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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. The class composed of birds.
Through nitrogen fixing bacteria and lighting
Aves
Parenchyma tissue
Carbon
2. Consists of undifferentiated cells capable of quick growth and specialization. It is responsible for elongation of the stem.
Ionic bonds involve
Meristem tissue
Balance
Ecological niches open up
3. Is a protein - which is a polymer of amino acids. They generally have the suffix -ase- like lactase.
A catalyst
The Nitrogen cycle
The pituitary gland
An enzyme
4. Is a social behavior of an organism that is beneficial to the group at the individual's expense.
Hemophilia
Phloem tissue
Altruism
Anabolsim
5. Is a compound fruit that forms from several ovaries of separate flowers that fuse together during ripening (strawberry - or pineapple).
Biogeochemical cycles
Multiple fruit
Common elements found in proteins
A lysosome
6. Occurs when two populations are geographically isolated from each other. Over time this results in the production of two separate species.
Allopatric speciation
Anabolsim
Paleozoic era
Common elements found in proteins
7. Is the period when the cell is active in carrying on the function it was designed to perform within the organism. Cells spend much more time in interphase than in cell division.
Common elements found in proteins
A mutation
Genetic maintenance
Interphase
8. 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
A hydrogen bond
Bronchi
Simple fruits
Circadian rhythms
9. Are the organelles where cellular respiration occurs.
R-selection
The pancreas
Mitochondria
Genome
10. Is a phylum that contains jellyfish - hydra - etc.
Bryophytes
Cnidaria
Protista
The Cambrian Period
11. 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.
A sex linked recessive disease
Pharynx
Anabolism
DNA replication
12. Develops from the morula as a thin layer of cells surrounding an internal cavity.
The Hardy-Weinberg Law of Equilibrium
Blastula
Color blindness
A mutation
13. In DNA Thymine pairs with...
Phyla
Epidermal tissue
Adenine
The nucleus
14. Are easily converted to ATP - but the main energy products of the Krebs cycle liberate electrons then used in the electron transfer reactions.
Genetic imprinting
Forebrain
Vitamin C
The products of the Krebs cycle
15. Cleave strands of DNA segments at certain sites.
Internodal tissue
Phototropism
Restriction enzymes
Nucleotides
16. All store energy within their chemical bonds.
Cellulose - starch - lipid - and sugar molecules
Phototropism
The Hardy-Weinberg Law of Equilibrium
The cuticle
17. Decomposition of living matter for consumption.
A sudden change in the amount of extracellular fluid will be corrected by events following the release of substances from this organ.
Isotonic Conditions
Filtered by the liver
parasitic
18. Synthesis
Vitamins
Anabolism
Annelida
A catalyst
19. Is an ion that binds to an enzyme making it more able to catalyze a reaction.
pathogenic
A gene is
Ionic bonds involve
A prosthetic group
20. There was extensive radiation of fish during the Devonian and Silurian periods within the Paleozoic Era.
DNA produces particular genetic traits through
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 salivary gland
21. Has extreme hot or cold temperatures - with very low precipitation - sandy or rocky terrain - sparse vegetation (mainly succulents) - small animals - rodents - and reptiles.
The biosphere
Desert
Ectoderm tissue
Restriction enzymes
22. Is weaker than ionic - covalent - disulfide - or double bonds.
DNA replication
Blastula
Carrying capacity
A hydrogen bond
23. Digestive enzymes - hydrochloric acid - and gastric juices which aid in digestion. The mucous secreted by the stomach protects the stomach lining from the acids and juices.
Stomach secretions
Vitamin C
Nucleotides
Meristem tissue
24. Is the process that releases energy for use by the cell.
Cellular Respiration
The primary role of DNA in the cell
Prothallus
Will increase the reaction rate
25. Process of breaking down complex materials (foods) to form simpler substances and release energy.
A catalyst
Catabolism
Xylem tissue
A mutation
26. When the water concentration inside and outside the cell is equal - It is said to be in an...
Biogeochemical cycles
Iisotonic state
Chromosome
Germ layers
27. Carbon - nitrogen - phosphorous - and water. These are all recycled through biogeochemical processes.
Natality
Anabolism
Chordata
Recycled environmental factors
28. 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.
Habituation
Enzymes catalyze reactions
Imprinting
Pharynx
29. 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.
Germ layers
Color blindness
The nucleus
Kingdom Animalia
30. Some energy is lost as heat and becomes unusable.
DNA replication
Iisotonic state
Interphase
As energy is transferred through trophic levels
31. High temperatures
Destroy most enzymes
Chordata
Gnathostomata
Did not evolve together
32. The phyla composed of segmented worms.
Habitat
Annelida
Mitochondria
Pi
33. A hydrogen bond involves the ________________ and can be easily broken.
pH of Water
The salivary gland
Chromosome
Attraction of atoms of different polarity
34. A reaction that adds water to another compound. (2 hydrogens - 1 oxygen).
Hydrolysis
Habituation
Ectoderm tissue
R-selection
35. 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
A species role in the food chain is part of its
Phototropism
The Cambrian Period
An inhibitor
36. Includes all living and nonliving components of the Earth to support living things.
Cenozoic era
The pituitary gland
Stomach secretions
The biosphere
37. Mass extinctions promote diversification because _______________ - making conditions favorable for the establishment of new - diverse species.
Natality
Ecological niches open up
The evolution leading to Homo Sapiens...
pathogenic
38. 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
Prothallus
Sudden appearance and disappearance of fossil species
Cellulose - starch - lipid - and sugar molecules
39. Ended with the extinction of the dinosaurs.
The cell membrane (plasma membrane)
Mesozoic era
Iisotonic state
Phototropism
40. An opportunistic life strategy strategy. Lichens invading a bare rock area after a volcanic eruption is an example.
Annelida
R-selection
Lysosomes
Electron Transfer System (ETS)
41. Protein synthesis
The habitat of an organism includes
The Hardy-Weinberg Law of Equilibrium
Blastula
DNA produces particular genetic traits through
42. The phyla of sponges.
The adrenal glands
Lysosomes
Porifera
Gametocide
43. Is very rare and is not absorbed by plant leaves. Phosphorous is nearly always found in solid form.
Endoderm
Phototropism
A lysosome
Phosphorous gas
44. The physical place where a particular organism lives. It must include all the factors that will support its life and reproduction.
The hormone aldosterone
Fixed Action Pattern (FAP)
Gnathostomata
Habitat
45. Is more like branching out of a tree with dead ends and new branches appearing simultaneously than like steps on a ladder.
Ectoderm
The evolution leading to Homo Sapiens...
So it can be used over and over again.
The key limiting factor on cell size
46. Transparency - polarity - high specific heat - and density (lower density when solid than when liquid.).
Internodal tissue
Altruism
Prothallus
Characteristics of water valuable to living organisms
47. Contain organisms that are multicellular eukaryotes including vertebrates and invertebrates.
Kingdom Animalia
Paleozoic era
Imprinting
Pi
48. 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.
Lysis
Lymphocytes
The Cambrian Period
Chromosome
49. A cell will only remain stable if the surface area of the plasma membrane maintains a __________ with the volume of the cytoplasm.
Adenine
Balance
An inhibitor
Endoderm
50. Is the outermost of the three main layers of an embryo.
The pituitary gland
Tundra
Ectoderm tissue
An enzyme