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. 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.
The hormone aldosterone
A mutation
The evolution leading to Homo Sapiens...
Successful reproduction
2. The phylum of insects (bees).
Arthropoda
parasitic
Desert
The cell membrane (plasma membrane)
3. 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.
Ribonucleic acid
Kingdom Plantae
Chlorophyll has the ability to
Precambrian period
4. 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.
Cell walls
Tundra
The hormone aldosterone
Sudden appearance and disappearance of fossil species
5. Carbon - Hydrogen - Oxygen - and Nitrogen
Common elements found in proteins
Electron Transfer System (ETS)
Cenozoic era
Non-protein
6. Is found in the root cap and is responsible for quick growth in the roots.
Meristem tissue
Natality
Silicon
The cuticle
7. Controls sensory and motor responses - and controls memory - speech - and intelligence factors.
A lysosome
Larynx
Chromatin
Cerebrum
8. Studied the relationships between traits expressed in parents and offspring and the genes that caused the traits to be expressed.
Lysosomes
Chlorophyll
B Cells
Gregor Medel
9. Has loosely packed cells that allow for gas and moisture exchange.
Desert
Will increase the reaction rate
Parenchyma tissue
Ectoderm
10. A suffix meaning 'to break apart.' O || ||
The key limiting factor on cell size
Interphase
Lysis
Genetic screening
11. Breaking down
Catabolism
Forebrain
Precambrian period
Altruism
12. An enzyme is unaffected by the reactions it catalyzes
So it can be used over and over again.
Annelida
Stem tissues
Iisotonic state
13. Is a special protein that acts as a catalyst for organic reactions.
An enzyme
Blastula
A lysosome
Forebrain
14. Controls balance and muscle coordination
Paleozoic era
Stomach secretions
Will increase the reaction rate
Cerebellum
15. Contains optic lobes - controls sight.
The pituitary gland
Midbrain
Habituation
Common elements found in proteins
16. Are cells involved in immunity and are produced in bone marrow as stem cells.
Lymphocytes
An inhibitor
The habitat of an organism includes
Forebrain
17. A sex-linked recessive disorder carried on the x chromosome in which an individual cannot perceive certain colors.
Desert
Color blindness
Ecological niches open up
The nucleus
18. Is a phylum that contains sponges.
Attraction of atoms of different polarity
Habitat
Porifera
The theory of punctuated equilibrium
19. Produce antibodies into the bloodstream that find and attach themselves to foreign antigens (toxins - bacteria).
B Cells
Photolysis is a reaction of photosynthesis where
Multiple fruit
DNA produces particular genetic traits through
20. Occurs when two populations are geographically isolated from each other. Over time this results in the production of two separate species.
Catabolism
Interphase
Successful reproduction
Allopatric speciation
21. Is a compound fruit that develops from many ovaries of a single flower fusing together (raspberry).
Ecotone
Share electrons
Aggregate fruit
Circadian rhythms
22. Transparency - polarity - high specific heat - and density (lower density when solid than when liquid.).
Trachea
Natality
Characteristics of water valuable to living organisms
Habitat
23. Is comprised of all the organisms that interact within a given ecosystem whether or not it is at carrying capacity.
The community
Recycled environmental factors
The theory of punctuated equilibrium
A gene is
24. Is an ion that binds to an enzyme making it more able to catalyze a reaction.
Epidermal tissue
A prosthetic group
A sex linked recessive disease
Anabolsim
25. Contains multicellular photosynthetic eukaryotic organisms including gymnosperms and angiosperms.
Altruism
Kingdom Plantae
Scurvy
B Cells
26. Contains organisms that are multicellular eukaryotes including molds and mushrooms.
Kingdom Fungi
Phototropism
Filtered by the liver
Carbon
27. Ended with the extinction of the dinosaurs.
Gnathostomata
Cuticle
Did not evolve together
Mesozoic era
28. 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.
Prosthetic groups
Stomach secretions
Blastula
Saprophytic
29. Is more like branching out of a tree with dead ends and new branches appearing simultaneously than like steps on a ladder.
Cenozoic era
Iisotonic state
The evolution leading to Homo Sapiens...
North America
30. Engages in both passive and active transport.
An inhibitor
The synthesis of ATP molecules to store energy is an example of
The cell membrane (plasma membrane)
Bryophytes
31. Plants that produce flowers as reproductive organs. They have two divisions - monocots and dicots.
Xylem tissue
Angiosperms
About five million years ago...
Silicon
32. Is a compound fruit that forms from several ovaries of separate flowers that fuse together during ripening (strawberry - or pineapple).
Multiple fruit
A species role in the food chain is part of its
Color blindness
The pituitary gland
33. Veins in the leaf and are also distributed throughout the stem
A species role in the food chain is part of its
Vascular bundles make up the
Isotonic Conditions
The nucleus
34. Niche
Interphase
A species role in the food chain is part of its
Phosphorous gas
Saprophytic
35. Are membrane-bound organelles that contain digestive enzymes that digest dead or unused material within the cell or materials absorbed by the cell for use.
The Nitrogen cycle
Phosphorous gas
Lysosomes
Non-protein
36. 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
Will increase the reaction rate
A mutation
Color blindness
Lymphocytes
37. 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.
Cellular Metabolism
T Cells
DNA produces particular genetic traits through
Germ layers
38. Produce seeds without flowers. They include conifers (cone-bearers) and cycads.
Porifera
Genetic screening
Gymnosperms
Cellular Respiration
39. 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
Internodal tissue
Chlorophyll
Very specific
40. Is the process that releases energy for use by the cell.
Protista
Cellular Respiration
Gametogenesis
Recycled environmental factors
41. 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.
Gene Migration
Cytosine
Imprinting
Niche
42. Is the major component of sand and is the most abundant element found in the lithosphere. It is not recycled.
Protista
Cenozoic era
Silicon
R-selection
43. Layer that will become the skin - some endocrine glands - and the nervous system.
Ectoderm
Lysosomes
Imprinting
Endocytic vesicles
44. (of some plants or fungi) feeding on dead or decaying organic matter
Saprophytic
Hemophilia
Precambrian period
Forebrain
45. Is disorganized - unravelled - DNA with histones attached.
Cell walls
The nucleus
Chromatin
Through nitrogen fixing bacteria and lighting
46. 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.
Trachea
Cellulose - starch - lipid - and sugar molecules
Common elements found in proteins
North America
47. Allows for the genetic code to be preserved in future generations of cells.
Phosphorous gas
Cuticle
Simple fruits
DNA replication
48. It secretes saliva which enters the digestive tract and aids the digestive process.
Ectoderm
The biosphere
Cellular Metabolism
The salivary gland
49. Has extreme cold temperatures - low precipitation - modified grassland - perma-frost - a short growing season and some plants and animals.
Biogeochemical cycles
Tundra
The key limiting factor on cell size
North America
50. 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.
Scurvy
Vascular bundles
Prothallus
Pharynx