secretions
The adrenal glands
Cnidaria
13. Contains organisms that are multicellular eukaryotes including molds and mushrooms.
Cuticle
Kingdom Fungi
Characteristics of water valuable to living organisms
Chlorophyll has the ability to
14. Includes all living and nonliving components of the Earth to support living things.
The biosphere
As energy is transferred through trophic levels
DNA produces particular genetic traits through
The evolution leading to Homo Sapiens...
15. Allows for the genetic code to be preserved in future generations of cells.
Angiosperms
DNA replication
Kingdom Fungi
Characteristics of water valuable to living organisms
16. Are more closely related to Homo Sapiens than to other apes - but Homo Sapiens did not evolve from chimpanzees.
The cell membrane
About five million years ago...
Chimpanzees
Carrying capacity
17. Controls sensory and motor responses - and controls memory - speech - and intelligence factors.
Iisotonic state
The evolution leading to Homo Sapiens...
Cerebrum
Filtered by the liver
18. 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
Saprophytic
Angiosperms
Will increase the reaction rate
Savanna
19. Transfers water and does not require sieve plates to allow nutrients through.
Xylem tissue
Recycled environmental factors
Lysis
Silicon
20. Niche
A species role in the food chain is part of its
Mature sporophyte
The community
The adrenal glands
21. Is the outermost of the three main layers of an embryo.
Anabolism
Gametocide
Iisotonic state
Ectoderm tissue
22. Are cells involved in immunity and are produced in bone marrow as stem cells.
Lymphocytes
The primary role of DNA in the cell
A sudden change in the amount of extracellular fluid will be corrected by events following the release of substances from this organ.
Population
23. The size of a cell is limited by the ratio of its surface area to volume.
The key limiting factor on cell size
The Cell Theory
Filtered by the liver
C ---OH
24. Is a special protein that acts as a catalyst for organic reactions.
Early hominids...
Non-protein
An enzyme
The primary role of DNA in the cell
25. Is a phylum that contains jellyfish - hydra - etc.
Germ layers
Cytosine
The primary role of DNA in the cell
Cnidaria
26. Are surrounded by capillaries that allow for carbon dioxide to diffuse into the lungs and oxygen to diffuse out.
Blastula
Prothallus
The products of the Krebs cycle
Alveoli
27. This is a carboxyl group and is the signature group found within organic acids.
C ---OH
Enzymes catalyze reactions
Tundra
Hemophilia
28. Channels is cell membranes that carry water between cells.
Stomach secretions
Plasmodesmata
The cuticle
Fixed Action Pattern (FAP)
29. Contains many genes and is a structure comprised of linear DNA and associated proteins.
Chromosome
A prosthetic group
Cnidaria
An enzyme
30. Carbon - Hydrogen - Oxygen - and Nitrogen
pathogenic
Lactose
Pi
Common elements found in proteins
31. Process in which elements - chemical compounds - and other forms of matter are passed from one organism to another and from one part of the biosphere to another.
Biogeochemical cycles
The pituitary gland
Endocytic vesicles
A gene is
32. Ended with the extinction of the dinosaurs.
Mesozoic era
Genetic imprinting
Spiracles
Biogeochemical cycles
33. Is found in the root cap and is responsible for quick growth in the roots.
Ecological niches open up
The nucleus
The Hardy-Weinberg Law of Equilibrium
Meristem tissue
34. Is weaker than ionic - covalent - disulfide - or double bonds.
Angiosperms
Altruism
Cellulose - starch - lipid - and sugar molecules
A hydrogen bond
35. Is the major component of sand and is the most abundant element found in the lithosphere. It is not recycled.
Isotonic Conditions
Enzymes catalyze reactions
Mesoderm
Silicon
36. 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.
Prosthetic groups
An inhibitor
Habituation
Cuticle
37. Most fossils of Hominids are from continents other than...
Filtered by the liver
North America
Protista
Phosphorous gas
38. Has loosely packed cells that allow for gas and moisture exchange.
Genetic imprinting
Non-protein
Parenchyma tissue
The pancreas
39. Include: Vascular tissue - including both xylem and phloem - and sieve plates existing between cells of the stem.
Gametocide
Protista
Stem tissues
Cellular Respiration
40. Nonvascular plants such as mosses which lack tissue for conducting food or water.
Larynx
Bryophytes
Savanna
Plasmodesmata
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.
The cell membrane (plasma membrane)
Mature sporophyte
A gene is
Successful reproduction
42. The part of the earth that contains all living things - including the atmosphere (air) - the lithosphere (earth) - and the hydrosphere (water).
Cerebellum
Biosphere
Very specific
A gene is
43. Consists of undifferentiated cells capable of quick growth and specialization. It is responsible for elongation of the stem.
Cerebellum
Mature sporophyte
Meristem tissue
Common elements found in proteins
44. Disease causing
pathogenic
Stomach secretions
Through nitrogen fixing bacteria and lighting
Chromosome
45. Are the organelles where cellular respiration occurs.
Cellulose - starch - lipid - and sugar molecules
Mitochondria
Isotonic Conditions
Alveoli
46. It secretes saliva which enters the digestive tract and aids the digestive process.
Lactose
Mature sporophyte
The Cambrian Period
The salivary gland
47. Occurs when two populations are geographically isolated from each other. Over time this results in the production of two separate species.
Photolysis is a reaction of photosynthesis where
Allopatric speciation
Chlorophyll
The salivary gland
48. 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
B Cells
The Nitrogen cycle
Cerebellum
The pituitary gland
49. Must be present for photosynthesis to occur - it is not used up in the process.
A mutation
Morula
Silicon
Chlorophyll
50. 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.
The Cell Theory
Hydrolysis
Common elements found in proteins
Meristem tissue