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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 sugar that lactase acts upon.
Gene Migration
Lactose
The Hardy-Weinberg Law of Equilibrium
Anabolism
2. Biotic (living) factors such as population and food source - and abiotic (non-living) factors such as weather - temperature - soil features - sunlight).
Chromosome
Desert
The habitat of an organism includes
A mutation
3. Controls sensory and motor responses - and controls memory - speech - and intelligence factors.
Cerebrum
Destroy most enzymes
Paleozoic era
Recycled environmental factors
4. Carbon - Hydrogen - Oxygen - and Nitrogen
Endocytic vesicles
Biosphere
The Nitrogen cycle
Common elements found in proteins
5. Contain one celled eukaryotes such as algae and protozoa.
A species role in the food chain is part of its
Sudden appearance and disappearance of fossil species
Kingdom Protista
Meristem tissue
6. The individual we recognize as an adult fern.
Genome
Mature sporophyte
Ecotone
Gymnosperms
7. 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.
C ---OH
Pharynx
A sudden change in the amount of extracellular fluid will be corrected by events following the release of substances from this organ.
Nematoda
8. Is a coenzyme required in the synthesis of collagen.
Blastula
Germ layers
Vitamin C
Ionic bonds involve
9. Produce seeds without flowers. They include conifers (cone-bearers) and cycads.
Arthropoda
Porifera
Gymnosperms
About five million years ago...
10. 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
B Cells
Cerebellum
Lactose
The pituitary gland
11. 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.
A sudden change in the amount of extracellular fluid will be corrected by events following the release of substances from this organ.
Through nitrogen fixing bacteria and lighting
The hormone aldosterone
Successful reproduction
12. Is the major component of sand and is the most abundant element found in the lithosphere. It is not recycled.
Tundra
Cell walls
Silicon
Natality
13. 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.
T Cells
A gene is
Pi
The evolution leading to Homo Sapiens...
14. Are tubes constructed of a geometrical arrangement of microtubules in a pinwheel shape. Their function includes the formation of new microtubules - but is primarily to form the structural skeleton around which cells split during mitosis and meiosis.
Saprophytic
The habitat of an organism includes
Centrioles
Chordata
15. Is found on the stem between nodes.
Internodal tissue
Phototropism
A prosthetic group
Anabolism
16. 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
A mutation
The Hardy-Weinberg Law of Equilibrium
Kingdom Plantae
Protista
17. Engages in both passive and active transport.
Attraction of atoms of different polarity
The cell membrane (plasma membrane)
Internodal tissue
Isotonic Conditions
18. Are the organelles where cellular respiration occurs.
Chromatin
Mitochondria
Kingdom Fungi
Altruism
19. Bacteria break ammonia into nitrites - then into nitrates that are usable by plants; volcanic activity produces ammonia and nitrates that enter the soil and can be absorbed by plants; lightning reacts with atmospheric nitrogen to form nitrates that a
The Nitrogen cycle
Ribonucleic acid
Cerebellum
Aganatha
20. Has an equal (50%) chance of being passed from a carrier mother to a son or a daughter.
Biosphere
Cerebellum
parasitic
A sex linked recessive disease
21. The part of the earth that contains all living things - including the atmosphere (air) - the lithosphere (earth) - and the hydrosphere (water).
Biosphere
Lactose
Sudden appearance and disappearance of fossil species
Porifera
22. A reaction that adds water to another compound. (2 hydrogens - 1 oxygen).
Mature sporophyte
Hydrolysis
The cell's 'powerhouses'
Recycled environmental factors
23. The phyla of sponges.
Porifera
Carbon
Nematoda
Savanna
24. Produce antibodies into the bloodstream that find and attach themselves to foreign antigens (toxins - bacteria).
Plasmodesmata
B Cells
Nematoda
Vitamin C
25. Are where the sugars synthesized by photosynthesis travel through to various parts of the plant.
Vascular bundles
Internodal tissue
Saprophytic
Iisotonic state
26. 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.
A species role in the food chain is part of its
Precambrian period
Cell walls
Bryophytes
27. Is the outermost layer of cells of the stem.
Differential reproduction
Epidermal tissue
Mesozoic era
Population
28. 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.
Differential reproduction
Meristem tissue
Habituation
Lysosomes
29. A hydrogen bond involves the ________________ and can be easily broken.
The nucleus
Gymnosperms
Attraction of atoms of different polarity
The theory of punctuated equilibrium
30. 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.
B Cells
Aggregate fruit
A mutation
Ectoderm tissue
31. 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.
Multiple fruit
Interphase
Lysis
Precambrian period
32. The class composed of birds.
Enzymes catalyze reactions
Ribonucleic acid
Aves
Phyla
33. The lineage that led to the modern Homo Sapiens diverged from the lineage that led to the modern chimpanzee.
Ectoderm
Cerebellum
An enzyme
About five million years ago...
34. 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.
Did not evolve together
Restriction enzymes
Biogeochemical cycles
The theory of punctuated equilibrium
35. Contains the chromosomes and is the site of reproduction through mitosis and meiosis.
Genetic screening
Early hominids...
The nucleus
Xylem tissue
36. Allows for the genetic code to be preserved in future generations of cells.
DNA replication
Aves
North America
Anabolism
37. The solid mass of cells resulting from the cleavage of the ovum before the formation of a blastula.
Chromatin
Multiple fruit
Morula
Prothallus
38. An enzyme is unaffected by the reactions it catalyzes
So it can be used over and over again.
Recycled environmental factors
Cerebrum
A gene is
39. 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.
Destroy most enzymes
Imprinting
Recycled environmental factors
B Cells
40. (of some plants or fungi) feeding on dead or decaying organic matter
Desert
Vitamin C
Ionic bonds involve
Saprophytic
41. An opportunistic life strategy strategy. Lichens invading a bare rock area after a volcanic eruption is an example.
Early hominids...
Hydrolysis
Catabolism
R-selection
42. Layer that will become the skin - some endocrine glands - and the nervous system.
Stomach secretions
Multiple fruit
Ectoderm
The synthesis of ATP molecules to store energy is an example of
43. Is comprised of all the organisms that interact within a given ecosystem whether or not it is at carrying capacity.
Stem tissues
Pi
The community
Free ribosomes
44. Mass extinctions promote diversification because _______________ - making conditions favorable for the establishment of new - diverse species.
The salivary gland
Xylem tissue
R-selection
Ecological niches open up
45. 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
An enzyme
Phototropism
The pituitary gland
Mesoderm
46. Disease causing
Restriction enzymes
A gene is
pathogenic
Nematoda
47. Is a packet of digestive enzymes that destroy cellular wastes.
Bryophytes
A lysosome
Phloem tissue
Lysosomes
48. Nonvascular plants such as mosses which lack tissue for conducting food or water.
Bryophytes
Endoderm
Photolysis is a reaction of photosynthesis where
A species role in the food chain is part of its
49. The vocal cords are found in the larynx.
Cell walls
Characteristics of water valuable to living organisms
Ionic bonds involve
Larynx
50. 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).
Phloem tissue
The salivary gland
Anabolism
Iisotonic state