SUBJECTS
|
BROWSE
|
CAREER CENTER
|
POPULAR
|
JOIN
|
LOGIN
Business Skills
|
Soft Skills
|
Basic Literacy
|
Certifications
About
|
Help
|
Privacy
|
Terms
|
Email
Search
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. The solid mass of cells resulting from the cleavage of the ovum before the formation of a blastula.
Mitochondria
Hemophilia
Morula
Stomach secretions
2. The transfer of electrons.
Ionic bonds involve
Kingdom Protista
Pi
Bronchi
3. 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.
An enzyme
Lysosomes
A mutation
Stomach secretions
4. This is a carboxyl group and is the signature group found within organic acids.
C ---OH
Vitamins
Xylem tissue
Ectoderm
5. Is the number of organisms that can be supported within a particular ecosystem.
Electron Transfer System (ETS)
Carrying capacity
Bronchi
Lymphocytes
6. In both living and non-living environments.
Anabolsim
Phosphorous gas
Enzymes catalyze reactions
Germ layers
7. Studied the relationships between traits expressed in parents and offspring and the genes that caused the traits to be expressed.
Cerebrum
Gregor Medel
Filtered by the liver
Cellular Metabolism
8. Is found in the root cap and is responsible for quick growth in the roots.
The community
Genome
Meristem tissue
Natality
9. Veins in the leaf and are also distributed throughout the stem
Vascular bundles make up the
The habitat of an organism includes
Nucleotides
The nucleus
10. 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
Arthropoda
Free ribosomes
Endocytic vesicles
Vitamin C
11. Fruits that develop from a single ripened ovary (apple - olive - acorn - cucumber).
Simple fruits
Chromosome
Cytosine
Morula
12. 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.
Did not evolve together
Sudden appearance and disappearance of fossil species
Imprinting
Lymphocytes
13. An opportunistic life strategy strategy. Lichens invading a bare rock area after a volcanic eruption is an example.
Phyla
R-selection
T Cells
Will increase the reaction rate
14. Is a special protein that acts as a catalyst for organic reactions.
An enzyme
Color blindness
Paleozoic era
A lysosome
15. Sex-linked recessive disorder carried on the x chromosome defined by the absence of one or more proteins required for blood clotting
B Cells
Hemophilia
Gymnosperms
A prosthetic group
16. Niche
A species role in the food chain is part of its
Differential reproduction
Habitat
Color blindness
17. Internally generated patterns of body functions - including hormonal signals - sleep - blood pressure - and temperature regulation - which have approximately a 24-hour cycle and occur even in the absence of normal cues about whether it is day or nigh
Circadian rhythms
Pharynx
Cellulose - starch - lipid - and sugar molecules
Morula
18. Subsets below the kingdom level
pH of Water
Phyla
Cellular Respiration
Mesozoic era
19. Is a disease caused by lack of vitamin C in which the body is unable to build enough collagen (a major component of connective tissue).
Forebrain
Bronchi
Scurvy
Ionic bonds involve
20. Covalent bonds
Kingdom Animalia
North America
pH of Water
Share electrons
21. 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
Stomach secretions
Non-protein
Isotonic Conditions
The Hardy-Weinberg Law of Equilibrium
22. A reaction that adds water to another compound. (2 hydrogens - 1 oxygen).
Hydrolysis
Mitochondria
Arthropoda
Anabolism
23. An orienting response to light.
Cytosine
Tundra
Phototropism
Paleozoic era
24. Layer that will become the gut lining as well as some accessory structures.
Endoderm
Arthropoda
T Cells
A sudden change in the amount of extracellular fluid will be corrected by events following the release of substances from this organ.
25. The phyla composed of segmented worms.
Annelida
R-selection
Phosphorous
Circadian rhythms
26. Mass extinctions promote diversification because _______________ - making conditions favorable for the establishment of new - diverse species.
Iisotonic state
Epidermal tissue
Ecological niches open up
Paleozoic era
27. Are organic cofactors or coenzymes that are required by some enzymatic reactions.
Vitamins
Chordata
R-selection
Ecotone
28. 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
Attraction of atoms of different polarity
The Nitrogen cycle
B Cells
Simple fruits
29. 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.
Multiple fruit
Prosthetic groups
Protista
A prosthetic group
30. Plants that produce flowers as reproductive organs. They have two divisions - monocots and dicots.
Interphase
Xylem tissue
Genome
Angiosperms
31. Contain organisms that are multicellular eukaryotes including vertebrates and invertebrates.
Restriction enzymes
As energy is transferred through trophic levels
Differential reproduction
Kingdom Animalia
32. 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.
Population
Habituation
The cell membrane
Circadian rhythms
33. The destruction of gametes - (sex cells such as sperm and eggs).
Gametocide
Ectoderm tissue
The evolution leading to Homo Sapiens...
Chordata
34. 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
Ionic bonds involve
pathogenic
Stem tissues
35. Disease causing
Enzymes catalyze reactions
The cuticle
pathogenic
Forebrain
36. In DNA Thymine pairs with...
Chlorophyll has the ability to
Nucleotides
Adenine
A sex linked recessive disease
37. Process of breaking down complex materials (foods) to form simpler substances and release energy.
Chlorophyll has the ability to
Catabolism
Vascular bundles make up the
Pharynx
38. Is the major component of sand and is the most abundant element found in the lithosphere. It is not recycled.
Silicon
Aves
Paleozoic era
Bronchi
39. Enzymes are usually __________ to certain reactions.
Porifera
Very specific
Hemophilia
Vitamin C
40. Occurs when an individual from an adjacent population of the same species immigrates and breeds with a member of a previously locally isolated group - resulting in a change in the gene pool.
So it can be used over and over again.
Gene Migration
Phyla
The Cambrian Period
41. Is the organelle where cellular reproductive processes occur.
Enzymes catalyze reactions
An enzyme
The cell's 'powerhouses'
The nucleus
42. A type of innate behavior (instinct.) The FAP is a preprogrammed response to a particular stimulus (known as a releaser stimulus). FAP's include courtship behaviors and feeding of young. These are not learned behaviors - they are automatically perfor
Differential reproduction
Fixed Action Pattern (FAP)
Natality
Precambrian period
43. 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
Characteristics of water valuable to living organisms
Larynx
Stem tissues
44. Include: Vascular tissue - including both xylem and phloem - and sieve plates existing between cells of the stem.
Mitochondria
Germ layers
Stem tissues
Lactose
45. 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
Trachea
Bronchi
Chromosome
46. 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.
Cellular Metabolism
The theory of punctuated equilibrium
The pituitary gland
Hydrolysis
47. Consists of undifferentiated cells capable of quick growth and specialization. It is responsible for elongation of the stem.
The evolution leading to Homo Sapiens...
Meristem tissue
Internodal tissue
Ecotone
48. Some energy is lost as heat and becomes unusable.
Prosthetic groups
Carrying capacity
Destroy most enzymes
As energy is transferred through trophic levels
49. Has loosely packed cells that allow for gas and moisture exchange.
Isotonic Conditions
The key limiting factor on cell size
Parenchyma tissue
Gymnosperms
50. 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.
A species role in the food chain is part of its
Chordata
Successful reproduction
A lysosome
Sorry!:) No result found.
Can you answer 50 questions in 15 minutes?
Let me suggest you:
Browse all subjects
Browse all tests
Most popular tests
Major Subjects
Tests & Exams
AP
CLEP
DSST
GRE
SAT
GMAT
Certifications
CISSP go to https://www.isc2.org/
PMP
ITIL
RHCE
MCTS
More...
IT Skills
Android Programming
Data Modeling
Objective C Programming
Basic Python Programming
Adobe Illustrator
More...
Business Skills
Advertising Techniques
Business Accounting Basics
Business Strategy
Human Resource Management
Marketing Basics
More...
Soft Skills
Body Language
People Skills
Public Speaking
Persuasion
Job Hunting And Resumes
More...
Vocabulary
GRE Vocab
SAT Vocab
TOEFL Essential Vocab
Basic English Words For All
Global Words You Should Know
Business English
More...
Languages
AP German Vocab
AP Latin Vocab
SAT Subject Test: French
Italian Survival
Norwegian Survival
More...
Engineering
Audio Engineering
Computer Science Engineering
Aerospace Engineering
Chemical Engineering
Structural Engineering
More...
Health Sciences
Basic Nursing Skills
Health Science Language Fundamentals
Veterinary Technology Medical Language
Cardiology
Clinical Surgery
More...
English
Grammar Fundamentals
Literary And Rhetorical Vocab
Elements Of Style Vocab
Introduction To English Major
Complete Advanced Sentences
Literature
Homonyms
More...
Math
Algebra Formulas
Basic Arithmetic: Measurements
Metric Conversions
Geometric Properties
Important Math Facts
Number Sense Vocab
Business Math
More...
Other Major Subjects
Science
Economics
History
Law
Performing-arts
Cooking
Logic & Reasoning
Trivia
Browse all subjects
Browse all tests
Most popular tests