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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. Are the organelles where cellular respiration occurs.
Spiracles
The Cell Theory
Phyla
Mitochondria
2. Some patrol the blood for antigens - but are also equipped to destroy antigens. They may regulate immune responses as well.
The Nitrogen cycle
So it can be used over and over again.
T Cells
Stomach secretions
3. Controls olfactory lobes (smell)
Ecotone
Restriction enzymes
Carbon
Forebrain
4. Produces the most ATP molecules - yielding 34 ATPs per glucose molecule.
Anabolsim
Endoderm
Electron Transfer System (ETS)
Cnidaria
5. When the water concentration inside and outside the cell is equal - It is said to be in an...
Attraction of atoms of different polarity
T Cells
Iisotonic state
Stomach secretions
6. The cells of a developing embryo (at the gastrula stage) differentiate into layers - that will later develop into different tissues and organs - including the mesoderm - ectoderm - and endoderm.
R-selection
Epidermal tissue
The salivary gland
Germ layers
7. The process of forming eggs and sperm cells in the reproductive organs.
An enzyme
Mitochondria
Gametogenesis
The adrenal glands
8. Decomposition of living matter for consumption.
Cuticle
The nucleus
Habituation
parasitic
9. Some enzymes contain a __________ component that is essential to their functions.
The Hardy-Weinberg Law of Equilibrium
Characteristics of water valuable to living organisms
Chordata
Non-protein
10. 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
Gametogenesis
The Cambrian Period
The salivary gland
Circadian rhythms
11. Controls sensory and motor responses - and controls memory - speech - and intelligence factors.
A gene is
The salivary gland
The theory of punctuated equilibrium
Cerebrum
12. Subsets below the kingdom level
The Cell Theory
Phyla
Habituation
Catabolism
13. 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.
Imprinting
Gametogenesis
Meristem tissue
Midbrain
14. Are organic cofactors or coenzymes that are required by some enzymatic reactions.
Early hominids...
Gymnosperms
Vitamins
Stem tissues
15. Stood upright before there was an increase in brain size.
Early hominids...
Vascular bundles
Catabolism
Kingdom Fungi
16. The transfer of electrons.
An inhibitor
Ionic bonds involve
Spiracles
The theory of punctuated equilibrium
17. The preservation of the integrity of genetic information from one generation to another.
Niche
A lysosome
Vitamin C
Genetic maintenance
18. The pituitary gland.
Cnidaria
Habitat
Cerebellum
A sudden change in the amount of extracellular fluid will be corrected by events following the release of substances from this organ.
19. Nonvascular plants such as mosses which lack tissue for conducting food or water.
A prosthetic group
Ecotone
Bryophytes
The theory of punctuated equilibrium
20. Is very rare and is not absorbed by plant leaves. Phosphorous is nearly always found in solid form.
Lactose
Free ribosomes
Lysis
Phosphorous gas
21. High temperatures
Genetic maintenance
Destroy most enzymes
Population
Aganatha
22. Niche
Meristem tissue
Multiple fruit
Nucleotides
A species role in the food chain is part of its
23. Is found on the stem between nodes.
Gene Migration
Internodal tissue
Cerebrum
Protista
24. Is a phylum that contains sponges.
Saprophytic
The Cell Theory
Cellulose - starch - lipid - and sugar molecules
Porifera
25. Is a compound fruit that forms from several ovaries of separate flowers that fuse together during ripening (strawberry - or pineapple).
Multiple fruit
Protista
Chlorophyll has the ability to
As energy is transferred through trophic levels
26. Developed by the German scientists Schleiden and Schwann - States that all living things are made of cells - cells are the basic units of life - all cells come from pre-existing cells.
Cellular Metabolism
Desert
Porifera
The Cell Theory
27. 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
Endocytic vesicles
Phosphorous
Nematoda
Fixed Action Pattern (FAP)
28. A suffix meaning 'to break apart.' O || ||
Through nitrogen fixing bacteria and lighting
Lysis
Prothallus
Chromosome
29. Attaches to an enzyme and blocks the enzyme reaction rather than enhancing it - like a prosthetic group would.
Did not evolve together
Scurvy
The key limiting factor on cell size
An inhibitor
30. Approximately 7 - making it neither basic (under 7) nor alkaline (over 7).
The theory of punctuated equilibrium
Anabolsim
pH of Water
Mesozoic era
31. The vocal cords are found in the larynx.
Genome
Larynx
The cuticle
Prosthetic groups
32. Provide rigidity to plant cells (and some bacteria) and are not found within animal cells.
The biosphere
Imprinting
Lactose
Cell walls
33. Consists of undifferentiated cells capable of quick growth and specialization. It is responsible for elongation of the stem.
The pituitary gland
Meristem tissue
Cerebellum
Porifera
34. Is a kind of plain characterized by a warm climate - grassland - and seasonally dry climate conditions.
Adenine
Blastula
Silicon
Savanna
35. Sex-linked recessive disorder carried on the x chromosome defined by the absence of one or more proteins required for blood clotting
Aganatha
Hemophilia
Morula
Precambrian period
36. Layer that will become the gut lining as well as some accessory structures.
Successful reproduction
Genetic maintenance
Protista
Endoderm
37. States that where random mating is occurring within a population that is in equilibrium with its environment - the gene frequencies and genotype ratios will remain constant from generation to generation. It is a mathematical formula that shows why re
The Cambrian Period
The Hardy-Weinberg Law of Equilibrium
Trachea
Aggregate fruit
38. Is when expression of genetic traits is determined by weather the trait is inherited from the mother or the father.
Free ribosomes
Vascular bundles
Genetic imprinting
The primary role of DNA in the cell
39. Some energy is lost as heat and becomes unusable.
The products of the Krebs cycle
Epidermal tissue
As energy is transferred through trophic levels
Kingdom Protista
40. Refers to the birthrate of a population.
Natality
Carrying capacity
Paleozoic era
The cuticle
41. The number of organisms in a given community - can be above or below the carrying capacity.
Population
Alveoli
Lysosomes
Epidermal tissue
42. All store energy within their chemical bonds.
Phloem tissue
Balance
The habitat of an organism includes
Cellulose - starch - lipid - and sugar molecules
43. In DNA Thymine pairs with...
Adenine
Paleozoic era
Genetic imprinting
Gnathostomata
44. Is a special protein that acts as a catalyst for organic reactions.
Cnidaria
Annelida
Genetic screening
An enzyme
45. Is the earliest period of the Paleozoic era. Began with the Cambrian explosion - this explosion of life resulted in the representatives of most of the modern phyla being present.
Attraction of atoms of different polarity
Prothallus
Protista
The Cambrian Period
46. Protein synthesis
Hypothalamus
Meristem tissue
A sudden change in the amount of extracellular fluid will be corrected by events following the release of substances from this organ.
DNA produces particular genetic traits through
47. 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.
A species role in the food chain is part of its
Centrioles
Carrying capacity
The cell's 'powerhouses'
48. Enzymes are usually __________ to certain reactions.
Differential reproduction
Cytosine
Very specific
Kingdom Plantae
49. The phylum of insects (bees).
Arthropoda
Characteristics of water valuable to living organisms
North America
Photolysis is a reaction of photosynthesis where
50. Covers and protects the leaf.
Scurvy
The cuticle
The biosphere
Cuticle