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Test your basic knowledge |
CLEP Biology
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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. The trachea includes the windpipe or larynx in its upper portion - and the glottis - an opening that allows the gases to pass into the two branches known as the bronchi.
Vascular bundles
Trachea
parasitic
C ---OH
2. Produce adrenaline. This hormone is a well-known constrictor of blood vessels.
Chlorophyll
A lysosome
Savanna
The adrenal glands
3. Fruits that develop from a single ripened ovary (apple - olive - acorn - cucumber).
Simple fruits
An enzyme
The products of the Krebs cycle
Attraction of atoms of different polarity
4. When stems bend toward the light it is due to _____________ the hormone auxin - in response to light - migrates from the light to the dark side of the shoot tip. The cells on the dark side now contain more auxin - which causes the cells on that side
The community
Through nitrogen fixing bacteria and lighting
Phototropism
Chromatin
5. 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.
Cenozoic era
Balance
Isotonic Conditions
Pharynx
6. Is a social behavior of an organism that is beneficial to the group at the individual's expense.
Meristem tissue
Altruism
The nucleus
Free ribosomes
7. Is the control of protein synthesis. Genetic traits are expressed and specialization of cells occur as a result of the combination of proteins produced by the DNA of a cell.
Phloem tissue
Saprophytic
Lymphocytes
The primary role of DNA in the cell
8. Approximately 7 - making it neither basic (under 7) nor alkaline (over 7).
pH of Water
The nucleus
Ectoderm
The habitat of an organism includes
9. Carbon - nitrogen - phosphorous - and water. These are all recycled through biogeochemical processes.
Recycled environmental factors
Cytosine
Carbon
Phosphorous gas
10. Contain one celled eukaryotes such as algae and protozoa.
The key limiting factor on cell size
Kingdom Protista
Ribonucleic acid
Vitamin C
11. Is the waxy protective outer coating of leaves.
The salivary gland
The cell membrane (plasma membrane)
Carbon
The cuticle
12. Is a protein - which is a polymer of amino acids. They generally have the suffix -ase- like lactase.
Tundra
The evolution leading to Homo Sapiens...
An enzyme
Gene Migration
13. Respiratory organs within insects
Genetic screening
Altruism
Spiracles
A sudden change in the amount of extracellular fluid will be corrected by events following the release of substances from this organ.
14. The solid mass of cells resulting from the cleavage of the ovum before the formation of a blastula.
Lysosomes
Morula
Ectoderm tissue
The synthesis of ATP molecules to store energy is an example of
15. Is made of stacked cells connected by sieve plates that allow nutrients to pass from cell to cell. They transport food made in the leaves (by photosynthesis) to the rest of the plant).
A species role in the food chain is part of its
The Hardy-Weinberg Law of Equilibrium
Chimpanzees
Phloem tissue
16. 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.
The salivary gland
Gene Migration
The pancreas
The cell membrane (plasma membrane)
17. (of some plants or fungi) feeding on dead or decaying organic matter
An enzyme
Saprophytic
The nucleus
Protista
18. When the water concentration inside and outside the cell is equal - It is said to be in an...
Characteristics of water valuable to living organisms
Genetic screening
Iisotonic state
Circadian rhythms
19. Produce antibodies into the bloodstream that find and attach themselves to foreign antigens (toxins - bacteria).
Savanna
The habitat of an organism includes
B Cells
Paleozoic era
20. Is the outermost of the three main layers of an embryo.
Ectoderm tissue
Cellulose - starch - lipid - and sugar molecules
Angiosperms
Cuticle
21. Breaking down
Adenine
Color blindness
pH of Water
Catabolism
22. The physical place where a particular organism lives. It must include all the factors that will support its life and reproduction.
Habitat
Parenchyma tissue
Photolysis is a reaction of photosynthesis where
T Cells
23. The phyla of round worms.
Through nitrogen fixing bacteria and lighting
Kingdom Protista
Ectoderm tissue
Nematoda
24. Occurs when two populations are geographically isolated from each other. Over time this results in the production of two separate species.
Allopatric speciation
Chromatin
The Cambrian Period
Characteristics of water valuable to living organisms
25. Most fossils of Hominids are from continents other than...
Cuticle
Vascular bundles make up the
Enzymes catalyze reactions
North America
26. The cells of a developing embryo (at the gastrula stage) differentiate into layers - that will later develop into different tissues and organs - including the mesoderm - ectoderm - and endoderm.
Pi
Germ layers
Protista
Angiosperms
27. The role played by an organism in its food chain.
Niche
North America
Carbon
Endocytic vesicles
28. Contains many genes and is a structure comprised of linear DNA and associated proteins.
Meristem tissue
Chromosome
The products of the Krebs cycle
Saprophytic
29. 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
Mesoderm
B Cells
A mutation
30. Plants and animals obtain usable nitrogen
Gametogenesis
Through nitrogen fixing bacteria and lighting
An inhibitor
Spiracles
31. A hydrogen bond involves the ________________ and can be easily broken.
Forebrain
Pharynx
A mutation
Attraction of atoms of different polarity
32. Nonvascular plants such as mosses which lack tissue for conducting food or water.
Spiracles
R-selection
Catabolism
Bryophytes
33. Is an ion that binds to an enzyme making it more able to catalyze a reaction.
Chimpanzees
A prosthetic group
Genetic maintenance
So it can be used over and over again.
34. Has an equal (50%) chance of being passed from a carrier mother to a son or a daughter.
Chlorophyll has the ability to
The habitat of an organism includes
A sex linked recessive disease
The key limiting factor on cell size
35. Contains optic lobes - controls sight.
Mature sporophyte
Kingdom Fungi
Endocytic vesicles
Midbrain
36. 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.
Blastula
Successful reproduction
The biosphere
Ectoderm
37. Contains multicellular photosynthetic eukaryotic organisms including gymnosperms and angiosperms.
Protista
The Nitrogen cycle
Sudden appearance and disappearance of fossil species
Kingdom Plantae
38. Fossilized burrows from multicellular organisms begin to appear in the geological record approximately 700 million years ago during the Precambrian period. These multicellular animals had only soft parts and could not be fossilized.
Precambrian period
Angiosperms
Iisotonic state
Hemophilia
39. States that where random mating is occurring within a population that is in equilibrium with its environment - the gene frequencies and genotype ratios will remain constant from generation to generation. It is a mathematical formula that shows why re
Gymnosperms
The nucleus
The nucleus
The Hardy-Weinberg Law of Equilibrium
40. The process whereby cells build molecules and store energy (in the form of covalent chemical bonds).
Ecotone
The products of the Krebs cycle
Anabolsim
Hypothalamus
41. In both living and non-living environments.
Enzymes catalyze reactions
Genetic imprinting
Vascular bundles
The Cell Theory
42. 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).
Aves
The Hardy-Weinberg Law of Equilibrium
Scurvy
Porifera
43. A sex-linked recessive disorder carried on the x chromosome in which an individual cannot perceive certain colors.
The cell membrane (plasma membrane)
Characteristics of water valuable to living organisms
Color blindness
Chlorophyll
44. Secretes insulin to lower blood sugar and maintain equilibrium. A person eats three candy bars. Within minutes this endocrine gland affects blood-glucose homeostasis.
Mesozoic era
Lysis
The biosphere
The pancreas
45. Algae and Protozoa belong to the kingdom...
Hypothalamus
Protista
Savanna
The hormone aldosterone
46. A cell will only remain stable if the surface area of the plasma membrane maintains a __________ with the volume of the cytoplasm.
Tundra
Balance
The primary role of DNA in the cell
The nucleus
47. It secretes saliva which enters the digestive tract and aids the digestive process.
R-selection
The salivary gland
An enzyme
Tundra
48. Is a substance that changes the speed of a reaction without being affected itself.
A catalyst
Larynx
A sex linked recessive disease
Ectoderm
49. Is comprised of all the organisms that interact within a given ecosystem whether or not it is at carrying capacity.
Internodal tissue
The community
Destroy most enzymes
C ---OH
50. All store energy within their chemical bonds.
Cellulose - starch - lipid - and sugar molecules
Phototropism
Germ layers
Porifera
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