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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. 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.
Porifera
Gene Migration
Biosphere
Iisotonic state
2. In both living and non-living environments.
The hormone aldosterone
Lactose
Enzymes catalyze reactions
Hypothalamus
3. 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
The products of the Krebs cycle
Nucleotides
The key limiting factor on cell size
4. Provide rigidity to plant cells (and some bacteria) and are not found within animal cells.
Chromosome
DNA replication
Cell walls
The cuticle
5. 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 Hardy-Weinberg Law of Equilibrium
The Nitrogen cycle
Habituation
DNA produces particular genetic traits through
6. 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
Carbon
Gametogenesis
Protista
7. 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.
Germ layers
Lysosomes
The primary role of DNA in the cell
Porifera
8. Breaking down
Catabolism
T Cells
Attraction of atoms of different polarity
Mature sporophyte
9. Developed by the German scientists Schleiden and Schwann - States that all living things are made of cells - cells are the basic units of life - all cells come from pre-existing cells.
The Cell Theory
Through nitrogen fixing bacteria and lighting
Genetic screening
A gene is
10. Includes all living and nonliving components of the Earth to support living things.
The biosphere
Through nitrogen fixing bacteria and lighting
A gene is
The synthesis of ATP molecules to store energy is an example of
11. Contains optic lobes - controls sight.
Carbon
An enzyme
Midbrain
So it can be used over and over again.
12. Produces the most ATP molecules - yielding 34 ATPs per glucose molecule.
Catabolism
Mitochondria
Aganatha
Electron Transfer System (ETS)
13. Protein synthesis
Destroy most enzymes
Kingdom Animalia
Xylem tissue
DNA produces particular genetic traits through
14. Are organic cofactors or coenzymes that are required by some enzymatic reactions.
The Cambrian Period
R-selection
Cerebrum
Vitamins
15. The phyla composed of segmented worms.
Larynx
Annelida
Phyla
Will increase the reaction rate
16. Contains organisms that are multicellular eukaryotes including molds and mushrooms.
Kingdom Fungi
North America
DNA produces particular genetic traits through
Tundra
17. Has extreme cold temperatures - low precipitation - modified grassland - perma-frost - a short growing season and some plants and animals.
Porifera
The salivary gland
Tundra
Ectoderm tissue
18. Is a kingdom that includes algae and protozoa.
Endoderm
Cerebellum
Protista
The habitat of an organism includes
19. Is more like branching out of a tree with dead ends and new branches appearing simultaneously than like steps on a ladder.
Vascular bundles make up the
Attraction of atoms of different polarity
Genome
The evolution leading to Homo Sapiens...
20. Are the monomers that form nucleic acids - containing a sugar - phosphate group - and a nitrogenous base.
Very specific
Hypothalamus
Nucleotides
The primary role of DNA in the cell
21. The lineage that led to the modern Homo Sapiens diverged from the lineage that led to the modern chimpanzee.
Isotonic Conditions
About five million years ago...
pH of Water
Photolysis is a reaction of photosynthesis where
22. Contains many genes and is a structure comprised of linear DNA and associated proteins.
Aves
Cellular Respiration
Stomach secretions
Chromosome
23. Are where the sugars synthesized by photosynthesis travel through to various parts of the plant.
pH of Water
Vascular bundles
Annelida
Successful reproduction
24. Energy transformations that occur as chemicals are broken down or synthesized within the cell.
Cellular Metabolism
Nematoda
Adenine
Genetic imprinting
25. Layer that will become the gut lining as well as some accessory structures.
Endoderm
Mitochondria
The biosphere
A hydrogen bond
26. There was extensive radiation of fish during the Devonian and Silurian periods within the Paleozoic Era.
Paleozoic era
Catabolism
pH of Water
Midbrain
27. Process of breaking down complex materials (foods) to form simpler substances and release energy.
Catabolism
Prothallus
Habituation
The Cell Theory
28. Has extreme hot or cold temperatures - with very low precipitation - sandy or rocky terrain - sparse vegetation (mainly succulents) - small animals - rodents - and reptiles.
An enzyme
Sudden appearance and disappearance of fossil species
Desert
Imprinting
29. The pituitary gland.
Protista
The Nitrogen cycle
Mesoderm
A sudden change in the amount of extracellular fluid will be corrected by events following the release of substances from this organ.
30. Is a phylum that contains jellyfish - hydra - etc.
Prosthetic groups
Cnidaria
Kingdom Protista
A gene is
31. Is a molecule that stores information for protein synthesis and genetic coding.
Kingdom Animalia
Ribonucleic acid
A mutation
The salivary gland
32. Mass extinctions promote diversification because _______________ - making conditions favorable for the establishment of new - diverse species.
Enzymes catalyze reactions
Ecological niches open up
Filtered by the liver
Porifera
33. Inorganic phosphate
Attraction of atoms of different polarity
Enzymes catalyze reactions
C ---OH
Pi
34. Layer that will become the skin - some endocrine glands - and the nervous system.
Characteristics of water valuable to living organisms
Kingdom Plantae
Ectoderm
Early hominids...
35. Stood upright before there was an increase in brain size.
Share electrons
Aves
Early hominids...
Germ layers
36. Nonvascular plants such as mosses which lack tissue for conducting food or water.
Successful reproduction
Chordata
The cell membrane
Bryophytes
37. Subsets below the kingdom level
Phyla
Ecological niches open up
C ---OH
Vitamins
38. Is an ion that binds to an enzyme making it more able to catalyze a reaction.
A prosthetic group
Desert
A catalyst
Gametocide
39. Where protein synthesis occurs. They float unattached in the cytoplasm. They contain RNA that is specific to their function in protein formation.
Free ribosomes
Ectoderm
Successful reproduction
Genome
40. The systematic search for individuals with a specific genotype in a delineated population.
pH of Water
Hemophilia
A lysosome
Genetic screening
41. 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.
Multiple fruit
Gametogenesis
The theory of punctuated equilibrium
Alveoli
42. Niche
Prothallus
Ectoderm
A species role in the food chain is part of its
Cell walls
43. Algae and Protozoa belong to the kingdom...
Protista
Habitat
Phosphorous gas
The community
44. Studied the relationships between traits expressed in parents and offspring and the genes that caused the traits to be expressed.
B Cells
Gregor Medel
An enzyme
Attraction of atoms of different polarity
45. Is an abundant element found in protoplasm. Together with oxygen - hydrogen - and nitrogen - it composes over 90% of cellular structure.
C ---OH
Carbon
Cerebrum
Destroy most enzymes
46. Controls olfactory lobes (smell)
Balance
Free ribosomes
Blastula
Forebrain
47. The class composed of birds.
B Cells
Anabolism
Balance
Aves
48. 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.
Lysosomes
C ---OH
Imprinting
Phloem tissue
49. Is secreted by the adrenal cortex to promote sodium reabsorption in the kidney.
The hormone aldosterone
Non-protein
Ionic bonds involve
Phosphorous gas
50. Consists of undifferentiated cells capable of quick growth and specialization. It is responsible for elongation of the stem.
Meristem tissue
Balance
A lysosome
Pharynx