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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. 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 species role in the food chain is part of its
A mutation
The key limiting factor on cell size
Lysis
2. Is the waxy protective outer coating of leaves.
Larynx
The cuticle
Common elements found in proteins
Cuticle
3. The preservation of the integrity of genetic information from one generation to another.
Mesozoic era
Genetic maintenance
The pancreas
Kingdom Protista
4. 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.
A species role in the food chain is part of its
Mesoderm
Mitochondria
Imprinting
5. A hydrogen bond involves the ________________ and can be easily broken.
Attraction of atoms of different polarity
Chromatin
Plasmodesmata
Kingdom Protista
6. Is the major component of sand and is the most abundant element found in the lithosphere. It is not recycled.
Iisotonic state
Lactose
Phosphorous
Silicon
7. Algae and Protozoa belong to the kingdom...
Kingdom Protista
Protista
Ecological niches open up
The pancreas
8. Sex-linked recessive disorder carried on the x chromosome defined by the absence of one or more proteins required for blood clotting
Color blindness
Genetic imprinting
Bronchi
Hemophilia
9. Is a phylum that contains jellyfish - hydra - etc.
Aganatha
Cnidaria
Multiple fruit
As energy is transferred through trophic levels
10. Are easily converted to ATP - but the main energy products of the Krebs cycle liberate electrons then used in the electron transfer reactions.
Altruism
The products of the Krebs cycle
Centrioles
Photolysis is a reaction of photosynthesis where
11. 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.
Prosthetic groups
The cuticle
Common elements found in proteins
The Cambrian Period
12. High temperatures
Carbon
A gene is
Destroy most enzymes
Catabolism
13. Is when expression of genetic traits is determined by weather the trait is inherited from the mother or the father.
Genetic imprinting
Precambrian period
R-selection
Population
14. The bronchi lead to the two lungs where they branch out in all directions into smaller tubules known as bronchioles.
Cnidaria
Bronchi
Natality
DNA produces particular genetic traits through
15. Studied the relationships between traits expressed in parents and offspring and the genes that caused the traits to be expressed.
Scurvy
Plasmodesmata
Gregor Medel
The community
16. Covers and protects the leaf.
Meristem tissue
Cenozoic era
Porifera
Cuticle
17. Are the organelles where cellular respiration occurs.
Cytosine
Pharynx
Mitochondria
Spiracles
18. It secretes saliva which enters the digestive tract and aids the digestive process.
The salivary gland
Aves
Morula
The nucleus
19. All store energy within their chemical bonds.
Very specific
Cellulose - starch - lipid - and sugar molecules
Savanna
Stem tissues
20. Anabolism
The synthesis of ATP molecules to store energy is an example of
Plasmodesmata
Trachea
Internodal tissue
21. The pituitary gland.
A sudden change in the amount of extracellular fluid will be corrected by events following the release of substances from this organ.
Gregor Medel
Through nitrogen fixing bacteria and lighting
The evolution leading to Homo Sapiens...
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.
Allopatric speciation
Very specific
Successful reproduction
The Cell Theory
23. Channels is cell membranes that carry water between cells.
Ectoderm
Anabolism
The evolution leading to Homo Sapiens...
Plasmodesmata
24. Allows for the genetic code to be preserved in future generations of cells.
DNA replication
The habitat of an organism includes
Meristem tissue
The primary role of DNA in the cell
25. A cell will only remain stable if the surface area of the plasma membrane maintains a __________ with the volume of the cytoplasm.
DNA produces particular genetic traits through
About five million years ago...
Balance
Gametocide
26. Includes all living and nonliving components of the Earth to support living things.
Differential reproduction
The nucleus
Natality
The biosphere
27. The lineage that led to the modern Homo Sapiens diverged from the lineage that led to the modern chimpanzee.
The hormone aldosterone
Aves
About five million years ago...
Aggregate fruit
28. Is a protein - which is a polymer of amino acids. They generally have the suffix -ase- like lactase.
Lysis
An inhibitor
The nucleus
An enzyme
29. Niche
Successful reproduction
A species role in the food chain is part of its
Biogeochemical cycles
parasitic
30. The class composed of birds.
Scurvy
Aves
The theory of punctuated equilibrium
Anabolism
31. Contain organisms that are multicellular eukaryotes including vertebrates and invertebrates.
The products of the Krebs cycle
T Cells
Vitamins
Kingdom Animalia
32. Is found in the root cap and is responsible for quick growth in the roots.
Meristem tissue
The cuticle
Habituation
Precambrian period
33. Attaches to an enzyme and blocks the enzyme reaction rather than enhancing it - like a prosthetic group would.
Chlorophyll has the ability to
Free ribosomes
An inhibitor
Gnathostomata
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
Aggregate fruit
Prothallus
Adenine
A lysosome
35. An orienting response to light.
Niche
Prothallus
About five million years ago...
Phototropism
36. Controls hunger and thirst
Kingdom Fungi
Hypothalamus
Carrying capacity
Germ layers
37. Approximately 7 - making it neither basic (under 7) nor alkaline (over 7).
Silicon
pH of Water
Enzymes catalyze reactions
Genetic imprinting
38. 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.
Anabolism
Genetic imprinting
Internodal tissue
A gene is
39. Are more closely related to Homo Sapiens than to other apes - but Homo Sapiens did not evolve from chimpanzees.
The community
C ---OH
Chimpanzees
Characteristics of water valuable to living organisms
40. Produces the most ATP molecules - yielding 34 ATPs per glucose molecule.
Cytosine
Electron Transfer System (ETS)
Gregor Medel
Cnidaria
41. A sex-linked recessive disorder carried on the x chromosome in which an individual cannot perceive certain colors.
Lymphocytes
Color blindness
Silicon
Pi
42. Decomposition of living matter for consumption.
The cell membrane
The habitat of an organism includes
Restriction enzymes
parasitic
43. Is an ion that binds to an enzyme making it more able to catalyze a reaction.
Electron Transfer System (ETS)
A prosthetic group
Chlorophyll has the ability to
Prothallus
44. Some enzymes contain a __________ component that is essential to their functions.
Stem tissues
Non-protein
Bronchi
Meristem tissue
45. Is very rare and is not absorbed by plant leaves. Phosphorous is nearly always found in solid form.
The synthesis of ATP molecules to store energy is an example of
Cnidaria
Phosphorous gas
Differential reproduction
46. The phyla of sponges.
Pi
The nucleus
Mesozoic era
Porifera
47. Is found on the stem between nodes.
Endoderm
DNA produces particular genetic traits through
Internodal tissue
Endocytic vesicles
48. Has extreme cold temperatures - low precipitation - modified grassland - perma-frost - a short growing season and some plants and animals.
Carrying capacity
The pituitary gland
Tundra
The cell's 'powerhouses'
49. Contains optic lobes - controls sight.
Hemophilia
Larynx
The nucleus
Midbrain
50. Are cells involved in immunity and are produced in bone marrow as stem cells.
Lymphocytes
The evolution leading to Homo Sapiens...
Germ layers
Parenchyma tissue