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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. 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.
The pituitary gland
Carrying capacity
Lysosomes
Pharynx
2. Is the outermost of the three main layers of an embryo.
Ectoderm tissue
Chlorophyll has the ability to
Vitamins
The community
3. 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 mutation
Gene Migration
A prosthetic group
The nucleus
4. Is an ion that binds to an enzyme making it more able to catalyze a reaction.
A mutation
Hypothalamus
Chimpanzees
A prosthetic group
5. This is a carboxyl group and is the signature group found within organic acids.
Vascular bundles make up the
The Cambrian Period
Circadian rhythms
C ---OH
6. An opportunistic life strategy strategy. Lichens invading a bare rock area after a volcanic eruption is an example.
Biogeochemical cycles
A species role in the food chain is part of its
R-selection
Multiple fruit
7. Contains the chromosomes and is the site of reproduction through mitosis and meiosis.
A lysosome
Lactose
Early hominids...
The nucleus
8. Is weaker than ionic - covalent - disulfide - or double bonds.
Carbon
Allopatric speciation
A hydrogen bond
Cuticle
9. A suffix meaning 'to break apart.' O || ||
Simple fruits
Genome
Lysis
Pharynx
10. What phylum are snakes in?
Chordata
Free ribosomes
Color blindness
Recycled environmental factors
11. Proposes that those individuals within a population that are most adapted to the environment are also the most likely individuals to produce viable offspring.
Plasmodesmata
Adenine
Trachea
Differential reproduction
12. Is a protein - which is a polymer of amino acids. They generally have the suffix -ase- like lactase.
Share electrons
Ecotone
Larynx
An enzyme
13. Is a kind of plain characterized by a warm climate - grassland - and seasonally dry climate conditions.
Savanna
Ecological niches open up
Multiple fruit
The cell membrane
14. A reaction that adds water to another compound. (2 hydrogens - 1 oxygen).
Trachea
pathogenic
Cellulose - starch - lipid - and sugar molecules
Hydrolysis
15. An enzyme is unaffected by the reactions it catalyzes
So it can be used over and over again.
A mutation
Chordata
Chromosome
16. 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.
Non-protein
The Cambrian Period
Gnathostomata
Paleozoic era
17. Controls sensory and motor responses - and controls memory - speech - and intelligence factors.
Cerebrum
Centrioles
Ecotone
Cell walls
18. Mass extinctions promote diversification because _______________ - making conditions favorable for the establishment of new - diverse species.
Phyla
Forebrain
Ecological niches open up
The biosphere
19. Contain organisms that are multicellular eukaryotes including vertebrates and invertebrates.
Porifera
Kingdom Animalia
The nucleus
Ecological niches open up
20. 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.
Isotonic Conditions
Successful reproduction
Chromosome
The pancreas
21. 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
Kingdom Fungi
Lysis
Xylem tissue
22. Is when expression of genetic traits is determined by weather the trait is inherited from the mother or the father.
DNA produces particular genetic traits through
Cerebellum
The pituitary gland
Genetic imprinting
23. Is found in the root cap and is responsible for quick growth in the roots.
The adrenal glands
Meristem tissue
Kingdom Protista
Gnathostomata
24. Between the endoderm and ectoderm - layer that will eventually form the muscles - and organs of the skeletal - circulatory - respiratory - reproductive - and excretory systems.
Endocytic vesicles
Vitamins
Characteristics of water valuable to living organisms
Mesoderm
25. Is secreted by the adrenal cortex to promote sodium reabsorption in the kidney.
Hypothalamus
The hormone aldosterone
As energy is transferred through trophic levels
The community
26. All store energy within their chemical bonds.
The community
Endocytic vesicles
Cenozoic era
Cellulose - starch - lipid - and sugar molecules
27. Refers to the birthrate of a population.
Scurvy
Filtered by the liver
Natality
Genetic screening
28. Is a phylum that contains sponges.
Vitamins
The hormone aldosterone
Porifera
Imprinting
29. Are organic cofactors or coenzymes that are required by some enzymatic reactions.
Recycled environmental factors
Successful reproduction
Vitamins
Chromosome
30. Absorb a photon of light and is found in the grana of the chloroplast.
Chlorophyll has the ability to
The primary role of DNA in the cell
Centrioles
The Nitrogen cycle
31. A sex-linked recessive disorder carried on the x chromosome in which an individual cannot perceive certain colors.
Adenine
Color blindness
Filtered by the liver
Simple fruits
32. The class composed of birds.
Will increase the reaction rate
As energy is transferred through trophic levels
Aves
Cellular Respiration
33. In DNA Guanine pairs with...
Cytosine
Did not evolve together
Pi
B Cells
34. Has extreme hot or cold temperatures - with very low precipitation - sandy or rocky terrain - sparse vegetation (mainly succulents) - small animals - rodents - and reptiles.
Aggregate fruit
Ecotone
Desert
Porifera
35. The phyla of sponges.
Porifera
The cell's 'powerhouses'
Chromosome
Gnathostomata
36. The systematic search for individuals with a specific genotype in a delineated population.
Genetic screening
Natality
Fixed Action Pattern (FAP)
Silicon
37. Is a special protein that acts as a catalyst for organic reactions.
Tundra
Characteristics of water valuable to living organisms
Cenozoic era
An enzyme
38. Are cells involved in immunity and are produced in bone marrow as stem cells.
Forebrain
Lymphocytes
Annelida
Cenozoic era
39. The physical place where a particular organism lives. It must include all the factors that will support its life and reproduction.
Desert
Habitat
Attraction of atoms of different polarity
Mesozoic era
40. Is a molecule that stores information for protein synthesis and genetic coding.
The habitat of an organism includes
Altruism
Ribonucleic acid
Mesoderm
41. 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
Precambrian period
Anabolsim
Phyla
42. 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
The Hardy-Weinberg Law of Equilibrium
A species role in the food chain is part of its
Carbon
R-selection
43. Some patrol the blood for antigens - but are also equipped to destroy antigens. They may regulate immune responses as well.
Lysis
Cellulose - starch - lipid - and sugar molecules
T Cells
About five million years ago...
44. The number of organisms in a given community - can be above or below the carrying capacity.
Cellular Respiration
Population
Share electrons
Protista
45. Contains organisms that are multicellular eukaryotes including molds and mushrooms.
Cell walls
Habituation
Kingdom Fungi
Cuticle
46. 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.
Cytosine
Circadian rhythms
Lysosomes
Biosphere
47. In DNA Thymine pairs with...
The community
About five million years ago...
Adenine
Attraction of atoms of different polarity
48. 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
The salivary gland
The pituitary gland
A hydrogen bond
Mesoderm
49. A type of innate behavior (instinct.) The FAP is a preprogrammed response to a particular stimulus (known as a releaser stimulus). FAP's include courtship behaviors and feeding of young. These are not learned behaviors - they are automatically perfor
Altruism
Fixed Action Pattern (FAP)
The community
Color blindness
50. Subsets below the kingdom level
The Nitrogen cycle
Adenine
Phloem tissue
Phyla