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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. Energy transformations that occur as chemicals are broken down or synthesized within the cell.
Cellular Metabolism
C ---OH
Altruism
An enzyme
2. When the water concentration inside and outside the cell is equal - It is said to be in an...
Lysis
About five million years ago...
B Cells
Iisotonic state
3. Include: Vascular tissue - including both xylem and phloem - and sieve plates existing between cells of the stem.
The community
Simple fruits
Bryophytes
Stem tissues
4. Covers and protects the leaf.
Lysis
Cell walls
Pi
Cuticle
5. Are organic cofactors or coenzymes that are required by some enzymatic reactions.
Isotonic Conditions
Vitamins
Meristem tissue
Did not evolve together
6. Enzymes are usually __________ to certain reactions.
Altruism
Genetic maintenance
Very specific
Gene Migration
7. Contains multicellular photosynthetic eukaryotic organisms including gymnosperms and angiosperms.
Kingdom Plantae
Biogeochemical cycles
Through nitrogen fixing bacteria and lighting
The theory of punctuated equilibrium
8. 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.
The hormone aldosterone
Fixed Action Pattern (FAP)
pathogenic
Germ layers
9. Is very rare and is not absorbed by plant leaves. Phosphorous is nearly always found in solid form.
Phosphorous gas
The salivary gland
Habitat
Porifera
10. Absorb a photon of light and is found in the grana of the chloroplast.
Niche
Adenine
The habitat of an organism includes
Chlorophyll has the ability to
11. 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.
Did not evolve together
Cell walls
Mesozoic era
Filtered by the liver
12. The systematic search for individuals with a specific genotype in a delineated population.
The key limiting factor on cell size
Endocytic vesicles
Genetic screening
T Cells
13. Respiratory organs within insects
Spiracles
Multiple fruit
Phototropism
Nucleotides
14. 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.
North America
Allopatric speciation
Aves
Pharynx
15. Digestive enzymes - hydrochloric acid - and gastric juices which aid in digestion. The mucous secreted by the stomach protects the stomach lining from the acids and juices.
Stomach secretions
Ectoderm tissue
Ectoderm
Parenchyma tissue
16. 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.
Share electrons
Photolysis is a reaction of photosynthesis where
Epidermal tissue
Niche
17. A suffix meaning 'to break apart.' O || ||
Lysis
The primary role of DNA in the cell
Habitat
DNA replication
18. All store energy within their chemical bonds.
Cellulose - starch - lipid - and sugar molecules
The Hardy-Weinberg Law of Equilibrium
A sudden change in the amount of extracellular fluid will be corrected by events following the release of substances from this organ.
Prothallus
19. 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
Gametocide
Niche
Will increase the reaction rate
Bryophytes
20. Controls sensory and motor responses - and controls memory - speech - and intelligence factors.
Hypothalamus
DNA replication
Cerebrum
Phototropism
21. This is a carboxyl group and is the signature group found within organic acids.
The salivary gland
C ---OH
Germ layers
The hormone aldosterone
22. The part of the earth that contains all living things - including the atmosphere (air) - the lithosphere (earth) - and the hydrosphere (water).
An enzyme
Biosphere
So it can be used over and over again.
Plasmodesmata
23. Are the monomers that form nucleic acids - containing a sugar - phosphate group - and a nitrogenous base.
Phosphorous gas
Electron Transfer System (ETS)
Catabolism
Nucleotides
24. Super-class of vertebrae including organisms with jaws.
Enzymes catalyze reactions
Bryophytes
Gnathostomata
An enzyme
25. 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.
Gregor Medel
Sudden appearance and disappearance of fossil species
Xylem tissue
Early hominids...
26. Refers to the birthrate of a population.
So it can be used over and over again.
Natality
Cellular Respiration
The cuticle
27. The process of forming eggs and sperm cells in the reproductive organs.
pathogenic
Share electrons
Gametogenesis
An enzyme
28. Anabolism
Plasmodesmata
A species role in the food chain is part of its
Chordata
The synthesis of ATP molecules to store energy is an example of
29. Contains the chromosomes and is the site of reproduction through mitosis and meiosis.
Endoderm
The nucleus
Ectoderm tissue
Ecotone
30. Carbon - nitrogen - phosphorous - and water. These are all recycled through biogeochemical processes.
Nematoda
Recycled environmental factors
Gametocide
Epidermal tissue
31. Some patrol the blood for antigens - but are also equipped to destroy antigens. They may regulate immune responses as well.
Cenozoic era
T Cells
Will increase the reaction rate
Phototropism
32. The individual we recognize as an adult fern.
Cellular Respiration
Mature sporophyte
Common elements found in proteins
Cellular Metabolism
33. The total amount of genetic information available for a given species.
Mitochondria
Genome
Lymphocytes
Photolysis is a reaction of photosynthesis where
34. Covalent bonds
Biogeochemical cycles
Catabolism
Share electrons
Restriction enzymes
35. In both living and non-living environments.
Ecological niches open up
Hemophilia
Enzymes catalyze reactions
Mitochondria
36. 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
Attraction of atoms of different polarity
Ribonucleic acid
Larynx
37. Proposes that those individuals within a population that are most adapted to the environment are also the most likely individuals to produce viable offspring.
As energy is transferred through trophic levels
Differential reproduction
Aganatha
T Cells
38. 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
Carbon
Phosphorous
Share electrons
Interphase
39. The transfer of electrons.
Chimpanzees
parasitic
The theory of punctuated equilibrium
Ionic bonds involve
40. An orienting response to light.
Stem tissues
The theory of punctuated equilibrium
Silicon
Phototropism
41. States that where random mating is occurring within a population that is in equilibrium with its environment - the gene frequencies and genotype ratios will remain constant from generation to generation. It is a mathematical formula that shows why re
The Hardy-Weinberg Law of Equilibrium
The Cell Theory
Anabolsim
Germ layers
42. Stood upright before there was an increase in brain size.
Bronchi
Early hominids...
Interphase
Cytosine
43. Has loosely packed cells that allow for gas and moisture exchange.
Parenchyma tissue
An enzyme
Protista
The cell membrane
44. 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.
Cell walls
Xylem tissue
Successful reproduction
T Cells
45. Studied the relationships between traits expressed in parents and offspring and the genes that caused the traits to be expressed.
Gregor Medel
Sudden appearance and disappearance of fossil species
Lactose
Nucleotides
46. The class composed of birds.
Gametogenesis
Nucleotides
Aves
Ecotone
47. (of some plants or fungi) feeding on dead or decaying organic matter
Through nitrogen fixing bacteria and lighting
Saprophytic
Forebrain
Stomach secretions
48. Where protein synthesis occurs. They float unattached in the cytoplasm. They contain RNA that is specific to their function in protein formation.
Forebrain
A prosthetic group
Free ribosomes
The Cambrian Period
49. Synthesis
Anabolism
Genetic screening
Lymphocytes
A catalyst
50. 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.
Endocytic vesicles
The primary role of DNA in the cell
Catabolism
Precambrian period