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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 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.
Morula
Gnathostomata
Chimpanzees
The Cambrian Period
2. Anabolism
Cellular Metabolism
Hypothalamus
The synthesis of ATP molecules to store energy is an example of
Natality
3. Cleave strands of DNA segments at certain sites.
Stem tissues
The community
Phosphorous
Restriction enzymes
4. Controls balance and muscle coordination
Cerebellum
Plasmodesmata
Pharynx
Lymphocytes
5. Has loosely packed cells that allow for gas and moisture exchange.
The synthesis of ATP molecules to store energy is an example of
Trachea
Parenchyma tissue
Restriction enzymes
6. In both living and non-living environments.
Enzymes catalyze reactions
pH of Water
Internodal tissue
Genetic maintenance
7. Is a kind of plain characterized by a warm climate - grassland - and seasonally dry climate conditions.
The pancreas
The cuticle
Savanna
The habitat of an organism includes
8. Engages in both passive and active transport.
Chlorophyll has the ability to
The cell membrane (plasma membrane)
Isotonic Conditions
Xylem tissue
9. Are easily converted to ATP - but the main energy products of the Krebs cycle liberate electrons then used in the electron transfer reactions.
The products of the Krebs cycle
Adenine
Meristem tissue
Phototropism
10. 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.
Successful reproduction
Cellulose - starch - lipid - and sugar molecules
Germ layers
Biogeochemical cycles
11. Has extreme hot or cold temperatures - with very low precipitation - sandy or rocky terrain - sparse vegetation (mainly succulents) - small animals - rodents - and reptiles.
Stem tissues
A mutation
Characteristics of water valuable to living organisms
Desert
12. Is the sugar that lactase acts upon.
Mesozoic era
Hypothalamus
Will increase the reaction rate
Lactose
13. Layer that will become the gut lining as well as some accessory structures.
Endoderm
DNA replication
Aganatha
Color blindness
14. 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.
Gene Migration
Chromosome
The cell membrane (plasma membrane)
Lysis
15. An enzyme is unaffected by the reactions it catalyzes
So it can be used over and over again.
An inhibitor
An enzyme
Enzymes catalyze reactions
16. Contains optic lobes - controls sight.
Midbrain
Gymnosperms
Ecological niches open up
Kingdom Plantae
17. Must be present for photosynthesis to occur - it is not used up in the process.
Gene Migration
Chlorophyll
Centrioles
Biosphere
18. The transfer of electrons.
Imprinting
Simple fruits
Ionic bonds involve
The hormone aldosterone
19. The physical place where a particular organism lives. It must include all the factors that will support its life and reproduction.
The cell's 'powerhouses'
Chromatin
Habitat
Bronchi
20. Are surrounded by capillaries that allow for carbon dioxide to diffuse into the lungs and oxygen to diffuse out.
Alveoli
Niche
Tundra
Kingdom Fungi
21. Assumes that there are periods of stability during which little evolutionary change occurs - and that speciation can occur rapidly over a very short period of time.
The theory of punctuated equilibrium
Chordata
Hemophilia
Kingdom Protista
22. Is when expression of genetic traits is determined by weather the trait is inherited from the mother or the father.
Photolysis is a reaction of photosynthesis where
Genetic imprinting
Ecological niches open up
Phototropism
23. Decomposition of living matter for consumption.
parasitic
Habituation
Enzymes catalyze reactions
Saprophytic
24. Produce seeds without flowers. They include conifers (cone-bearers) and cycads.
Gymnosperms
A sudden change in the amount of extracellular fluid will be corrected by events following the release of substances from this organ.
Protista
Paleozoic era
25. Is very rare and is not absorbed by plant leaves. Phosphorous is nearly always found in solid form.
B Cells
Phosphorous gas
Multiple fruit
C ---OH
26. A cell will only remain stable if the surface area of the plasma membrane maintains a __________ with the volume of the cytoplasm.
Mesozoic era
Balance
Mitochondria
pathogenic
27. Is a social behavior of an organism that is beneficial to the group at the individual's expense.
Altruism
Niche
Common elements found in proteins
Did not evolve together
28. Is an ion that binds to an enzyme making it more able to catalyze a reaction.
A prosthetic group
Hypothalamus
Bryophytes
Alveoli
29. Is the process that releases energy for use by the cell.
Cellular Respiration
Gametocide
The Cambrian Period
The hormone aldosterone
30. Veins in the leaf and are also distributed throughout the stem
Successful reproduction
R-selection
Catabolism
Vascular bundles make up the
31. Is weaker than ionic - covalent - disulfide - or double bonds.
Phototropism
Annelida
As energy is transferred through trophic levels
A hydrogen bond
32. Biotic (living) factors such as population and food source - and abiotic (non-living) factors such as weather - temperature - soil features - sunlight).
Gregor Medel
The habitat of an organism includes
Differential reproduction
Kingdom Protista
33. Is more like branching out of a tree with dead ends and new branches appearing simultaneously than like steps on a ladder.
The theory of punctuated equilibrium
The evolution leading to Homo Sapiens...
Angiosperms
Chimpanzees
34. 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.
pathogenic
Sudden appearance and disappearance of fossil species
Altruism
Restriction enzymes
35. Occurs when two populations are geographically isolated from each other. Over time this results in the production of two separate species.
Tundra
Allopatric speciation
Did not evolve together
Hydrolysis
36. The phylum of insects (bees).
Arthropoda
The habitat of an organism includes
Genetic maintenance
Recycled environmental factors
37. Process of breaking down complex materials (foods) to form simpler substances and release energy.
Catabolism
Meristem tissue
pH of Water
Precambrian period
38. Is a phylum that contains jellyfish - hydra - etc.
Hydrolysis
Cnidaria
Larynx
The habitat of an organism includes
39. The destruction of gametes - (sex cells such as sperm and eggs).
Precambrian period
Angiosperms
Cellulose - starch - lipid - and sugar molecules
Gametocide
40. All store energy within their chemical bonds.
The community
Plasmodesmata
Germ layers
Cellulose - starch - lipid - and sugar molecules
41. High temperatures
Xylem tissue
Arthropoda
Destroy most enzymes
Aganatha
42. A sex-linked recessive disorder carried on the x chromosome in which an individual cannot perceive certain colors.
Porifera
Differential reproduction
Color blindness
Aggregate fruit
43. Produce adrenaline. This hormone is a well-known constrictor of blood vessels.
Tundra
Carrying capacity
Attraction of atoms of different polarity
The adrenal glands
44. The process whereby cells build molecules and store energy (in the form of covalent chemical bonds).
The salivary gland
Anabolsim
Phyla
Morula
45. 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.
Natality
Silicon
The pituitary gland
A mutation
46. A suffix meaning 'to break apart.' O || ||
Catabolism
Bryophytes
An enzyme
Lysis
47. There was extensive radiation of fish during the Devonian and Silurian periods within the Paleozoic Era.
Prosthetic groups
Paleozoic era
Hypothalamus
Meristem tissue
48. The effect of a substrate concentration on the initial reaction rate in the presence of a limited amount of enzyme: _________________ as the concentration of substrate is increased until all the enzymes are used - then the reaction rate will level of
Prothallus
Will increase the reaction rate
Ecotone
Prosthetic groups
49. In DNA Thymine pairs with...
Larynx
Cnidaria
Adenine
An inhibitor
50. Include: Vascular tissue - including both xylem and phloem - and sieve plates existing between cells of the stem.
Hydrolysis
Phototropism
Stem tissues
Prothallus