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. 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
Ecotone
The Nitrogen cycle
Genetic maintenance
So it can be used over and over again.
2. Is weaker than ionic - covalent - disulfide - or double bonds.
Phloem tissue
The biosphere
Free ribosomes
A hydrogen bond
3. 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.
Hydrolysis
The biosphere
Meristem tissue
Filtered by the liver
4. Is the sugar that lactase acts upon.
pathogenic
Electron Transfer System (ETS)
Ectoderm
Lactose
5. The role played by an organism in its food chain.
Mesoderm
Simple fruits
Niche
Anabolism
6. Ended with the extinction of the dinosaurs.
Mesozoic era
The evolution leading to Homo Sapiens...
T Cells
Anabolism
7. Channels is cell membranes that carry water between cells.
Parenchyma tissue
Plasmodesmata
A sex linked recessive disease
Cellular Respiration
8. Produces the most ATP molecules - yielding 34 ATPs per glucose molecule.
Electron Transfer System (ETS)
Share electrons
Genetic screening
Mesoderm
9. Occurs when two populations are geographically isolated from each other. Over time this results in the production of two separate species.
Kingdom Plantae
Allopatric speciation
Adenine
An enzyme
10. Are organic cofactors or coenzymes that are required by some enzymatic reactions.
Fixed Action Pattern (FAP)
Cerebellum
Vitamins
Differential reproduction
11. Covers and protects the leaf.
Morula
Carrying capacity
Saprophytic
Cuticle
12. Algae and Protozoa belong to the kingdom...
Protista
The theory of punctuated equilibrium
Endocytic vesicles
Vitamins
13. Transfers water and does not require sieve plates to allow nutrients through.
Characteristics of water valuable to living organisms
Recycled environmental factors
Xylem tissue
Habituation
14. The large brain and upright posture of Homo Sapiens...
Did not evolve together
The key limiting factor on cell size
Attraction of atoms of different polarity
Stomach secretions
15. Nonvascular plants such as mosses which lack tissue for conducting food or water.
Bryophytes
Cellular Metabolism
Vascular bundles make up the
Phloem tissue
16. 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.
Color blindness
Imprinting
Gametocide
The primary role of DNA in the cell
17. Some enzymes contain a __________ component that is essential to their functions.
Morula
Non-protein
Recycled environmental factors
Hemophilia
18. The size of a cell is limited by the ratio of its surface area to volume.
The key limiting factor on cell size
Plasmodesmata
Enzymes catalyze reactions
Ionic bonds involve
19. Some energy is lost as heat and becomes unusable.
The biosphere
Protista
As energy is transferred through trophic levels
The community
20. Sex-linked recessive disorder carried on the x chromosome defined by the absence of one or more proteins required for blood clotting
Electron Transfer System (ETS)
Balance
Hemophilia
The cell membrane (plasma membrane)
21. Small - green - heart-shaped gametophyte plant form of a fern that can make its own food and absorb water and nutrients from the soil
Internodal tissue
Prothallus
pH of Water
Phyla
22. When stems bend toward the light it is due to _____________ the hormone auxin - in response to light - migrates from the light to the dark side of the shoot tip. The cells on the dark side now contain more auxin - which causes the cells on that side
The Cell Theory
Midbrain
Phototropism
Habitat
23. The systematic search for individuals with a specific genotype in a delineated population.
Genetic screening
The biosphere
The salivary gland
The products of the Krebs cycle
24. 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
Kingdom Animalia
Genetic screening
A lysosome
25. Has loosely packed cells that allow for gas and moisture exchange.
Aves
Epidermal tissue
R-selection
Parenchyma tissue
26. Layer that will become the skin - some endocrine glands - and the nervous system.
The cell's 'powerhouses'
Destroy most enzymes
The Cell Theory
Ectoderm
27. Stood upright before there was an increase in brain size.
Will increase the reaction rate
Ecotone
Catabolism
Early hominids...
28. The part of the earth that contains all living things - including the atmosphere (air) - the lithosphere (earth) - and the hydrosphere (water).
Genetic screening
Allopatric speciation
The primary role of DNA in the cell
Biosphere
29. The transfer of electrons.
Ionic bonds involve
Mature sporophyte
Porifera
Common elements found in proteins
30. High temperatures
Destroy most enzymes
The synthesis of ATP molecules to store energy is an example of
Mesoderm
Morula
31. Where protein synthesis occurs. They float unattached in the cytoplasm. They contain RNA that is specific to their function in protein formation.
Free ribosomes
Vitamins
Natality
The synthesis of ATP molecules to store energy is an example of
32. Contains multicellular photosynthetic eukaryotic organisms including gymnosperms and angiosperms.
Trachea
Sudden appearance and disappearance of fossil species
North America
Kingdom Plantae
33. Is a substance that changes the speed of a reaction without being affected itself.
Successful reproduction
Did not evolve together
A catalyst
Morula
34. Studied the relationships between traits expressed in parents and offspring and the genes that caused the traits to be expressed.
Mature sporophyte
The Cambrian Period
Cell walls
Gregor Medel
35. Respiratory organs within insects
Spiracles
Phosphorous gas
Characteristics of water valuable to living organisms
Ribonucleic acid
36. When the water concentration inside and outside the cell is equal - It is said to be in an...
Desert
Iisotonic state
The theory of punctuated equilibrium
parasitic
37. Is when expression of genetic traits is determined by weather the trait is inherited from the mother or the father.
Genetic imprinting
An inhibitor
Centrioles
Aganatha
38. Niche
Mitochondria
Vitamin C
A species role in the food chain is part of its
Ecological niches open up
39. Between the endoderm and ectoderm - layer that will eventually form the muscles - and organs of the skeletal - circulatory - respiratory - reproductive - and excretory systems.
Mesoderm
The biosphere
Nematoda
Lysis
40. Is made of stacked cells connected by sieve plates that allow nutrients to pass from cell to cell. They transport food made in the leaves (by photosynthesis) to the rest of the plant).
Anabolism
Altruism
Enzymes catalyze reactions
Phloem tissue
41. The lineage that led to the modern Homo Sapiens diverged from the lineage that led to the modern chimpanzee.
Filtered by the liver
Spiracles
About five million years ago...
Carrying capacity
42. An enzyme is unaffected by the reactions it catalyzes
Vascular bundles make up the
So it can be used over and over again.
parasitic
Chromosome
43. Allows for the genetic code to be preserved in future generations of cells.
DNA replication
B Cells
About five million years ago...
A hydrogen bond
44. Biotic (living) factors such as population and food source - and abiotic (non-living) factors such as weather - temperature - soil features - sunlight).
Scurvy
The habitat of an organism includes
Fixed Action Pattern (FAP)
A catalyst
45. Controls balance and muscle coordination
The nucleus
Cerebellum
Saprophytic
Cellular Metabolism
46. 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.
Photolysis is a reaction of photosynthesis where
Genome
Precambrian period
The adrenal glands
47. 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.
Photolysis is a reaction of photosynthesis where
The Nitrogen cycle
Meristem tissue
Scurvy
48. Is a molecule that stores information for protein synthesis and genetic coding.
Aves
Ribonucleic acid
parasitic
Stem tissues
49. Is the process that releases energy for use by the cell.
Habitat
Meristem tissue
Xylem tissue
Cellular Respiration
50. Has extreme cold temperatures - low precipitation - modified grassland - perma-frost - a short growing season and some plants and animals.
Tundra
Lymphocytes
The evolution leading to Homo Sapiens...
Porifera
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