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. Contains multicellular photosynthetic eukaryotic organisms including gymnosperms and angiosperms.
Gametogenesis
Kingdom Plantae
Interphase
Genetic screening
2. Ended with the extinction of the dinosaurs.
Color blindness
The cell's 'powerhouses'
Ribonucleic acid
Mesozoic era
3. Algae and Protozoa belong to the kingdom...
Vascular bundles make up the
Protista
Tundra
Successful reproduction
4. Synthesis
The theory of punctuated equilibrium
Natality
Centrioles
Anabolism
5. Are organic cofactors or coenzymes that are required by some enzymatic reactions.
A species role in the food chain is part of its
Vitamins
As energy is transferred through trophic levels
Internodal tissue
6. Is secreted by the adrenal cortex to promote sodium reabsorption in the kidney.
The hormone aldosterone
The products of the Krebs cycle
Larynx
Biosphere
7. Is very rare and is not absorbed by plant leaves. Phosphorous is nearly always found in solid form.
Electron Transfer System (ETS)
Gametogenesis
Phosphorous gas
The Cambrian Period
8. Allows for the genetic code to be preserved in future generations of cells.
DNA replication
Arthropoda
Phosphorous
The pituitary gland
9. Channels is cell membranes that carry water between cells.
Plasmodesmata
Very specific
A lysosome
Habituation
10. The sharp boundary of an ecosystem.
Xylem tissue
Blastula
Ecotone
A mutation
11. 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
Gymnosperms
Phototropism
Protista
Habitat
12. Is the major component of sand and is the most abundant element found in the lithosphere. It is not recycled.
Silicon
Vitamin C
Stomach secretions
The synthesis of ATP molecules to store energy is an example of
13. 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
Mitochondria
Recycled environmental factors
So it can be used over and over again.
14. Niche
A species role in the food chain is part of its
The Cell Theory
Catabolism
Hemophilia
15. Occurs when two populations are geographically isolated from each other. Over time this results in the production of two separate species.
Protista
Characteristics of water valuable to living organisms
Allopatric speciation
Color blindness
16. The phyla composed of segmented worms.
Annelida
C ---OH
Meristem tissue
The community
17. The solid mass of cells resulting from the cleavage of the ovum before the formation of a blastula.
So it can be used over and over again.
Morula
Chordata
Mesoderm
18. Produce adrenaline. This hormone is a well-known constrictor of blood vessels.
The adrenal glands
Lysis
Nematoda
A hydrogen bond
19. Is a kind of plain characterized by a warm climate - grassland - and seasonally dry climate conditions.
Nucleotides
The cell membrane (plasma membrane)
Savanna
Paleozoic era
20. The number of organisms in a given community - can be above or below the carrying capacity.
Population
Cenozoic era
The Cell Theory
Blastula
21. Are the monomers that form nucleic acids - containing a sugar - phosphate group - and a nitrogenous base.
Gymnosperms
Nucleotides
Genome
Altruism
22. Is the number of organisms that can be supported within a particular ecosystem.
Internodal tissue
Silicon
Cellular Metabolism
Carrying capacity
23. Is a phylum that contains sponges.
Hemophilia
Stem tissues
Porifera
An enzyme
24. The individual we recognize as an adult fern.
Natality
A hydrogen bond
Mature sporophyte
Cuticle
25. The phyla of round worms.
Cellulose - starch - lipid - and sugar molecules
Nematoda
Prosthetic groups
Ectoderm tissue
26. 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
Did not evolve together
Phototropism
Cellular Metabolism
27. Biotic (living) factors such as population and food source - and abiotic (non-living) factors such as weather - temperature - soil features - sunlight).
Iisotonic state
Cnidaria
The habitat of an organism includes
Chordata
28. Studied the relationships between traits expressed in parents and offspring and the genes that caused the traits to be expressed.
Gregor Medel
Kingdom Plantae
Vitamins
Ecological niches open up
29. The size of a cell is limited by the ratio of its surface area to volume.
Cytosine
The key limiting factor on cell size
Endoderm
Successful reproduction
30. Most fossils of Hominids are from continents other than...
The community
Altruism
Vascular bundles
North America
31. Breaking down
Savanna
Vascular bundles make up the
Catabolism
R-selection
32. Secretes insulin to lower blood sugar and maintain equilibrium. A person eats three candy bars. Within minutes this endocrine gland affects blood-glucose homeostasis.
A species role in the food chain is part of its
The cuticle
Silicon
The pancreas
33. Is an ion that binds to an enzyme making it more able to catalyze a reaction.
T Cells
North America
A prosthetic group
Characteristics of water valuable to living organisms
34. There was extensive radiation of fish during the Devonian and Silurian periods within the Paleozoic Era.
Alveoli
Will increase the reaction rate
Paleozoic era
Early hominids...
35. Is weaker than ionic - covalent - disulfide - or double bonds.
Meristem tissue
An inhibitor
Porifera
A hydrogen bond
36. The process of forming eggs and sperm cells in the reproductive organs.
Plasmodesmata
Forebrain
A mutation
Gametogenesis
37. Occurs when an individual learns not to respond to a particular stimulus - for instance when a stimulus is repeated many times without consequence.
Habituation
Pharynx
Genetic screening
DNA produces particular genetic traits through
38. Is a substance that changes the speed of a reaction without being affected itself.
A catalyst
The Cambrian Period
Balance
The adrenal glands
39. Carbon - Hydrogen - Oxygen - and Nitrogen
Hemophilia
Common elements found in proteins
Chromosome
Cerebellum
40. Layer that will become the gut lining as well as some accessory structures.
Endoderm
Biosphere
Destroy most enzymes
Trachea
41. Is composed of an anterior and posterior lobe. The stalk of the lobe is connected to the hypothalamus. Antidiuretic Hormone (AH) is produced in the hypothalamus and stored in the posterior pituitary. Upon nervous stimulation from the hypothalamus - t
The pituitary gland
The salivary gland
The cell membrane
Carrying capacity
42. Plants and animals obtain usable nitrogen
Through nitrogen fixing bacteria and lighting
Cerebrum
A hydrogen bond
Anabolsim
43. An opportunistic life strategy strategy. Lichens invading a bare rock area after a volcanic eruption is an example.
Filtered by the liver
Endoderm
Cenozoic era
R-selection
44. The preservation of the integrity of genetic information from one generation to another.
Genetic maintenance
Kingdom Plantae
About five million years ago...
T Cells
45. Is a special protein that acts as a catalyst for organic reactions.
An enzyme
Natality
Photolysis is a reaction of photosynthesis where
Sudden appearance and disappearance of fossil species
46. All store energy within their chemical bonds.
Genome
Cellulose - starch - lipid - and sugar molecules
Porifera
T Cells
47. Engages in both passive and active transport.
The cell membrane (plasma membrane)
Prothallus
The salivary gland
Annelida
48. The destruction of gametes - (sex cells such as sperm and eggs).
Gametocide
Arthropoda
Epidermal tissue
Genome
49. Energy transformations that occur as chemicals are broken down or synthesized within the cell.
Centrioles
Cellular Metabolism
Kingdom Animalia
Vascular bundles make up the
50. Contain one celled eukaryotes such as algae and protozoa.
Through nitrogen fixing bacteria and lighting
Sudden appearance and disappearance of fossil species
Larynx
Kingdom Protista