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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. Transfers water and does not require sieve plates to allow nutrients through.
The products of the Krebs cycle
Destroy most enzymes
Xylem tissue
Forebrain
2. Are where the sugars synthesized by photosynthesis travel through to various parts of the plant.
Mesozoic era
Vascular bundles
Characteristics of water valuable to living organisms
Aggregate fruit
3. The phyla composed of segmented worms.
Chordata
The habitat of an organism includes
An enzyme
Annelida
4. 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.
Stem tissues
Free ribosomes
A sex linked recessive disease
Filtered by the liver
5. Are membrane-bound organelles that contain digestive enzymes that digest dead or unused material within the cell or materials absorbed by the cell for use.
Mature sporophyte
R-selection
Ectoderm tissue
Lysosomes
6. Channels is cell membranes that carry water between cells.
Chimpanzees
Paleozoic era
Plasmodesmata
Precambrian period
7. An orienting response to light.
The evolution leading to Homo Sapiens...
Endoderm
Phototropism
The theory of punctuated equilibrium
8. Is an ion that binds to an enzyme making it more able to catalyze a reaction.
Attraction of atoms of different polarity
Common elements found in proteins
A sex linked recessive disease
A prosthetic group
9. Covalent bonds
The products of the Krebs cycle
pathogenic
Share electrons
Common elements found in proteins
10. The individual we recognize as an adult fern.
A sex linked recessive disease
Mature sporophyte
Centrioles
Adenine
11. 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.
parasitic
Gene Migration
Midbrain
Phosphorous
12. 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.
Through nitrogen fixing bacteria and lighting
Carbon
Mesozoic era
A gene is
13. An opportunistic life strategy strategy. Lichens invading a bare rock area after a volcanic eruption is an example.
R-selection
Blastula
Isotonic Conditions
The Cambrian Period
14. The pituitary gland.
Carbon
A sudden change in the amount of extracellular fluid will be corrected by events following the release of substances from this organ.
Centrioles
Aganatha
15. 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.
Silicon
The pancreas
Isotonic Conditions
Chromatin
16. 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 sex linked recessive disease
Genetic imprinting
Iisotonic state
A mutation
17. Is found in the root cap and is responsible for quick growth in the roots.
Filtered by the liver
Will increase the reaction rate
Meristem tissue
Tundra
18. 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.
Catabolism
Internodal tissue
An enzyme
Prosthetic groups
19. 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.
The biosphere
Interphase
Ribonucleic acid
Imprinting
20. (of some plants or fungi) feeding on dead or decaying organic matter
Saprophytic
Mature sporophyte
Population
Circadian rhythms
21. Contain organisms that are multicellular eukaryotes including vertebrates and invertebrates.
Mature sporophyte
Destroy most enzymes
Kingdom Animalia
Gnathostomata
22. Occurs when an individual learns not to respond to a particular stimulus - for instance when a stimulus is repeated many times without consequence.
Niche
A catalyst
Biogeochemical cycles
Habituation
23. Provide rigidity to plant cells (and some bacteria) and are not found within animal cells.
The pancreas
Cell walls
Free ribosomes
Porifera
24. Is a packet of digestive enzymes that destroy cellular wastes.
Forebrain
Electron Transfer System (ETS)
Gymnosperms
A lysosome
25. The physical place where a particular organism lives. It must include all the factors that will support its life and reproduction.
Vascular bundles make up the
Lymphocytes
Habitat
The key limiting factor on cell size
26. Is the number of organisms that can be supported within a particular ecosystem.
Successful reproduction
Carrying capacity
An enzyme
Ribonucleic acid
27. Mass extinctions promote diversification because _______________ - making conditions favorable for the establishment of new - diverse species.
Epidermal tissue
Chromosome
Ecological niches open up
Meristem tissue
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
The cell's 'powerhouses'
The hormone aldosterone
Savanna
Phosphorous
29. Is a kingdom that includes algae and protozoa.
The pancreas
Protista
Allopatric speciation
Ectoderm tissue
30. Is the outermost layer of cells of the stem.
Epidermal tissue
Spiracles
A lysosome
Enzymes catalyze reactions
31. Contains organisms that are multicellular eukaryotes including molds and mushrooms.
Phototropism
Blastula
Kingdom Fungi
Successful reproduction
32. Produce seeds without flowers. They include conifers (cone-bearers) and cycads.
Trachea
Ecological niches open up
Bryophytes
Gymnosperms
33. The vocal cords are found in the larynx.
Endocytic vesicles
Spiracles
Larynx
The cell membrane (plasma membrane)
34. 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 nucleus
A prosthetic group
Mitochondria
35. 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.
Niche
Ectoderm
The biosphere
Stomach secretions
36. Is a molecule that stores information for protein synthesis and genetic coding.
Mitochondria
Xylem tissue
Ribonucleic acid
Non-protein
37. Is when expression of genetic traits is determined by weather the trait is inherited from the mother or the father.
A lysosome
The evolution leading to Homo Sapiens...
Genetic imprinting
The habitat of an organism includes
38. An enzyme is unaffected by the reactions it catalyzes
Cell walls
So it can be used over and over again.
A gene is
The nucleus
39. Is a disease caused by lack of vitamin C in which the body is unable to build enough collagen (a major component of connective tissue).
Imprinting
Scurvy
R-selection
Multiple fruit
40. Layer that will become the gut lining as well as some accessory structures.
Phyla
Carrying capacity
Endoderm
Ionic bonds involve
41. Are easily converted to ATP - but the main energy products of the Krebs cycle liberate electrons then used in the electron transfer reactions.
Mesozoic era
Attraction of atoms of different polarity
The products of the Krebs cycle
Simple fruits
42. Niche
Cerebrum
A species role in the food chain is part of its
Ecological niches open up
Meristem tissue
43. Layer that will become the skin - some endocrine glands - and the nervous system.
Ectoderm
The Hardy-Weinberg Law of Equilibrium
Meristem tissue
Germ layers
44. Proposes that those individuals within a population that are most adapted to the environment are also the most likely individuals to produce viable offspring.
Simple fruits
Differential reproduction
Circadian rhythms
Mature sporophyte
45. Is a coenzyme required in the synthesis of collagen.
Chromosome
Vitamin C
Arthropoda
Ecotone
46. Fruits that develop from a single ripened ovary (apple - olive - acorn - cucumber).
Vascular bundles
Simple fruits
Saprophytic
Annelida
47. Refers to the birthrate of a population.
Natality
Pi
Recycled environmental factors
Altruism
48. Is the outermost of the three main layers of an embryo.
Nucleotides
Stem tissues
Ectoderm tissue
Gene Migration
49. Carbon - Hydrogen - Oxygen - and Nitrogen
Precambrian period
Common elements found in proteins
Bronchi
The primary role of DNA in the cell
50. Is the process that releases energy for use by the cell.
Chordata
Ionic bonds involve
Cellular Respiration
Lymphocytes