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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. Has loosely packed cells that allow for gas and moisture exchange.
Parenchyma tissue
Multiple fruit
Very specific
parasitic
2. 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
Aves
Precambrian period
Phototropism
Very specific
3. 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.
Differential reproduction
Germ layers
Catabolism
Nucleotides
4. Internally generated patterns of body functions - including hormonal signals - sleep - blood pressure - and temperature regulation - which have approximately a 24-hour cycle and occur even in the absence of normal cues about whether it is day or nigh
Hemophilia
Population
Circadian rhythms
Protista
5. Is an abundant element found in protoplasm. Together with oxygen - hydrogen - and nitrogen - it composes over 90% of cellular structure.
Iisotonic state
Carbon
Free ribosomes
A hydrogen bond
6. This is a carboxyl group and is the signature group found within organic acids.
The adrenal glands
C ---OH
Genetic imprinting
Meristem tissue
7. The transfer of electrons.
Ionic bonds involve
Multiple fruit
Free ribosomes
The pituitary gland
8. An orienting response to light.
Phototropism
Enzymes catalyze reactions
Isotonic Conditions
Endoderm
9. 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
Anabolsim
The primary role of DNA in the cell
The Nitrogen cycle
An enzyme
10. Plants and animals obtain usable nitrogen
Porifera
Catabolism
Through nitrogen fixing bacteria and lighting
Common elements found in proteins
11. Is disorganized - unravelled - DNA with histones attached.
Stem tissues
The Cambrian Period
Chromatin
A prosthetic group
12. 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.
The Cell Theory
Hydrolysis
Successful reproduction
Gametocide
13. Mass extinctions promote diversification because _______________ - making conditions favorable for the establishment of new - diverse species.
Ecological niches open up
Parenchyma tissue
The salivary gland
Cytosine
14. Studied the relationships between traits expressed in parents and offspring and the genes that caused the traits to be expressed.
Gregor Medel
Genetic imprinting
Iisotonic state
Porifera
15. Is when expression of genetic traits is determined by weather the trait is inherited from the mother or the father.
Characteristics of water valuable to living organisms
The community
Genetic imprinting
pH of Water
16. The phylum of insects (bees).
The adrenal glands
Porifera
Arthropoda
B Cells
17. Is secreted by the adrenal cortex to promote sodium reabsorption in the kidney.
Phloem tissue
The hormone aldosterone
As energy is transferred through trophic levels
Interphase
18. Are cells involved in immunity and are produced in bone marrow as stem cells.
Lymphocytes
A sudden change in the amount of extracellular fluid will be corrected by events following the release of substances from this organ.
Angiosperms
About five million years ago...
19. 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.
Simple fruits
Annelida
A mutation
DNA produces particular genetic traits through
20. Decomposition of living matter for consumption.
The community
Enzymes catalyze reactions
So it can be used over and over again.
parasitic
21. Transfers water and does not require sieve plates to allow nutrients through.
Balance
Xylem tissue
Trachea
Savanna
22. Includes all living and nonliving components of the Earth to support living things.
Photolysis is a reaction of photosynthesis where
The biosphere
Cellular Metabolism
Kingdom Fungi
23. Is a phylum that contains jellyfish - hydra - etc.
Paleozoic era
Successful reproduction
Cnidaria
Lymphocytes
24. Biotic (living) factors such as population and food source - and abiotic (non-living) factors such as weather - temperature - soil features - sunlight).
The habitat of an organism includes
Phloem tissue
Genetic imprinting
Chordata
25. Disease causing
Gametocide
Alveoli
pathogenic
Ribonucleic acid
26. Chlorophyll pigments absorb photons of light - leaving the chlorophyll in a higher energy (excited) state - these then supply energy to reactions that produce ATP from ADP and Pi.
Differential reproduction
Photolysis is a reaction of photosynthesis where
Morula
Cytosine
27. Refers to the birthrate of a population.
Natality
Common elements found in proteins
Destroy most enzymes
The Nitrogen cycle
28. Has an equal (50%) chance of being passed from a carrier mother to a son or a daughter.
Internodal tissue
A sex linked recessive disease
Imprinting
Share electrons
29. 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.
Anabolism
Isotonic Conditions
Gymnosperms
Meristem tissue
30. Include: Vascular tissue - including both xylem and phloem - and sieve plates existing between cells of the stem.
Cnidaria
Biosphere
Bronchi
Stem tissues
31. 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).
Prothallus
Gene Migration
Imprinting
Scurvy
32. Contains organisms that are multicellular eukaryotes including molds and mushrooms.
Savanna
Kingdom Fungi
The Cambrian Period
A species role in the food chain is part of its
33. Is the number of organisms that can be supported within a particular ecosystem.
Anabolsim
Porifera
Carrying capacity
Phototropism
34. Covers and protects the leaf.
Centrioles
Ribonucleic acid
The nucleus
Cuticle
35. Transparency - polarity - high specific heat - and density (lower density when solid than when liquid.).
Fixed Action Pattern (FAP)
Chlorophyll has the ability to
Cuticle
Characteristics of water valuable to living organisms
36. Carbon - Hydrogen - Oxygen - and Nitrogen
Vitamins
Allopatric speciation
Common elements found in proteins
Blastula
37. Veins in the leaf and are also distributed throughout the stem
Vascular bundles make up the
The salivary gland
Non-protein
Internodal tissue
38. Anabolism
Ribonucleic acid
Will increase the reaction rate
Gametogenesis
The synthesis of ATP molecules to store energy is an example of
39. Has extreme cold temperatures - low precipitation - modified grassland - perma-frost - a short growing season and some plants and animals.
Alveoli
Destroy most enzymes
The Nitrogen cycle
Tundra
40. 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.
Plasmodesmata
Ectoderm tissue
B Cells
The cell membrane
41. The role played by an organism in its food chain.
Vitamins
Niche
Paleozoic era
Porifera
42. Sex-linked recessive disorder carried on the x chromosome defined by the absence of one or more proteins required for blood clotting
The biosphere
Hemophilia
Restriction enzymes
Vitamin C
43. Controls balance and muscle coordination
Gymnosperms
Ecological niches open up
parasitic
Cerebellum
44. Fruits that develop from a single ripened ovary (apple - olive - acorn - cucumber).
Meristem tissue
Cuticle
Simple fruits
Through nitrogen fixing bacteria and lighting
45. 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.
Differential reproduction
Epidermal tissue
Gene Migration
Habituation
46. The number of organisms in a given community - can be above or below the carrying capacity.
The Cambrian Period
Population
Very specific
Lymphocytes
47. Is found in the root cap and is responsible for quick growth in the roots.
Cytosine
Lactose
Meristem tissue
The theory of punctuated equilibrium
48. The part of the earth that contains all living things - including the atmosphere (air) - the lithosphere (earth) - and the hydrosphere (water).
Savanna
Porifera
Biosphere
Phototropism
49. 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.
Pharynx
Catabolism
Meristem tissue
Forebrain
50. The physical place where a particular organism lives. It must include all the factors that will support its life and reproduction.
Prothallus
Habitat
Multiple fruit
R-selection