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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. 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.
Biogeochemical cycles
Stomach secretions
Paleozoic era
Very specific
2. Super-class of vertebrae including organisms with jaws.
Gnathostomata
Tundra
Chromosome
Phosphorous
3. Layer that will become the gut lining as well as some accessory structures.
R-selection
Mesoderm
Endoderm
Mesozoic era
4. Are cells involved in immunity and are produced in bone marrow as stem cells.
Hypothalamus
C ---OH
The cuticle
Lymphocytes
5. Nonvascular plants such as mosses which lack tissue for conducting food or water.
Bryophytes
The nucleus
The pancreas
T Cells
6. Must be present for photosynthesis to occur - it is not used up in the process.
Chlorophyll
Phyla
Natality
Multiple fruit
7. Some patrol the blood for antigens - but are also equipped to destroy antigens. They may regulate immune responses as well.
Nematoda
A gene is
Gnathostomata
T Cells
8. 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
Annelida
Xylem tissue
Habitat
9. Is a molecule that stores information for protein synthesis and genetic coding.
Ribonucleic acid
Stomach secretions
Carbon
Lysis
10. Are surrounded by capillaries that allow for carbon dioxide to diffuse into the lungs and oxygen to diffuse out.
Angiosperms
Alveoli
Chimpanzees
Parenchyma tissue
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).
Cellular Metabolism
Scurvy
Chimpanzees
Cellular Respiration
12. Veins in the leaf and are also distributed throughout the stem
R-selection
Recycled environmental factors
The pancreas
Vascular bundles make up the
13. Is the organelle where cellular reproductive processes occur.
The nucleus
Biosphere
Multiple fruit
Xylem tissue
14. Where protein synthesis occurs. They float unattached in the cytoplasm. They contain RNA that is specific to their function in protein formation.
Recycled environmental factors
Free ribosomes
Meristem tissue
Alveoli
15. An enzyme is unaffected by the reactions it catalyzes
Population
Restriction enzymes
So it can be used over and over again.
Centrioles
16. Inorganic phosphate
pH of Water
The cell's 'powerhouses'
Nematoda
Pi
17. Are the organelles where cellular respiration occurs.
Tundra
The synthesis of ATP molecules to store energy is an example of
Mitochondria
Balance
18. Chlorophyll pigments absorb photons of light - leaving the chlorophyll in a higher energy (excited) state - these then supply energy to reactions that produce ATP from ADP and Pi.
Niche
Photolysis is a reaction of photosynthesis where
Gregor Medel
Hypothalamus
19. Algae and Protozoa belong to the kingdom...
pathogenic
Protista
So it can be used over and over again.
Chromosome
20. Provide rigidity to plant cells (and some bacteria) and are not found within animal cells.
Vitamin C
Stem tissues
Hydrolysis
Cell walls
21. Approximately 7 - making it neither basic (under 7) nor alkaline (over 7).
Kingdom Protista
pH of Water
Mesozoic era
The cell membrane (plasma membrane)
22. Is a substance that changes the speed of a reaction without being affected itself.
A catalyst
Paleozoic era
A sudden change in the amount of extracellular fluid will be corrected by events following the release of substances from this organ.
The cell membrane
23. 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
Circadian rhythms
Aves
Prothallus
Prosthetic groups
24. 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
The Hardy-Weinberg Law of Equilibrium
Hypothalamus
A sudden change in the amount of extracellular fluid will be corrected by events following the release of substances from this organ.
25. Contains multicellular photosynthetic eukaryotic organisms including gymnosperms and angiosperms.
Ectoderm
Recycled environmental factors
Kingdom Plantae
As energy is transferred through trophic levels
26. The pituitary gland.
Phototropism
Cell walls
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
27. The lineage that led to the modern Homo Sapiens diverged from the lineage that led to the modern chimpanzee.
About five million years ago...
Isotonic Conditions
Blastula
Through nitrogen fixing bacteria and lighting
28. This is a carboxyl group and is the signature group found within organic acids.
C ---OH
As energy is transferred through trophic levels
The key limiting factor on cell size
An enzyme
29. 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.
Biosphere
Pi
Sudden appearance and disappearance of fossil species
Stem tissues
30. High temperatures
Destroy most enzymes
The hormone aldosterone
The nucleus
Hypothalamus
31. Contains the chromosomes and is the site of reproduction through mitosis and meiosis.
Genome
Habituation
The nucleus
Non-protein
32. Niche
A species role in the food chain is part of its
Share electrons
Cerebrum
The Cell Theory
33. 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)
As energy is transferred through trophic levels
Electron Transfer System (ETS)
Vascular bundles make up the
34. Transfers water and does not require sieve plates to allow nutrients through.
Aves
Xylem tissue
Prothallus
Attraction of atoms of different polarity
35. A sex-linked recessive disorder carried on the x chromosome in which an individual cannot perceive certain colors.
Chlorophyll
About five million years ago...
Successful reproduction
Color blindness
36. 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
Phosphorous
Saprophytic
DNA produces particular genetic traits through
Isotonic Conditions
37. Layer that will become the skin - some endocrine glands - and the nervous system.
A hydrogen bond
Kingdom Protista
Early hominids...
Ectoderm
38. The size of a cell is limited by the ratio of its surface area to volume.
Germ layers
Larynx
Habitat
The key limiting factor on cell size
39. 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.
Early hominids...
The evolution leading to Homo Sapiens...
Filtered by the liver
Trachea
40. 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.
A lysosome
Ribonucleic acid
Lysosomes
About five million years ago...
41. A reaction that adds water to another compound. (2 hydrogens - 1 oxygen).
Hydrolysis
Isotonic Conditions
Mesozoic era
Bryophytes
42. The most recent and present era. It includes the radiation of flowering plants - the angiosperms.
Phototropism
Cenozoic era
The salivary gland
Ionic bonds involve
43. A hydrogen bond involves the ________________ and can be easily broken.
Xylem tissue
Genetic imprinting
Hemophilia
Attraction of atoms of different polarity
44. Is a coenzyme required in the synthesis of collagen.
The products of the Krebs cycle
Vitamin C
Genetic screening
The Hardy-Weinberg Law of Equilibrium
45. Stood upright before there was an increase in brain size.
Annelida
Early hominids...
Genetic imprinting
Ribonucleic acid
46. Is a compound fruit that forms from several ovaries of separate flowers that fuse together during ripening (strawberry - or pineapple).
So it can be used over and over again.
Ectoderm
The nucleus
Multiple fruit
47. The trachea includes the windpipe or larynx in its upper portion - and the glottis - an opening that allows the gases to pass into the two branches known as the bronchi.
Nematoda
DNA produces particular genetic traits through
Trachea
The evolution leading to Homo Sapiens...
48. Produce antibodies into the bloodstream that find and attach themselves to foreign antigens (toxins - bacteria).
Scurvy
Tundra
B Cells
Kingdom Plantae
49. Is the sugar that lactase acts upon.
Ecological niches open up
Gametogenesis
Lactose
Aggregate fruit
50. The transfer of electrons.
Ionic bonds involve
Share electrons
North America
Hemophilia