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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. An opportunistic life strategy strategy. Lichens invading a bare rock area after a volcanic eruption is an example.
The Nitrogen cycle
R-selection
Prothallus
Niche
2. What phylum are snakes in?
Chordata
A species role in the food chain is part of its
Phototropism
Lymphocytes
3. In DNA Thymine pairs with...
Pi
Protista
Adenine
Hypothalamus
4. Contains many genes and is a structure comprised of linear DNA and associated proteins.
Vitamin C
Chromosome
Lymphocytes
Lysis
5. Are organic cofactors or coenzymes that are required by some enzymatic reactions.
Vitamins
The community
Mesozoic era
Aganatha
6. Has extreme hot or cold temperatures - with very low precipitation - sandy or rocky terrain - sparse vegetation (mainly succulents) - small animals - rodents - and reptiles.
Gene Migration
parasitic
DNA replication
Desert
7. Some patrol the blood for antigens - but are also equipped to destroy antigens. They may regulate immune responses as well.
Cerebellum
DNA replication
Chimpanzees
T Cells
8. The class composed of birds.
The nucleus
Aves
Differential reproduction
Free ribosomes
9. Is weaker than ionic - covalent - disulfide - or double bonds.
DNA replication
Through nitrogen fixing bacteria and lighting
A hydrogen bond
Mitochondria
10. Controls olfactory lobes (smell)
Filtered by the liver
Forebrain
Nematoda
Tundra
11. Transfers water and does not require sieve plates to allow nutrients through.
Xylem tissue
Balance
Multiple fruit
Morula
12. Secretes insulin to lower blood sugar and maintain equilibrium. A person eats three candy bars. Within minutes this endocrine gland affects blood-glucose homeostasis.
The pancreas
Prothallus
As energy is transferred through trophic levels
Allopatric speciation
13. 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
Kingdom Protista
The Cell Theory
The cell membrane
14. Breaking down
Catabolism
Did not evolve together
Vascular bundles make up the
The pancreas
15. Is a phylum that contains sponges.
About five million years ago...
Chordata
The theory of punctuated equilibrium
Porifera
16. Engages in both passive and active transport.
The cell membrane (plasma membrane)
Altruism
Carbon
Plasmodesmata
17. Ended with the extinction of the dinosaurs.
Characteristics of water valuable to living organisms
Tundra
Mesozoic era
Hypothalamus
18. Some enzymes contain a __________ component that is essential to their functions.
Non-protein
Altruism
Kingdom Animalia
Common elements found in proteins
19. Subsets below the kingdom level
Genetic screening
Phyla
Prosthetic groups
Ectoderm tissue
20. Is the major component of sand and is the most abundant element found in the lithosphere. It is not recycled.
Vitamins
Larynx
Silicon
Aggregate fruit
21. The number of organisms in a given community - can be above or below the carrying capacity.
Population
Chromosome
Kingdom Protista
Recycled environmental factors
22. The phyla of sponges.
Niche
Chromatin
Porifera
Imprinting
23. Is a molecule that stores information for protein synthesis and genetic coding.
Cerebellum
Through nitrogen fixing bacteria and lighting
Phosphorous gas
Ribonucleic acid
24. Disease causing
Prothallus
pathogenic
A sudden change in the amount of extracellular fluid will be corrected by events following the release of substances from this organ.
The cell's 'powerhouses'
25. Where protein synthesis occurs. They float unattached in the cytoplasm. They contain RNA that is specific to their function in protein formation.
Plasmodesmata
Did not evolve together
Free ribosomes
Cnidaria
26. The phyla composed of segmented worms.
Stem tissues
Mesozoic era
Annelida
Scurvy
27. Stood upright before there was an increase in brain size.
DNA replication
Habitat
Prosthetic groups
Early hominids...
28. Fruits that develop from a single ripened ovary (apple - olive - acorn - cucumber).
Biogeochemical cycles
Simple fruits
Internodal tissue
Nucleotides
29. Some energy is lost as heat and becomes unusable.
As energy is transferred through trophic levels
Ectoderm
Biosphere
An enzyme
30. Absorb a photon of light and is found in the grana of the chloroplast.
Chlorophyll has the ability to
Phototropism
Photolysis is a reaction of photosynthesis where
Lysis
31. Proposes that those individuals within a population that are most adapted to the environment are also the most likely individuals to produce viable offspring.
Differential reproduction
The cell's 'powerhouses'
Cuticle
The nucleus
32. Contains optic lobes - controls sight.
Ectoderm tissue
Midbrain
Endoderm
Population
33. Carbon - Hydrogen - Oxygen - and Nitrogen
Common elements found in proteins
Cnidaria
About five million years ago...
Biosphere
34. High temperatures
Imprinting
Angiosperms
Destroy most enzymes
C ---OH
35. Allows for the genetic code to be preserved in future generations of cells.
Habitat
The adrenal glands
C ---OH
DNA replication
36. The systematic search for individuals with a specific genotype in a delineated population.
Genetic screening
Cellular Respiration
Carrying capacity
Pharynx
37. An orienting response to light.
Phototropism
Desert
Hydrolysis
North America
38. Protein synthesis
Plasmodesmata
Catabolism
DNA produces particular genetic traits through
The Cell Theory
39. Is the waxy protective outer coating of leaves.
The primary role of DNA in the cell
The cuticle
Meristem tissue
Parenchyma tissue
40. Has loosely packed cells that allow for gas and moisture exchange.
DNA replication
Alveoli
Cerebrum
Parenchyma tissue
41. Respiratory organs within insects
Forebrain
Mature sporophyte
Spiracles
Cenozoic era
42. The part of the earth that contains all living things - including the atmosphere (air) - the lithosphere (earth) - and the hydrosphere (water).
Germ layers
Biosphere
The habitat of an organism includes
Interphase
43. The pituitary gland.
C ---OH
A sudden change in the amount of extracellular fluid will be corrected by events following the release of substances from this organ.
Meristem tissue
Genetic maintenance
44. Is a social behavior of an organism that is beneficial to the group at the individual's expense.
Recycled environmental factors
Altruism
Epidermal tissue
The nucleus
45. Mass extinctions promote diversification because _______________ - making conditions favorable for the establishment of new - diverse species.
Larynx
Trachea
Ecological niches open up
Bronchi
46. 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.
Trachea
Biogeochemical cycles
The cell membrane
Scurvy
47. Veins in the leaf and are also distributed throughout the stem
Recycled environmental factors
Characteristics of water valuable to living organisms
Vascular bundles make up the
Stomach secretions
48. Are cells involved in immunity and are produced in bone marrow as stem cells.
Savanna
Balance
A species role in the food chain is part of its
Lymphocytes
49. 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.
The adrenal glands
Carrying capacity
Stomach secretions
Sudden appearance and disappearance of fossil species
50. All store energy within their chemical bonds.
Cellulose - starch - lipid - and sugar molecules
The biosphere
Silicon
The Cell Theory