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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 produced when water passes through the cell membrane by osmosis from an area of higher concentration to an area of lower concentration - to equalize water concentration.
A gene is
Very specific
Phosphorous
Isotonic Conditions
2. Is a protein - which is a polymer of amino acids. They generally have the suffix -ase- like lactase.
Prosthetic groups
The cuticle
An enzyme
About five million years ago...
3. 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
Meristem tissue
Phosphorous
Circadian rhythms
The salivary gland
4. The solid mass of cells resulting from the cleavage of the ovum before the formation of a blastula.
A species role in the food chain is part of its
The Cell Theory
Morula
A mutation
5. Is a phylum that contains sponges.
Restriction enzymes
Balance
Trachea
Porifera
6. Is the major component of sand and is the most abundant element found in the lithosphere. It is not recycled.
Silicon
Color blindness
A prosthetic group
Cerebellum
7. Is the organelle where cellular reproductive processes occur.
The cuticle
Phloem tissue
The nucleus
A sex linked recessive disease
8. Layer that will become the skin - some endocrine glands - and the nervous system.
An enzyme
Ectoderm
Gametogenesis
Kingdom Protista
9. The preservation of the integrity of genetic information from one generation to another.
Larynx
The cell membrane
Genetic maintenance
The pancreas
10. Include: Vascular tissue - including both xylem and phloem - and sieve plates existing between cells of the stem.
Stem tissues
Non-protein
Habituation
The pancreas
11. The bronchi lead to the two lungs where they branch out in all directions into smaller tubules known as bronchioles.
Bronchi
Stem tissues
Trachea
Iisotonic state
12. The part of the earth that contains all living things - including the atmosphere (air) - the lithosphere (earth) - and the hydrosphere (water).
An inhibitor
Biosphere
North America
About five million years ago...
13. The systematic search for individuals with a specific genotype in a delineated population.
Hypothalamus
Genetic screening
Phototropism
Attraction of atoms of different polarity
14. A hydrogen bond involves the ________________ and can be easily broken.
pathogenic
Attraction of atoms of different polarity
The nucleus
Color blindness
15. An enzyme is unaffected by the reactions it catalyzes
The key limiting factor on cell size
Habitat
So it can be used over and over again.
Sudden appearance and disappearance of fossil species
16. Controls olfactory lobes (smell)
Pharynx
Aganatha
Forebrain
Genetic screening
17. 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.
Vascular bundles
Paleozoic era
Natality
Imprinting
18. Is very rare and is not absorbed by plant leaves. Phosphorous is nearly always found in solid form.
Mitochondria
Phosphorous gas
Arthropoda
North America
19. The phyla of sponges.
A species role in the food chain is part of its
Porifera
Aves
C ---OH
20. A cell will only remain stable if the surface area of the plasma membrane maintains a __________ with the volume of the cytoplasm.
Lysis
Balance
Mitochondria
Restriction enzymes
21. Breaking down
The evolution leading to Homo Sapiens...
Imprinting
Bronchi
Catabolism
22. There was extensive radiation of fish during the Devonian and Silurian periods within the Paleozoic Era.
Paleozoic era
The Cell Theory
Aganatha
Hemophilia
23. Is an ion that binds to an enzyme making it more able to catalyze a reaction.
A prosthetic group
Lactose
Pi
Imprinting
24. The physical place where a particular organism lives. It must include all the factors that will support its life and reproduction.
The evolution leading to Homo Sapiens...
A catalyst
Habitat
Hypothalamus
25. Is a phylum that contains jellyfish - hydra - etc.
Cnidaria
Enzymes catalyze reactions
Cellular Respiration
Photolysis is a reaction of photosynthesis where
26. The class composed of birds.
Stem tissues
Aves
Ribonucleic acid
Population
27. Occurs when two populations are geographically isolated from each other. Over time this results in the production of two separate species.
Very specific
Allopatric speciation
Phyla
Vascular bundles
28. Are the monomers that form nucleic acids - containing a sugar - phosphate group - and a nitrogenous base.
Desert
Restriction enzymes
Nucleotides
The Cell Theory
29. The total amount of genetic information available for a given species.
Genome
The community
Habituation
R-selection
30. Is an abundant element found in protoplasm. Together with oxygen - hydrogen - and nitrogen - it composes over 90% of cellular structure.
Annelida
Simple fruits
Carbon
Precambrian period
31. The number of organisms in a given community - can be above or below the carrying capacity.
A hydrogen bond
The Cell Theory
Arthropoda
Population
32. Contain one celled eukaryotes such as algae and protozoa.
Adenine
Kingdom Protista
Kingdom Plantae
About five million years ago...
33. Sex-linked recessive disorder carried on the x chromosome defined by the absence of one or more proteins required for blood clotting
The salivary gland
Hemophilia
Nucleotides
Habitat
34. 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.
Gymnosperms
Kingdom Plantae
Chromosome
Precambrian period
35. The pituitary gland.
Share electrons
Interphase
A sudden change in the amount of extracellular fluid will be corrected by events following the release of substances from this organ.
Epidermal tissue
36. An orienting response to light.
Phototropism
Share electrons
Filtered by the liver
Nucleotides
37. Is weaker than ionic - covalent - disulfide - or double bonds.
A hydrogen bond
A catalyst
Blastula
Ectoderm
38. 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.
Saprophytic
B Cells
The adrenal glands
The Cell Theory
39. 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).
Stem tissues
Cytosine
Phloem tissue
Scurvy
40. Process of breaking down complex materials (foods) to form simpler substances and release energy.
Catabolism
Ecological niches open up
Natality
Altruism
41. In DNA Guanine pairs with...
Recycled environmental factors
The products of the Krebs cycle
Cytosine
Vascular bundles
42. Controls balance and muscle coordination
Biosphere
Phloem tissue
Cerebellum
Habituation
43. Are cells involved in immunity and are produced in bone marrow as stem cells.
The Cell Theory
Lymphocytes
An enzyme
An inhibitor
44. Produce seeds without flowers. They include conifers (cone-bearers) and cycads.
Differential reproduction
Gymnosperms
The pancreas
Prothallus
45. Transparency - polarity - high specific heat - and density (lower density when solid than when liquid.).
Paleozoic era
The biosphere
Through nitrogen fixing bacteria and lighting
Characteristics of water valuable to living organisms
46. Are more closely related to Homo Sapiens than to other apes - but Homo Sapiens did not evolve from chimpanzees.
A lysosome
Balance
Chimpanzees
Cell walls
47. Are where the sugars synthesized by photosynthesis travel through to various parts of the plant.
A gene is
The Hardy-Weinberg Law of Equilibrium
Vascular bundles
Lysosomes
48. Mass extinctions promote diversification because _______________ - making conditions favorable for the establishment of new - diverse species.
Ecological niches open up
Kingdom Animalia
Cerebrum
B Cells
49. Carbon - Hydrogen - Oxygen - and Nitrogen
Cellular Metabolism
Endocytic vesicles
R-selection
Common elements found in proteins
50. Respiratory organs within insects
Cuticle
Spiracles
Mesoderm
Aves