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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. Nonvascular plants such as mosses which lack tissue for conducting food or water.
Chromatin
pathogenic
Bryophytes
Kingdom Plantae
2. A hydrogen bond involves the ________________ and can be easily broken.
Trachea
Through nitrogen fixing bacteria and lighting
Gametocide
Attraction of atoms of different polarity
3. Has an equal (50%) chance of being passed from a carrier mother to a son or a daughter.
A sex linked recessive disease
Cellular Respiration
A sudden change in the amount of extracellular fluid will be corrected by events following the release of substances from this organ.
Mature sporophyte
4. Occurs when two populations are geographically isolated from each other. Over time this results in the production of two separate species.
The theory of punctuated equilibrium
Allopatric speciation
Mitochondria
The adrenal glands
5. The systematic search for individuals with a specific genotype in a delineated population.
Hemophilia
Genetic screening
Common elements found in proteins
Through nitrogen fixing bacteria and lighting
6. Most fossils of Hominids are from continents other than...
Habituation
Recycled environmental factors
North America
Gnathostomata
7. Is disorganized - unravelled - DNA with histones attached.
Cnidaria
Chromatin
The primary role of DNA in the cell
Precambrian period
8. The role played by an organism in its food chain.
Catabolism
Trachea
Niche
Cerebellum
9. A reaction that adds water to another compound. (2 hydrogens - 1 oxygen).
Hydrolysis
Protista
A sudden change in the amount of extracellular fluid will be corrected by events following the release of substances from this organ.
The Cambrian Period
10. A type of innate behavior (instinct.) The FAP is a preprogrammed response to a particular stimulus (known as a releaser stimulus). FAP's include courtship behaviors and feeding of young. These are not learned behaviors - they are automatically perfor
Phototropism
Natality
Fixed Action Pattern (FAP)
The Nitrogen cycle
11. Produce adrenaline. This hormone is a well-known constrictor of blood vessels.
Chromatin
The adrenal glands
An inhibitor
Balance
12. May be ions or non-protein molecules - they are similar to cofactors - but differ in that they are tightly attached by covalent bonds to the enzyme - rather than being separate atoms or molecules.
A sudden change in the amount of extracellular fluid will be corrected by events following the release of substances from this organ.
T Cells
A prosthetic group
Prosthetic groups
13. Covers and protects the leaf.
Cuticle
Mesozoic era
Circadian rhythms
Desert
14. Contains organisms that are multicellular eukaryotes including molds and mushrooms.
Kingdom Fungi
Simple fruits
Ribonucleic acid
Morula
15. 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).
Very specific
Prosthetic groups
Population
Phloem tissue
16. The size of a cell is limited by the ratio of its surface area to volume.
Cytosine
The key limiting factor on cell size
Cell walls
Paleozoic era
17. In DNA Guanine pairs with...
The salivary gland
Kingdom Plantae
Cytosine
Free ribosomes
18. The large brain and upright posture of Homo Sapiens...
A sex linked recessive disease
Did not evolve together
Successful reproduction
Parenchyma tissue
19. Mass extinctions promote diversification because _______________ - making conditions favorable for the establishment of new - diverse species.
Internodal tissue
Gnathostomata
Interphase
Ecological niches open up
20. Is the outermost of the three main layers of an embryo.
Chordata
Mesoderm
Natality
Ectoderm tissue
21. Stood upright before there was an increase in brain size.
Chlorophyll
Forebrain
Early hominids...
Gnathostomata
22. Has extreme cold temperatures - low precipitation - modified grassland - perma-frost - a short growing season and some plants and animals.
Phototropism
Multiple fruit
Tundra
B Cells
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.
Precambrian period
Common elements found in proteins
Imprinting
R-selection
24. Enzymes are usually __________ to certain reactions.
Vitamins
Mature sporophyte
Very specific
Nematoda
25. 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
Endoderm
Common elements found in proteins
Porifera
26. Produce seeds without flowers. They include conifers (cone-bearers) and cycads.
The cell membrane
Gymnosperms
The nucleus
Protista
27. Subsets below the kingdom level
A prosthetic group
Phyla
About five million years ago...
Trachea
28. 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.
Gnathostomata
Interphase
T Cells
Common elements found in proteins
29. An enzyme is unaffected by the reactions it catalyzes
Spiracles
The nucleus
Fixed Action Pattern (FAP)
So it can be used over and over again.
30. 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.
The pancreas
Imprinting
Protista
Plasmodesmata
31. Consists of undifferentiated cells capable of quick growth and specialization. It is responsible for elongation of the stem.
Cell walls
Stem tissues
Aves
Meristem tissue
32. 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.
Gametocide
Very specific
Porifera
The primary role of DNA in the cell
33. Is the organelle where cellular reproductive processes occur.
The adrenal glands
The nucleus
The key limiting factor on cell size
Altruism
34. Some enzymes contain a __________ component that is essential to their functions.
Kingdom Animalia
Non-protein
Carrying capacity
Mitochondria
35. Process of breaking down complex materials (foods) to form simpler substances and release energy.
Catabolism
Germ layers
Characteristics of water valuable to living organisms
Kingdom Fungi
36. The process of forming eggs and sperm cells in the reproductive organs.
Gametogenesis
A sex linked recessive disease
Bryophytes
Desert
37. High temperatures
parasitic
A sex linked recessive disease
Multiple fruit
Destroy most enzymes
38. There was extensive radiation of fish during the Devonian and Silurian periods within the Paleozoic Era.
The community
Paleozoic era
Restriction enzymes
Adenine
39. 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
Phototropism
Photolysis is a reaction of photosynthesis where
Lymphocytes
40. Ended with the extinction of the dinosaurs.
Genome
A catalyst
Restriction enzymes
Mesozoic era
41. Studied the relationships between traits expressed in parents and offspring and the genes that caused the traits to be expressed.
The nucleus
Gregor Medel
Nucleotides
Anabolism
42. Mitochondria - they constitute the center of cellular respiration.
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43. Some energy is lost as heat and becomes unusable.
A sex linked recessive disease
Gregor Medel
The cell membrane (plasma membrane)
As energy is transferred through trophic levels
44. Controls balance and muscle coordination
Filtered by the liver
Centrioles
Cerebellum
Gametocide
45. Contains optic lobes - controls sight.
The Cambrian Period
Midbrain
Cuticle
DNA produces particular genetic traits through
46. Are more closely related to Homo Sapiens than to other apes - but Homo Sapiens did not evolve from chimpanzees.
Vascular bundles make up the
Chimpanzees
Adenine
The biosphere
47. Is found on the stem between nodes.
T Cells
Circadian rhythms
Internodal tissue
Did not evolve together
48. Is comprised of all the organisms that interact within a given ecosystem whether or not it is at carrying capacity.
Protista
Biosphere
The community
Prosthetic groups
49. Is when expression of genetic traits is determined by weather the trait is inherited from the mother or the father.
Phototropism
Catabolism
Sudden appearance and disappearance of fossil species
Genetic imprinting
50. 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
Vascular bundles
The pituitary gland
Hydrolysis
The biosphere