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Test your basic knowledge |
CLEP Biology
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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. Are cells involved in immunity and are produced in bone marrow as stem cells.
The synthesis of ATP molecules to store energy is an example of
Endoderm
Germ layers
Lymphocytes
2. Contains organisms that are multicellular eukaryotes including molds and mushrooms.
Kingdom Fungi
Recycled environmental factors
Lysis
Ectoderm tissue
3. 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
Cytosine
Pharynx
Endocytic vesicles
Early hominids...
4. 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.
Savanna
A hydrogen bond
Trachea
A prosthetic group
5. Some energy is lost as heat and becomes unusable.
Spiracles
Xylem tissue
As energy is transferred through trophic levels
Cuticle
6. Produce adrenaline. This hormone is a well-known constrictor of blood vessels.
The adrenal glands
Iisotonic state
Population
Cytosine
7. Provide rigidity to plant cells (and some bacteria) and are not found within animal cells.
About five million years ago...
Cell walls
Ecotone
Attraction of atoms of different polarity
8. An orienting response to light.
Phototropism
The nucleus
North America
Lymphocytes
9. 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.
Balance
The products of the Krebs cycle
Sudden appearance and disappearance of fossil species
Savanna
10. The process of forming eggs and sperm cells in the reproductive organs.
Centrioles
Gymnosperms
Kingdom Plantae
Gametogenesis
11. Is the control of protein synthesis. Genetic traits are expressed and specialization of cells occur as a result of the combination of proteins produced by the DNA of a cell.
The Nitrogen cycle
Kingdom Fungi
Silicon
The primary role of DNA in the cell
12. Is the period when the cell is active in carrying on the function it was designed to perform within the organism. Cells spend much more time in interphase than in cell division.
Interphase
The Cell Theory
Genome
Destroy most enzymes
13. 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
Phototropism
Saprophytic
Lysis
The synthesis of ATP molecules to store energy is an example of
14. Covalent bonds
Germ layers
Share electrons
Very specific
Saprophytic
15. A length of DNA (with corresponding histones) is responsible for the production of a certain protein that causes a particular trait to be expressed in an organism.
Lysis
Simple fruits
parasitic
A gene is
16. Covers and protects the leaf.
Hypothalamus
Cuticle
Kingdom Animalia
Alveoli
17. The part of the earth that contains all living things - including the atmosphere (air) - the lithosphere (earth) - and the hydrosphere (water).
Biosphere
The cuticle
Chlorophyll
The pancreas
18. Are the organelles where cellular respiration occurs.
Annelida
Ectoderm
Mitochondria
Phototropism
19. High temperatures
Destroy most enzymes
Biosphere
Internodal tissue
Sudden appearance and disappearance of fossil species
20. Protein synthesis
The adrenal glands
DNA produces particular genetic traits through
pH of Water
Ectoderm
21. The total amount of genetic information available for a given species.
The cell membrane
Meristem tissue
Gymnosperms
Genome
22. Super-class of vertebrae including organisms with jaws.
Cellular Respiration
Gnathostomata
Gregor Medel
Mitochondria
23. 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.
Cenozoic era
Precambrian period
T Cells
Kingdom Fungi
24. Is comprised of all the organisms that interact within a given ecosystem whether or not it is at carrying capacity.
The community
Vitamin C
Cuticle
Gametocide
25. 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.
Cytosine
The salivary gland
Ecotone
Photolysis is a reaction of photosynthesis where
26. 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.
Xylem tissue
Carbon
Meristem tissue
Isotonic Conditions
27. Has extreme hot or cold temperatures - with very low precipitation - sandy or rocky terrain - sparse vegetation (mainly succulents) - small animals - rodents - and reptiles.
Population
Endocytic vesicles
Desert
Biogeochemical cycles
28. Process of breaking down complex materials (foods) to form simpler substances and release energy.
The theory of punctuated equilibrium
Gregor Medel
Successful reproduction
Catabolism
29. Mass extinctions promote diversification because _______________ - making conditions favorable for the establishment of new - diverse species.
C ---OH
Balance
Ecological niches open up
Vascular bundles
30. Most fossils of Hominids are from continents other than...
Hydrolysis
North America
An enzyme
Protista
31. 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
Angiosperms
Circadian rhythms
Stem tissues
Color blindness
32. Sex-linked recessive disorder carried on the x chromosome defined by the absence of one or more proteins required for blood clotting
Hemophilia
Biogeochemical cycles
Precambrian period
Cerebellum
33. Subsets below the kingdom level
The theory of punctuated equilibrium
Cellular Metabolism
Phyla
The Cambrian Period
34. Is more like branching out of a tree with dead ends and new branches appearing simultaneously than like steps on a ladder.
Habitat
Silicon
A hydrogen bond
The evolution leading to Homo Sapiens...
35. The individual we recognize as an adult fern.
Kingdom Animalia
C ---OH
Mature sporophyte
Attraction of atoms of different polarity
36. Layer that will become the gut lining as well as some accessory structures.
Chromatin
Germ layers
Chimpanzees
Endoderm
37. Occurs when an individual learns not to respond to a particular stimulus - for instance when a stimulus is repeated many times without consequence.
Bryophytes
Vitamins
Habituation
Lysis
38. Allows for the genetic code to be preserved in future generations of cells.
DNA replication
Precambrian period
Vitamins
The cell's 'powerhouses'
39. Is a substance that changes the speed of a reaction without being affected itself.
Through nitrogen fixing bacteria and lighting
Gregor Medel
B Cells
A catalyst
40. Is a special protein that acts as a catalyst for organic reactions.
Savanna
An enzyme
Chlorophyll has the ability to
Stem tissues
41. 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).
Phloem tissue
The products of the Krebs cycle
Blastula
Will increase the reaction rate
42. The large brain and upright posture of Homo Sapiens...
Vitamins
Anabolism
Gnathostomata
Did not evolve together
43. Ended with the extinction of the dinosaurs.
Ectoderm
Restriction enzymes
Mesozoic era
Lysis
44. Is the number of organisms that can be supported within a particular ecosystem.
Gnathostomata
Lymphocytes
Carrying capacity
Annelida
45. Is a compound fruit that develops from many ovaries of a single flower fusing together (raspberry).
Photolysis is a reaction of photosynthesis where
Aggregate fruit
Fixed Action Pattern (FAP)
Lysosomes
46. Mitochondria - they constitute the center of cellular respiration.
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47. Respiratory organs within insects
Kingdom Plantae
Alveoli
Spiracles
Endoderm
48. (of some plants or fungi) feeding on dead or decaying organic matter
Genetic maintenance
Mature sporophyte
Altruism
Saprophytic
49. Is a kingdom that includes algae and protozoa.
A catalyst
Vitamins
Simple fruits
Protista
50. 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.
The theory of punctuated equilibrium
The products of the Krebs cycle
Arthropoda
Isotonic Conditions
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