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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. Where protein synthesis occurs. They float unattached in the cytoplasm. They contain RNA that is specific to their function in protein formation.
Mesozoic era
Free ribosomes
Vitamin C
The nucleus
2. The number of organisms in a given community - can be above or below the carrying capacity.
Population
Meristem tissue
Cenozoic era
Internodal tissue
3. Super-class of vertebrae including organisms with no jaws.
Interphase
Sudden appearance and disappearance of fossil species
Aganatha
Porifera
4. Is a protein - which is a polymer of amino acids. They generally have the suffix -ase- like lactase.
Non-protein
Will increase the reaction rate
An enzyme
Desert
5. Produce seeds without flowers. They include conifers (cone-bearers) and cycads.
Gymnosperms
Aganatha
Common elements found in proteins
The nucleus
6. Is found in the root cap and is responsible for quick growth in the roots.
Chordata
The adrenal glands
Meristem tissue
Allopatric speciation
7. 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.
Porifera
Genetic imprinting
Lysosomes
The community
8. Occurs when two populations are geographically isolated from each other. Over time this results in the production of two separate species.
Ectoderm
Allopatric speciation
DNA replication
So it can be used over and over again.
9. Disease causing
Chimpanzees
pathogenic
Hemophilia
Carbon
10. 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
Prosthetic groups
Will increase the reaction rate
Plasmodesmata
Chromatin
11. Is a special protein that acts as a catalyst for organic reactions.
Cuticle
Ectoderm
Trachea
An enzyme
12. Contains organisms that are multicellular eukaryotes including molds and mushrooms.
Gene Migration
Kingdom Fungi
Mesoderm
Genetic imprinting
13. Is a phylum that contains jellyfish - hydra - etc.
Cnidaria
Hemophilia
Hydrolysis
The key limiting factor on cell size
14. 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
The adrenal glands
Hemophilia
The primary role of DNA in the cell
15. 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
Parenchyma tissue
Habitat
Phototropism
Lactose
16. Plants and animals obtain usable nitrogen
The evolution leading to Homo Sapiens...
Porifera
The products of the Krebs cycle
Through nitrogen fixing bacteria and lighting
17. Enzymes are usually __________ to certain reactions.
Very specific
Ectoderm tissue
Porifera
The cell's 'powerhouses'
18. A sex-linked recessive disorder carried on the x chromosome in which an individual cannot perceive certain colors.
Balance
Color blindness
The cuticle
The products of the Krebs cycle
19. Is weaker than ionic - covalent - disulfide - or double bonds.
Annelida
Anabolism
A hydrogen bond
Imprinting
20. An enzyme is unaffected by the reactions it catalyzes
Ectoderm
Biogeochemical cycles
Anabolsim
So it can be used over and over again.
21. The process whereby cells build molecules and store energy (in the form of covalent chemical bonds).
Anabolsim
North America
Photolysis is a reaction of photosynthesis where
Endoderm
22. Include: Vascular tissue - including both xylem and phloem - and sieve plates existing between cells of the stem.
Stem tissues
Phototropism
Kingdom Plantae
Through nitrogen fixing bacteria and lighting
23. Are tubes constructed of a geometrical arrangement of microtubules in a pinwheel shape. Their function includes the formation of new microtubules - but is primarily to form the structural skeleton around which cells split during mitosis and meiosis.
Chimpanzees
Genetic maintenance
Centrioles
Vitamins
24. Some enzymes contain a __________ component that is essential to their functions.
C ---OH
Porifera
Non-protein
Ionic bonds involve
25. Secretes insulin to lower blood sugar and maintain equilibrium. A person eats three candy bars. Within minutes this endocrine gland affects blood-glucose homeostasis.
The pancreas
The habitat of an organism includes
Stem tissues
Mesoderm
26. Is a substance that changes the speed of a reaction without being affected itself.
Aves
The products of the Krebs cycle
Phosphorous
A catalyst
27. Is a coenzyme required in the synthesis of collagen.
Ecotone
Saprophytic
Vitamin C
Fixed Action Pattern (FAP)
28. 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.
The cell membrane
The primary role of DNA in the cell
Morula
Stem tissues
29. Is when expression of genetic traits is determined by weather the trait is inherited from the mother or the father.
B Cells
Genetic imprinting
Allopatric speciation
DNA replication
30. A reaction that adds water to another compound. (2 hydrogens - 1 oxygen).
Protista
Protista
Hydrolysis
Porifera
31. Are cells involved in immunity and are produced in bone marrow as stem cells.
Epidermal tissue
Ecotone
The Nitrogen cycle
Lymphocytes
32. Is a packet of digestive enzymes that destroy cellular wastes.
Blastula
Kingdom Plantae
A lysosome
Characteristics of water valuable to living organisms
33. Inorganic phosphate
An enzyme
The cell membrane (plasma membrane)
Will increase the reaction rate
Pi
34. The part of the earth that contains all living things - including the atmosphere (air) - the lithosphere (earth) - and the hydrosphere (water).
Biosphere
Savanna
A sex linked recessive disease
Meristem tissue
35. In order to become an established part of an island ecosystem there must be a populations large enough to ensure _________ - a food source - a suitable habitat - and a source of moisture.
The synthesis of ATP molecules to store energy is an example of
Successful reproduction
The nucleus
Multiple fruit
36. Is the waxy protective outer coating of leaves.
Adenine
The theory of punctuated equilibrium
As energy is transferred through trophic levels
The cuticle
37. Nonvascular plants such as mosses which lack tissue for conducting food or water.
Ionic bonds involve
Plasmodesmata
Bryophytes
pH of Water
38. Is a compound fruit that develops from many ovaries of a single flower fusing together (raspberry).
Epidermal tissue
Aggregate fruit
Mitochondria
Xylem tissue
39. Is a kingdom that includes algae and protozoa.
pathogenic
The Cell Theory
Protista
Balance
40. Is found on the stem between nodes.
Share electrons
R-selection
Hydrolysis
Internodal tissue
41. Has extreme hot or cold temperatures - with very low precipitation - sandy or rocky terrain - sparse vegetation (mainly succulents) - small animals - rodents - and reptiles.
Mesoderm
Desert
The pancreas
Phosphorous gas
42. The phyla of sponges.
Gregor Medel
Porifera
Recycled environmental factors
Spiracles
43. Niche
Mature sporophyte
A species role in the food chain is part of its
Silicon
A sudden change in the amount of extracellular fluid will be corrected by events following the release of substances from this organ.
44. Controls sensory and motor responses - and controls memory - speech - and intelligence factors.
Alveoli
Isotonic Conditions
Cerebrum
A sudden change in the amount of extracellular fluid will be corrected by events following the release of substances from this organ.
45. A suffix meaning 'to break apart.' O || ||
Phyla
A mutation
Lysis
Balance
46. Develops from the morula as a thin layer of cells surrounding an internal cavity.
Blastula
The Cambrian Period
Sudden appearance and disappearance of fossil species
T Cells
47. Produce antibodies into the bloodstream that find and attach themselves to foreign antigens (toxins - bacteria).
Phyla
Parenchyma tissue
B Cells
Meristem tissue
48. 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).
Nematoda
Phloem tissue
pathogenic
The cuticle
49. 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.
Protista
Habitat
So it can be used over and over again.
A mutation
50. 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.
Kingdom Plantae
Mesoderm
Sudden appearance and disappearance of fossil species
Cellulose - starch - lipid - and sugar molecules