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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. Provide rigidity to plant cells (and some bacteria) and are not found within animal cells.
Chromosome
The Nitrogen cycle
Cell walls
Phosphorous
2. Is a special protein that acts as a catalyst for organic reactions.
Stem tissues
Gregor Medel
Gametocide
An enzyme
3. The sharp boundary of an ecosystem.
Larynx
The salivary gland
Ecotone
Lymphocytes
4. Where protein synthesis occurs. They float unattached in the cytoplasm. They contain RNA that is specific to their function in protein formation.
Free ribosomes
The evolution leading to Homo Sapiens...
A sex linked recessive disease
Mesozoic era
5. This is a carboxyl group and is the signature group found within organic acids.
C ---OH
Genetic screening
Cell walls
An enzyme
6. Is a coenzyme required in the synthesis of collagen.
Chordata
Vitamin C
Imprinting
Cellulose - starch - lipid - and sugar molecules
7. Attaches to an enzyme and blocks the enzyme reaction rather than enhancing it - like a prosthetic group would.
Protista
An inhibitor
Characteristics of water valuable to living organisms
Desert
8. Are the monomers that form nucleic acids - containing a sugar - phosphate group - and a nitrogenous base.
Chlorophyll
R-selection
Nucleotides
The salivary gland
9. Has extreme cold temperatures - low precipitation - modified grassland - perma-frost - a short growing season and some plants and animals.
Chromatin
Tundra
Phototropism
Filtered by the liver
10. 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.
Bronchi
Stomach secretions
Genetic imprinting
Free ribosomes
11. Includes all living and nonliving components of the Earth to support living things.
Filtered by the liver
The biosphere
Chimpanzees
Destroy most enzymes
12. Breaking down
The cuticle
Cellular Respiration
Catabolism
DNA replication
13. Consists of undifferentiated cells capable of quick growth and specialization. It is responsible for elongation of the stem.
A lysosome
Meristem tissue
Electron Transfer System (ETS)
Gametogenesis
14. Secretes insulin to lower blood sugar and maintain equilibrium. A person eats three candy bars. Within minutes this endocrine gland affects blood-glucose homeostasis.
Carrying capacity
The pancreas
Differential reproduction
The Cambrian Period
15. In both living and non-living environments.
Recycled environmental factors
Enzymes catalyze reactions
Catabolism
Gametogenesis
16. May be ions or non-protein molecules - they are similar to cofactors - but differ in that they are tightly attached by covalent bonds to the enzyme - rather than being separate atoms or molecules.
Ecological niches open up
Mature sporophyte
Prosthetic groups
Gametogenesis
17. The bronchi lead to the two lungs where they branch out in all directions into smaller tubules known as bronchioles.
Cenozoic era
The products of the Krebs cycle
The Hardy-Weinberg Law of Equilibrium
Bronchi
18. Is the organelle where cellular reproductive processes occur.
Balance
The nucleus
Midbrain
Saprophytic
19. Has an equal (50%) chance of being passed from a carrier mother to a son or a daughter.
Cytosine
Annelida
Phototropism
A sex linked recessive disease
20. Protein synthesis
DNA produces particular genetic traits through
R-selection
Phosphorous
Protista
21. 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.
Cuticle
Adenine
Gene Migration
Chromosome
22. (of some plants or fungi) feeding on dead or decaying organic matter
Saprophytic
Circadian rhythms
Centrioles
The theory of punctuated equilibrium
23. Is an ion that binds to an enzyme making it more able to catalyze a reaction.
Genome
Lymphocytes
A prosthetic group
Gregor Medel
24. Niche
Biosphere
A species role in the food chain is part of its
Habitat
Characteristics of water valuable to living organisms
25. Controls hunger and thirst
The cell membrane (plasma membrane)
Successful reproduction
Share electrons
Hypothalamus
26. When the water concentration inside and outside the cell is equal - It is said to be in an...
Precambrian period
Chlorophyll has the ability to
Iisotonic state
An enzyme
27. Is comprised of all the organisms that interact within a given ecosystem whether or not it is at carrying capacity.
Non-protein
Genome
The community
Ribonucleic acid
28. 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
Gametocide
Phosphorous
Chimpanzees
Circadian rhythms
29. Process in which elements - chemical compounds - and other forms of matter are passed from one organism to another and from one part of the biosphere to another.
Endocytic vesicles
Free ribosomes
The Hardy-Weinberg Law of Equilibrium
Biogeochemical cycles
30. Fruits that develop from a single ripened ovary (apple - olive - acorn - cucumber).
Simple fruits
Through nitrogen fixing bacteria and lighting
The cuticle
Attraction of atoms of different polarity
31. A hydrogen bond involves the ________________ and can be easily broken.
The primary role of DNA in the cell
T Cells
Attraction of atoms of different polarity
Interphase
32. Plants and animals obtain usable nitrogen
Alveoli
Through nitrogen fixing bacteria and lighting
Phosphorous gas
Protista
33. Is the outermost layer of cells of the stem.
The biosphere
The products of the Krebs cycle
Epidermal tissue
Stem tissues
34. Include: Vascular tissue - including both xylem and phloem - and sieve plates existing between cells of the stem.
Niche
Stem tissues
Chimpanzees
Cytosine
35. 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.
Vitamins
Isotonic Conditions
A hydrogen bond
The nucleus
36. The phyla of sponges.
Circadian rhythms
Porifera
Hemophilia
Stomach secretions
37. Subsets below the kingdom level
Cellulose - starch - lipid - and sugar molecules
Hydrolysis
Germ layers
Phyla
38. 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.
Bronchi
Vascular bundles
The theory of punctuated equilibrium
Mitochondria
39. Contains optic lobes - controls sight.
The theory of punctuated equilibrium
Interphase
Midbrain
About five million years ago...
40. The phyla of round worms.
Nematoda
Iisotonic state
The Cambrian Period
Ionic bonds involve
41. The total amount of genetic information available for a given species.
The cuticle
An enzyme
Genome
Cnidaria
42. The destruction of gametes - (sex cells such as sperm and eggs).
Gametocide
Angiosperms
Fixed Action Pattern (FAP)
Ecological niches open up
43. A reaction that adds water to another compound. (2 hydrogens - 1 oxygen).
Habitat
Hydrolysis
Nucleotides
Color blindness
44. Is a compound fruit that develops from many ovaries of a single flower fusing together (raspberry).
Aggregate fruit
Mitochondria
An enzyme
pH of Water
45. Algae and Protozoa belong to the kingdom...
Protista
The key limiting factor on cell size
Iisotonic state
A species role in the food chain is part of its
46. The preservation of the integrity of genetic information from one generation to another.
Cellular Metabolism
Chlorophyll
Genetic maintenance
Mitochondria
47. Layer that will become the skin - some endocrine glands - and the nervous system.
Interphase
Sudden appearance and disappearance of fossil species
Ectoderm
Desert
48. Super-class of vertebrae including organisms with jaws.
Chromatin
Gnathostomata
Phloem tissue
Endoderm
49. Is a protein - which is a polymer of amino acids. They generally have the suffix -ase- like lactase.
pH of Water
Restriction enzymes
Nematoda
An enzyme
50. Produce antibodies into the bloodstream that find and attach themselves to foreign antigens (toxins - bacteria).
Vitamins
Kingdom Animalia
A sex linked recessive disease
B Cells