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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. High temperatures
Mature sporophyte
Ribonucleic acid
Destroy most enzymes
Cuticle
2. Is the process that releases energy for use by the cell.
Multiple fruit
The nucleus
Cellular Respiration
Pi
3. The total amount of genetic information available for a given species.
Hypothalamus
Xylem tissue
Genome
Centrioles
4. Contains multicellular photosynthetic eukaryotic organisms including gymnosperms and angiosperms.
Cell walls
Kingdom Plantae
Porifera
Mitochondria
5. Covers and protects the leaf.
Cuticle
Prothallus
The primary role of DNA in the cell
Attraction of atoms of different polarity
6. Refers to the birthrate of a population.
The pituitary gland
Natality
A prosthetic group
Imprinting
7. A cell will only remain stable if the surface area of the plasma membrane maintains a __________ with the volume of the cytoplasm.
Genetic imprinting
Balance
The cuticle
The pituitary gland
8. Is the outermost of the three main layers of an embryo.
A prosthetic group
North America
Ectoderm tissue
Chlorophyll
9. Niche
The cell membrane (plasma membrane)
A prosthetic group
A species role in the food chain is part of its
Simple fruits
10. 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
The Nitrogen cycle
Ectoderm tissue
Ecotone
Color blindness
11. Provide rigidity to plant cells (and some bacteria) and are not found within animal cells.
Habituation
Common elements found in proteins
Cell walls
Phyla
12. Is composed of a double layer (bilayer) of phospholipids with protein globules imbedded within the layers. The construction of the membrane allows it to aid the function of the cell by permitting entrance and exit of molecules as needed by the cell.
Interphase
The Cambrian Period
The cell membrane
Hydrolysis
13. Is a compound fruit that develops from many ovaries of a single flower fusing together (raspberry).
Aggregate fruit
Phototropism
Vascular bundles
Adenine
14. Studied the relationships between traits expressed in parents and offspring and the genes that caused the traits to be expressed.
Gregor Medel
Habitat
Precambrian period
Gymnosperms
15. 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.
Pharynx
Phototropism
Mature sporophyte
The theory of punctuated equilibrium
16. Include: Vascular tissue - including both xylem and phloem - and sieve plates existing between cells of the stem.
Adenine
Lysis
Cuticle
Stem tissues
17. Small - green - heart-shaped gametophyte plant form of a fern that can make its own food and absorb water and nutrients from the soil
A hydrogen bond
The synthesis of ATP molecules to store energy is an example of
Prothallus
Scurvy
18. 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
Iisotonic state
Forebrain
Meristem tissue
Endocytic vesicles
19. Process of breaking down complex materials (foods) to form simpler substances and release energy.
The products of the Krebs cycle
Phosphorous gas
Aggregate fruit
Catabolism
20. The pharynx is between the nasal passage and the trachea. Air passes into the body via the nasal passage - then passes through the pharynx and on to the trachea.
Pharynx
Meristem tissue
Midbrain
The nucleus
21. 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.
Biosphere
Plasmodesmata
Prosthetic groups
Ectoderm tissue
22. The size of a cell is limited by the ratio of its surface area to volume.
Ectoderm
Chlorophyll has the ability to
Midbrain
The key limiting factor on cell size
23. Is comprised of all the organisms that interact within a given ecosystem whether or not it is at carrying capacity.
The community
Tundra
An enzyme
Imprinting
24. Is found on the stem between nodes.
Trachea
Color blindness
Internodal tissue
Prothallus
25. An enzyme is unaffected by the reactions it catalyzes
Photolysis is a reaction of photosynthesis where
Genome
So it can be used over and over again.
Protista
26. The lineage that led to the modern Homo Sapiens diverged from the lineage that led to the modern chimpanzee.
The community
Genetic maintenance
About five million years ago...
The nucleus
27. Super-class of vertebrae including organisms with no jaws.
Porifera
Aganatha
The pancreas
Through nitrogen fixing bacteria and lighting
28. The transfer of electrons.
Endocytic vesicles
Ionic bonds involve
Interphase
Simple fruits
29. Is a kind of plain characterized by a warm climate - grassland - and seasonally dry climate conditions.
Morula
Differential reproduction
A hydrogen bond
Savanna
30. Is a phylum that contains jellyfish - hydra - etc.
Catabolism
Cnidaria
Differential reproduction
Hemophilia
31. Controls balance and muscle coordination
Cerebellum
Balance
Vascular bundles
The key limiting factor on cell size
32. 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.
Tundra
Midbrain
Successful reproduction
Interphase
33. Is very rare and is not absorbed by plant leaves. Phosphorous is nearly always found in solid form.
Kingdom Plantae
Chromatin
Phosphorous gas
Genetic screening
34. Most fossils of Hominids are from continents other than...
Gene Migration
Vascular bundles
Mitochondria
North America
35. Some energy is lost as heat and becomes unusable.
As energy is transferred through trophic levels
An inhibitor
Plasmodesmata
A mutation
36. Produce adrenaline. This hormone is a well-known constrictor of blood vessels.
A lysosome
The adrenal glands
Nematoda
Very specific
37. 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.
Non-protein
The primary role of DNA in the cell
Early hominids...
Recycled environmental factors
38. Is an abundant element found in protoplasm. Together with oxygen - hydrogen - and nitrogen - it composes over 90% of cellular structure.
Chlorophyll has the ability to
Carbon
Internodal tissue
A sudden change in the amount of extracellular fluid will be corrected by events following the release of substances from this organ.
39. The vocal cords are found in the larynx.
Internodal tissue
Larynx
pH of Water
Lysosomes
40. Contains optic lobes - controls sight.
Chromatin
The primary role of DNA in the cell
Midbrain
Habitat
41. Is found in the root cap and is responsible for quick growth in the roots.
Sudden appearance and disappearance of fossil species
Meristem tissue
R-selection
Mature sporophyte
42. 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
Mature sporophyte
The cell membrane
Simple fruits
Fixed Action Pattern (FAP)
43. Contain organisms that are multicellular eukaryotes including vertebrates and invertebrates.
Cnidaria
Kingdom Animalia
Cerebellum
Vascular bundles
44. Contains the chromosomes and is the site of reproduction through mitosis and meiosis.
Restriction enzymes
Destroy most enzymes
The cell membrane (plasma membrane)
The nucleus
45. 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).
Ectoderm
Multiple fruit
The primary role of DNA in the cell
Phloem tissue
46. 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.
Catabolism
Phototropism
Differential reproduction
Precambrian period
47. 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.
The Hardy-Weinberg Law of Equilibrium
Plasmodesmata
Lysosomes
Savanna
48. Are easily converted to ATP - but the main energy products of the Krebs cycle liberate electrons then used in the electron transfer reactions.
Spiracles
Early hominids...
The products of the Krebs cycle
The Nitrogen cycle
49. Is the number of organisms that can be supported within a particular ecosystem.
Carrying capacity
Porifera
Chromosome
Pharynx
50. Is the outermost layer of cells of the stem.
Kingdom Plantae
Epidermal tissue
Fixed Action Pattern (FAP)
Anabolism