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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. Algae and Protozoa belong to the kingdom...
Chromatin
Protista
Mature sporophyte
Lymphocytes
2. Is composed of an anterior and posterior lobe. The stalk of the lobe is connected to the hypothalamus. Antidiuretic Hormone (AH) is produced in the hypothalamus and stored in the posterior pituitary. Upon nervous stimulation from the hypothalamus - t
Ecological niches open up
Angiosperms
Saprophytic
The pituitary gland
3. Is composed of a double layer (bilayer) of phospholipids with protein globules imbedded within the layers. The construction of the membrane allows it to aid the function of the cell by permitting entrance and exit of molecules as needed by the cell.
The cell membrane
Internodal tissue
Biogeochemical cycles
Early hominids...
4. The solid mass of cells resulting from the cleavage of the ovum before the formation of a blastula.
Midbrain
Catabolism
Morula
Porifera
5. 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.
Lactose
Lymphocytes
A lysosome
Pharynx
6. Veins in the leaf and are also distributed throughout the stem
Cerebrum
Vascular bundles make up the
Cell walls
Protista
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.
Ribonucleic acid
The Cambrian Period
Interphase
parasitic
8. Is the organelle where cellular reproductive processes occur.
The nucleus
The primary role of DNA in the cell
Bronchi
Aves
9. The individual we recognize as an adult fern.
North America
Phloem tissue
Ectoderm
Mature sporophyte
10. Is a phylum that contains sponges.
Meristem tissue
Habituation
Porifera
The Cell Theory
11. Ended with the extinction of the dinosaurs.
Mesozoic era
Share electrons
Habituation
The Nitrogen cycle
12. Controls sensory and motor responses - and controls memory - speech - and intelligence factors.
Attraction of atoms of different polarity
Aggregate fruit
Cerebrum
Epidermal tissue
13. Produce seeds without flowers. They include conifers (cone-bearers) and cycads.
Protista
Gymnosperms
The nucleus
Vitamins
14. Super-class of vertebrae including organisms with no jaws.
The key limiting factor on cell size
Kingdom Fungi
Meristem tissue
Aganatha
15. Produce adrenaline. This hormone is a well-known constrictor of blood vessels.
Mesozoic era
Prothallus
R-selection
The adrenal glands
16. Is a kingdom that includes algae and protozoa.
Balance
Kingdom Plantae
The community
Protista
17. The pituitary gland.
Natality
Genetic imprinting
A sudden change in the amount of extracellular fluid will be corrected by events following the release of substances from this organ.
R-selection
18. 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.
Lymphocytes
Mesoderm
Iisotonic state
Sudden appearance and disappearance of fossil species
19. The bronchi lead to the two lungs where they branch out in all directions into smaller tubules known as bronchioles.
Iisotonic state
Bronchi
Genetic screening
Characteristics of water valuable to living organisms
20. Refers to the birthrate of a population.
Anabolsim
The cell's 'powerhouses'
Lysosomes
Natality
21. Is a packet of digestive enzymes that destroy cellular wastes.
Endocytic vesicles
Tundra
Paleozoic era
A lysosome
22. Are surrounded by capillaries that allow for carbon dioxide to diffuse into the lungs and oxygen to diffuse out.
Alveoli
Porifera
Vitamins
Gametocide
23. 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
Larynx
Lymphocytes
Simple fruits
24. In both living and non-living environments.
Enzymes catalyze reactions
pH of Water
Biogeochemical cycles
Natality
25. Fruits that develop from a single ripened ovary (apple - olive - acorn - cucumber).
Annelida
Cytosine
Simple fruits
Ecotone
26. Produce antibodies into the bloodstream that find and attach themselves to foreign antigens (toxins - bacteria).
Meristem tissue
B Cells
Genetic screening
Prosthetic groups
27. Where protein synthesis occurs. They float unattached in the cytoplasm. They contain RNA that is specific to their function in protein formation.
Free ribosomes
B Cells
Plasmodesmata
Germ layers
28. When the water concentration inside and outside the cell is equal - It is said to be in an...
DNA produces particular genetic traits through
Xylem tissue
Mitochondria
Iisotonic state
29. Is found on the stem between nodes.
Cerebellum
Cellular Metabolism
Internodal tissue
Gymnosperms
30. 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
Differential reproduction
Balance
Xylem tissue
31. 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.
Will increase the reaction rate
Saprophytic
Cellular Metabolism
Imprinting
32. 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.
Scurvy
Vitamin C
Non-protein
Filtered by the liver
33. A hydrogen bond involves the ________________ and can be easily broken.
Attraction of atoms of different polarity
The community
parasitic
The synthesis of ATP molecules to store energy is an example of
34. The phyla composed of segmented worms.
Annelida
Electron Transfer System (ETS)
An inhibitor
The primary role of DNA in the cell
35. Include: Vascular tissue - including both xylem and phloem - and sieve plates existing between cells of the stem.
An inhibitor
Biogeochemical cycles
Stem tissues
Meristem tissue
36. Stood upright before there was an increase in brain size.
Altruism
Early hominids...
The pituitary gland
Precambrian period
37. Occurs when two populations are geographically isolated from each other. Over time this results in the production of two separate species.
Gametogenesis
Allopatric speciation
An enzyme
Cenozoic era
38. The sharp boundary of an ecosystem.
Trachea
Isotonic Conditions
Ecotone
T Cells
39. 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
Phosphorous gas
Cell walls
The cell membrane
Circadian rhythms
40. The process whereby cells build molecules and store energy (in the form of covalent chemical bonds).
Anabolsim
Pharynx
The pituitary gland
Cuticle
41. 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
Will increase the reaction rate
Cellular Metabolism
Angiosperms
DNA produces particular genetic traits through
42. Includes all living and nonliving components of the Earth to support living things.
The biosphere
Cell walls
Gene Migration
Adenine
43. Occurs when an individual learns not to respond to a particular stimulus - for instance when a stimulus is repeated many times without consequence.
Through nitrogen fixing bacteria and lighting
Habituation
Blastula
Hypothalamus
44. Inorganic phosphate
DNA produces particular genetic traits through
Pi
The key limiting factor on cell size
Gene Migration
45. Biotic (living) factors such as population and food source - and abiotic (non-living) factors such as weather - temperature - soil features - sunlight).
Meristem tissue
The habitat of an organism includes
Biogeochemical cycles
Biosphere
46. The phyla of round worms.
Chimpanzees
Nematoda
Saprophytic
The synthesis of ATP molecules to store energy is an example of
47. The class composed of birds.
Non-protein
Arthropoda
Aves
Plasmodesmata
48. Is comprised of all the organisms that interact within a given ecosystem whether or not it is at carrying capacity.
Natality
The community
Lysosomes
The products of the Krebs cycle
49. The physical place where a particular organism lives. It must include all the factors that will support its life and reproduction.
Early hominids...
The cuticle
Lymphocytes
Habitat
50. Some energy is lost as heat and becomes unusable.
Recycled environmental factors
Epidermal tissue
Cellulose - starch - lipid - and sugar molecules
As energy is transferred through trophic levels