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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 disorganized - unravelled - DNA with histones attached.
DNA produces particular genetic traits through
Chromatin
DNA replication
Bronchi
2. Is the sugar that lactase acts upon.
Adenine
Lactose
Nucleotides
pathogenic
3. Mass extinctions promote diversification because _______________ - making conditions favorable for the establishment of new - diverse species.
Ecological niches open up
Chromatin
Vitamin C
Meristem tissue
4. There was extensive radiation of fish during the Devonian and Silurian periods within the Paleozoic Era.
Cellulose - starch - lipid - and sugar molecules
Paleozoic era
Gametocide
A sudden change in the amount of extracellular fluid will be corrected by events following the release of substances from this organ.
5. Absorb a photon of light and is found in the grana of the chloroplast.
Circadian rhythms
Chlorophyll has the ability to
The nucleus
An enzyme
6. Decomposition of living matter for consumption.
Ectoderm
parasitic
Allopatric speciation
Very specific
7. Engages in both passive and active transport.
Phosphorous
Natality
The cell membrane (plasma membrane)
Niche
8. Approximately 7 - making it neither basic (under 7) nor alkaline (over 7).
As energy is transferred through trophic levels
Lysosomes
Savanna
pH of Water
9. Has extreme cold temperatures - low precipitation - modified grassland - perma-frost - a short growing season and some plants and animals.
The primary role of DNA in the cell
Spiracles
Kingdom Protista
Tundra
10. An orienting response to light.
Vitamin C
Phototropism
Gnathostomata
B Cells
11. Is the number of organisms that can be supported within a particular ecosystem.
Carrying capacity
Cellular Respiration
R-selection
Cenozoic era
12. 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
Allopatric speciation
The Hardy-Weinberg Law of Equilibrium
Porifera
Scurvy
13. Is a substance that changes the speed of a reaction without being affected itself.
Share electrons
A catalyst
Mesozoic era
Paleozoic era
14. 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.
Interphase
Epidermal tissue
Angiosperms
Phosphorous gas
15. Occurs when two populations are geographically isolated from each other. Over time this results in the production of two separate species.
Allopatric speciation
R-selection
Balance
The evolution leading to Homo Sapiens...
16. Protein synthesis
DNA produces particular genetic traits through
A species role in the food chain is part of its
Share electrons
Paleozoic era
17. Super-class of vertebrae including organisms with no jaws.
DNA produces particular genetic traits through
Gametogenesis
Trachea
Aganatha
18. Has extreme hot or cold temperatures - with very low precipitation - sandy or rocky terrain - sparse vegetation (mainly succulents) - small animals - rodents - and reptiles.
Cuticle
The Hardy-Weinberg Law of Equilibrium
Desert
Lactose
19. Proposes that those individuals within a population that are most adapted to the environment are also the most likely individuals to produce viable offspring.
Differential reproduction
A catalyst
Hypothalamus
North America
20. Secretes insulin to lower blood sugar and maintain equilibrium. A person eats three candy bars. Within minutes this endocrine gland affects blood-glucose homeostasis.
Iisotonic state
Vascular bundles make up the
The pancreas
Stem tissues
21. What phylum are snakes in?
T Cells
Phyla
Ectoderm tissue
Chordata
22. Process of breaking down complex materials (foods) to form simpler substances and release energy.
Cell walls
Alveoli
Allopatric speciation
Catabolism
23. Is a social behavior of an organism that is beneficial to the group at the individual's expense.
Altruism
The key limiting factor on cell size
The biosphere
A mutation
24. Are the monomers that form nucleic acids - containing a sugar - phosphate group - and a nitrogenous base.
Ribonucleic acid
A catalyst
The nucleus
Nucleotides
25. Most fossils of Hominids are from continents other than...
Genome
North America
The synthesis of ATP molecules to store energy is an example of
Alveoli
26. Controls sensory and motor responses - and controls memory - speech - and intelligence factors.
Cerebrum
Successful reproduction
Aggregate fruit
Gametocide
27. Is a phylum that contains sponges.
Paleozoic era
Porifera
Phyla
Lysis
28. The most recent and present era. It includes the radiation of flowering plants - the angiosperms.
Cenozoic era
Chordata
The nucleus
Gregor Medel
29. Produces the most ATP molecules - yielding 34 ATPs per glucose molecule.
Electron Transfer System (ETS)
Restriction enzymes
Morula
Aganatha
30. Contains optic lobes - controls sight.
Midbrain
Adenine
Ecological niches open up
DNA replication
31. An opportunistic life strategy strategy. Lichens invading a bare rock area after a volcanic eruption is an example.
R-selection
Enzymes catalyze reactions
Lysis
Phototropism
32. The bronchi lead to the two lungs where they branch out in all directions into smaller tubules known as bronchioles.
DNA produces particular genetic traits through
Bronchi
Chlorophyll
Ecological niches open up
33. Sex-linked recessive disorder carried on the x chromosome defined by the absence of one or more proteins required for blood clotting
Anabolism
The products of the Krebs cycle
Hemophilia
R-selection
34. 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.
Altruism
Imprinting
The cell membrane
A catalyst
35. 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.
Destroy most enzymes
Gene Migration
Genetic imprinting
Aganatha
36. 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.
Prosthetic groups
The biosphere
Cerebellum
Gametocide
37. Controls olfactory lobes (smell)
Pharynx
Meristem tissue
North America
Forebrain
38. Is the process that releases energy for use by the cell.
Cellulose - starch - lipid - and sugar molecules
Xylem tissue
Population
Cellular Respiration
39. 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.
The Hardy-Weinberg Law of Equilibrium
Electron Transfer System (ETS)
Stomach secretions
Midbrain
40. Refers to the birthrate of a population.
The nucleus
The pancreas
Gregor Medel
Natality
41. Contains the chromosomes and is the site of reproduction through mitosis and meiosis.
Ribonucleic acid
Bronchi
The nucleus
Chromosome
42. Synthesis
Very specific
Anabolism
The adrenal glands
Blastula
43. Is the outermost of the three main layers of an embryo.
Ectoderm tissue
Free ribosomes
Vascular bundles
C ---OH
44. The part of the earth that contains all living things - including the atmosphere (air) - the lithosphere (earth) - and the hydrosphere (water).
Cnidaria
Gametogenesis
Biosphere
Nematoda
45. A sex-linked recessive disorder carried on the x chromosome in which an individual cannot perceive certain colors.
Color blindness
parasitic
Allopatric speciation
Gregor Medel
46. Are cells involved in immunity and are produced in bone marrow as stem cells.
Cellulose - starch - lipid - and sugar molecules
Multiple fruit
Lactose
Lymphocytes
47. Is the earliest period of the Paleozoic era. Began with the Cambrian explosion - this explosion of life resulted in the representatives of most of the modern phyla being present.
Gametocide
Phosphorous gas
Did not evolve together
The Cambrian Period
48. Breaking down
Did not evolve together
Gregor Medel
Catabolism
Aves
49. Between the endoderm and ectoderm - layer that will eventually form the muscles - and organs of the skeletal - circulatory - respiratory - reproductive - and excretory systems.
Mesoderm
Differential reproduction
Ectoderm tissue
Imprinting
50. Ended with the extinction of the dinosaurs.
Mesozoic era
Pharynx
Chlorophyll has the ability to
Natality
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