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Test your basic knowledge |
CLEP Biology
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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. Respiratory organs within insects
Spiracles
A gene is
Simple fruits
Ectoderm tissue
2. The size of a cell is limited by the ratio of its surface area to volume.
Successful reproduction
The key limiting factor on cell size
Vascular bundles
Nematoda
3. Contain organisms that are multicellular eukaryotes including vertebrates and invertebrates.
pathogenic
Cerebrum
About five million years ago...
Kingdom Animalia
4. 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
Will increase the reaction rate
Photolysis is a reaction of photosynthesis where
Ecological niches open up
The pituitary gland
5. Is the sugar that lactase acts upon.
The Nitrogen cycle
Genome
Lactose
Electron Transfer System (ETS)
6. Layer that will become the skin - some endocrine glands - and the nervous system.
The hormone aldosterone
Interphase
Ectoderm
Angiosperms
7. Develops from the morula as a thin layer of cells surrounding an internal cavity.
Protista
The pituitary gland
Differential reproduction
Blastula
8. Is an abundant element found in protoplasm. Together with oxygen - hydrogen - and nitrogen - it composes over 90% of cellular structure.
Meristem tissue
Carbon
Did not evolve together
The primary role of DNA in the cell
9. Becomes available for erosion as undersea sedimentary rocks are up-thrust by volcanic activity - erosion releases it from rocks into streams where it combines with oxygen to form phosphates in lakes that are then absorbed by plants - it is recycled t
Did not evolve together
The theory of punctuated equilibrium
An enzyme
Phosphorous
10. Controls hunger and thirst
Share electrons
Hypothalamus
Aves
Lymphocytes
11. Is a disease caused by lack of vitamin C in which the body is unable to build enough collagen (a major component of connective tissue).
Scurvy
Savanna
Arthropoda
The cell membrane (plasma membrane)
12. Is a phylum that contains jellyfish - hydra - etc.
Cuticle
Cnidaria
Vitamin C
Biosphere
13. The pituitary gland.
Protista
Germ layers
A sudden change in the amount of extracellular fluid will be corrected by events following the release of substances from this organ.
Characteristics of water valuable to living organisms
14. 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 catalyst
Pharynx
Iisotonic state
15. Super-class of vertebrae including organisms with no jaws.
Phototropism
Mature sporophyte
Color blindness
Aganatha
16. Transparency - polarity - high specific heat - and density (lower density when solid than when liquid.).
Characteristics of water valuable to living organisms
Non-protein
Very specific
Stem tissues
17. 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.
Sudden appearance and disappearance of fossil species
Isotonic Conditions
Simple fruits
The primary role of DNA in the cell
18. The sharp boundary of an ecosystem.
Ecotone
Chromosome
Habitat
Phototropism
19. Is when expression of genetic traits is determined by weather the trait is inherited from the mother or the father.
Phloem tissue
The pancreas
Protista
Genetic imprinting
20. Ended with the extinction of the dinosaurs.
Paleozoic era
Imprinting
Mesozoic era
Internodal tissue
21. Has loosely packed cells that allow for gas and moisture exchange.
The adrenal glands
Aganatha
Parenchyma tissue
Lactose
22. 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.
A sudden change in the amount of extracellular fluid will be corrected by events following the release of substances from this organ.
Scurvy
Successful reproduction
The evolution leading to Homo Sapiens...
23. 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
Through nitrogen fixing bacteria and lighting
Plasmodesmata
Very specific
The Hardy-Weinberg Law of Equilibrium
24. Some patrol the blood for antigens - but are also equipped to destroy antigens. They may regulate immune responses as well.
The salivary gland
T Cells
Biogeochemical cycles
Endoderm
25. Approximately 7 - making it neither basic (under 7) nor alkaline (over 7).
Mitochondria
Habitat
pH of Water
Catabolism
26. Occurs when an individual learns not to respond to a particular stimulus - for instance when a stimulus is repeated many times without consequence.
Cellular Respiration
Differential reproduction
Tundra
Habituation
27. Decomposition of living matter for consumption.
parasitic
Gnathostomata
Annelida
B Cells
28. Process in which elements - chemical compounds - and other forms of matter are passed from one organism to another and from one part of the biosphere to another.
Lysosomes
Biogeochemical cycles
Phosphorous
Multiple fruit
29. The part of the earth that contains all living things - including the atmosphere (air) - the lithosphere (earth) - and the hydrosphere (water).
An enzyme
Interphase
Kingdom Fungi
Biosphere
30. The phyla composed of segmented worms.
Annelida
Phyla
Gregor Medel
Gene Migration
31. Cleave strands of DNA segments at certain sites.
Simple fruits
The habitat of an organism includes
Restriction enzymes
Kingdom Protista
32. Must be present for photosynthesis to occur - it is not used up in the process.
Porifera
The Cell Theory
Cuticle
Chlorophyll
33. Is a compound fruit that forms from several ovaries of separate flowers that fuse together during ripening (strawberry - or pineapple).
Carrying capacity
Parenchyma tissue
Multiple fruit
Phosphorous gas
34. Small - green - heart-shaped gametophyte plant form of a fern that can make its own food and absorb water and nutrients from the soil
Gametogenesis
Prothallus
Phototropism
The nucleus
35. 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.
Trachea
A hydrogen bond
Niche
Pharynx
36. Absorb a photon of light and is found in the grana of the chloroplast.
Balance
Mature sporophyte
Chlorophyll has the ability to
Photolysis is a reaction of photosynthesis where
37. When the water concentration inside and outside the cell is equal - It is said to be in an...
Through nitrogen fixing bacteria and lighting
Iisotonic state
R-selection
Imprinting
38. Allows for the genetic code to be preserved in future generations of cells.
A gene is
DNA replication
Very specific
Carrying capacity
39. Has an equal (50%) chance of being passed from a carrier mother to a son or a daughter.
The nucleus
Ribonucleic acid
Hemophilia
A sex linked recessive disease
40. A length of DNA (with corresponding histones) is responsible for the production of a certain protein that causes a particular trait to be expressed in an organism.
Ectoderm tissue
Genome
Cerebrum
A gene is
41. In both living and non-living environments.
Enzymes catalyze reactions
Lysis
Mesoderm
The pancreas
42. Covalent bonds
Mature sporophyte
Share electrons
Vitamin C
Carbon
43. Most chemical pollutants accidentally ingested by humans are __________ - mixed with broken down pigments in the bile - then bile is secreted into the small intestine - proceeds to the large intestine - and is expelled in the feces.
Porifera
Larynx
Filtered by the liver
Chimpanzees
44. Process of breaking down complex materials (foods) to form simpler substances and release energy.
Catabolism
R-selection
Endoderm
The nucleus
45. Occurs when an individual from an adjacent population of the same species immigrates and breeds with a member of a previously locally isolated group - resulting in a change in the gene pool.
Vitamin C
Gene Migration
The biosphere
Habituation
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.
Balance
Hydrolysis
Precambrian period
Gametogenesis
47. Is secreted by the adrenal cortex to promote sodium reabsorption in the kidney.
Through nitrogen fixing bacteria and lighting
Adenine
The hormone aldosterone
The theory of punctuated equilibrium
48. Some enzymes contain a __________ component that is essential to their functions.
Chromosome
Bronchi
Non-protein
The Cambrian Period
49. Super-class of vertebrae including organisms with jaws.
Genome
Gnathostomata
Non-protein
Ectoderm
50. An opportunistic life strategy strategy. Lichens invading a bare rock area after a volcanic eruption is an example.
Lactose
R-selection
So it can be used over and over again.
An enzyme
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