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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. Small - green - heart-shaped gametophyte plant form of a fern that can make its own food and absorb water and nutrients from the soil
Prothallus
Simple fruits
Restriction enzymes
Differential reproduction
2. Super-class of vertebrae including organisms with no jaws.
Aganatha
Adenine
Ectoderm tissue
Gnathostomata
3. Disease causing
Meristem tissue
pathogenic
Kingdom Animalia
Meristem tissue
4. Proposes that those individuals within a population that are most adapted to the environment are also the most likely individuals to produce viable offspring.
Stomach secretions
Gene Migration
Niche
Differential reproduction
5. The class composed of birds.
Aves
C ---OH
Plasmodesmata
Kingdom Protista
6. Is weaker than ionic - covalent - disulfide - or double bonds.
A hydrogen bond
The nucleus
Mesozoic era
Phototropism
7. In both living and non-living environments.
Enzymes catalyze reactions
Kingdom Protista
C ---OH
Attraction of atoms of different polarity
8. 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
C ---OH
Will increase the reaction rate
The nucleus
Carbon
9. The phylum of insects (bees).
Meristem tissue
Arthropoda
Phototropism
The nucleus
10. Controls sensory and motor responses - and controls memory - speech - and intelligence factors.
Porifera
Non-protein
Cerebrum
Gymnosperms
11. The process of forming eggs and sperm cells in the reproductive organs.
Recycled environmental factors
Ectoderm
Forebrain
Gametogenesis
12. Has loosely packed cells that allow for gas and moisture exchange.
Aves
A species role in the food chain is part of its
Larynx
Parenchyma tissue
13. Enzymes are usually __________ to certain reactions.
Very specific
Gametogenesis
Protista
Morula
14. Consists of undifferentiated cells capable of quick growth and specialization. It is responsible for elongation of the stem.
Biosphere
Meristem tissue
The key limiting factor on cell size
The Nitrogen cycle
15. Allows for the genetic code to be preserved in future generations of cells.
Chimpanzees
Vascular bundles make up the
B Cells
DNA replication
16. The large brain and upright posture of Homo Sapiens...
Cytosine
Did not evolve together
Gametogenesis
Filtered by the liver
17. Is the outermost layer of cells of the stem.
Mature sporophyte
Epidermal tissue
Hydrolysis
The Nitrogen cycle
18. Contains optic lobes - controls sight.
Midbrain
Adenine
The cuticle
Endoderm
19. The role played by an organism in its food chain.
Niche
Prothallus
Chordata
Larynx
20. Is the waxy protective outer coating of leaves.
Stem tissues
Cellular Metabolism
Xylem tissue
The cuticle
21. Is when expression of genetic traits is determined by weather the trait is inherited from the mother or the father.
A prosthetic group
The key limiting factor on cell size
Cytosine
Genetic imprinting
22. Occurs when an individual learns not to respond to a particular stimulus - for instance when a stimulus is repeated many times without consequence.
The cell's 'powerhouses'
Kingdom Protista
Habituation
The Cambrian Period
23. The transfer of electrons.
Ionic bonds involve
Cellulose - starch - lipid - and sugar molecules
Hypothalamus
Protista
24. The lineage that led to the modern Homo Sapiens diverged from the lineage that led to the modern chimpanzee.
Biosphere
About five million years ago...
The pancreas
Hydrolysis
25. 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.
Alveoli
Interphase
A mutation
Ribonucleic acid
26. Produce seeds without flowers. They include conifers (cone-bearers) and cycads.
Biosphere
Gymnosperms
Mesozoic era
Circadian rhythms
27. Bacteria break ammonia into nitrites - then into nitrates that are usable by plants; volcanic activity produces ammonia and nitrates that enter the soil and can be absorbed by plants; lightning reacts with atmospheric nitrogen to form nitrates that a
Vascular bundles
Isotonic Conditions
The Nitrogen cycle
Mesoderm
28. In DNA Thymine pairs with...
Simple fruits
Nucleotides
Protista
Adenine
29. The most recent and present era. It includes the radiation of flowering plants - the angiosperms.
Cerebrum
Cenozoic era
The nucleus
Genetic imprinting
30. Contain organisms that are multicellular eukaryotes including vertebrates and invertebrates.
Ecological niches open up
The Cell Theory
Lymphocytes
Kingdom Animalia
31. Is more like branching out of a tree with dead ends and new branches appearing simultaneously than like steps on a ladder.
An enzyme
Scurvy
B Cells
The evolution leading to Homo Sapiens...
32. Are organic cofactors or coenzymes that are required by some enzymatic reactions.
Vitamins
Savanna
The nucleus
Attraction of atoms of different polarity
33. Attaches to an enzyme and blocks the enzyme reaction rather than enhancing it - like a prosthetic group would.
An inhibitor
Chimpanzees
The cuticle
Hemophilia
34. Controls olfactory lobes (smell)
Phototropism
Blastula
Forebrain
Genome
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.
Catabolism
Lysosomes
The adrenal glands
Phototropism
36. 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.
A mutation
Carrying capacity
Chimpanzees
A sex linked recessive disease
37. 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
Fixed Action Pattern (FAP)
A hydrogen bond
Common elements found in proteins
Phototropism
38. Breaking down
Paleozoic era
Hydrolysis
Vitamin C
Catabolism
39. Transfers water and does not require sieve plates to allow nutrients through.
Xylem tissue
Will increase the reaction rate
Very specific
The cuticle
40. The size of a cell is limited by the ratio of its surface area to volume.
The key limiting factor on cell size
Will increase the reaction rate
Vitamins
C ---OH
41. Include: Vascular tissue - including both xylem and phloem - and sieve plates existing between cells of the stem.
Protista
Did not evolve together
Biosphere
Stem tissues
42. (of some plants or fungi) feeding on dead or decaying organic matter
The nucleus
Saprophytic
Color blindness
A lysosome
43. Layer that will become the gut lining as well as some accessory structures.
The cell membrane
Endoderm
A species role in the food chain is part of its
A gene is
44. 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
Forebrain
The habitat of an organism includes
Genetic maintenance
45. Some energy is lost as heat and becomes unusable.
Mesoderm
As energy is transferred through trophic levels
Silicon
Adenine
46. All store energy within their chemical bonds.
Iisotonic state
Cellulose - starch - lipid - and sugar molecules
Differential reproduction
Centrioles
47. Is found on the stem between nodes.
Porifera
Scurvy
Germ layers
Internodal tissue
48. Is comprised of all the organisms that interact within a given ecosystem whether or not it is at carrying capacity.
A hydrogen bond
Cerebellum
The community
Color blindness
49. Synthesis
North America
Natality
Anabolism
Kingdom Animalia
50. A cell will only remain stable if the surface area of the plasma membrane maintains a __________ with the volume of the cytoplasm.
Population
Annelida
Iisotonic state
Balance