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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 a coenzyme required in the synthesis of collagen.
Electron Transfer System (ETS)
Genetic maintenance
Larynx
Vitamin C
2. Controls sensory and motor responses - and controls memory - speech - and intelligence factors.
Tundra
Cerebrum
Chromatin
Mesoderm
3. Veins in the leaf and are also distributed throughout the stem
parasitic
Cuticle
Hemophilia
Vascular bundles make up the
4. Covers and protects the leaf.
The adrenal glands
Cuticle
Isotonic Conditions
Plasmodesmata
5. Is a kind of plain characterized by a warm climate - grassland - and seasonally dry climate conditions.
Bryophytes
Savanna
Prosthetic groups
Early hominids...
6. Is a molecule that stores information for protein synthesis and genetic coding.
Biogeochemical cycles
Ribonucleic acid
Endocytic vesicles
Spiracles
7. Is comprised of all the organisms that interact within a given ecosystem whether or not it is at carrying capacity.
Silicon
Ecotone
The community
The Cell Theory
8. 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.
Gametocide
Chlorophyll has the ability to
Anabolsim
Photolysis is a reaction of photosynthesis where
9. 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.
Early hominids...
Endoderm
The Cambrian Period
Cuticle
10. 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
The Nitrogen cycle
Protista
Genetic imprinting
Phototropism
11. 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.
Cellulose - starch - lipid - and sugar molecules
Filtered by the liver
Stomach secretions
A species role in the food chain is part of its
12. Plants that produce flowers as reproductive organs. They have two divisions - monocots and dicots.
Vascular bundles
The pancreas
Ecological niches open up
Angiosperms
13. Are the monomers that form nucleic acids - containing a sugar - phosphate group - and a nitrogenous base.
Nucleotides
An enzyme
Scurvy
Catabolism
14. The solid mass of cells resulting from the cleavage of the ovum before the formation of a blastula.
A species role in the food chain is part of its
Nucleotides
Kingdom Protista
Morula
15. There was extensive radiation of fish during the Devonian and Silurian periods within the Paleozoic Era.
Gregor Medel
Centrioles
Differential reproduction
Paleozoic era
16. Are the organelles where cellular respiration occurs.
Mitochondria
Filtered by the liver
Endoderm
Color blindness
17. (of some plants or fungi) feeding on dead or decaying organic matter
Spiracles
Anabolism
Epidermal tissue
Saprophytic
18. Is the control of protein synthesis. Genetic traits are expressed and specialization of cells occur as a result of the combination of proteins produced by the DNA of a cell.
The primary role of DNA in the cell
Cerebrum
Catabolism
DNA replication
19. The size of a cell is limited by the ratio of its surface area to volume.
Carbon
The key limiting factor on cell size
parasitic
Centrioles
20. Produce adrenaline. This hormone is a well-known constrictor of blood vessels.
Lysosomes
The cell's 'powerhouses'
Forebrain
The adrenal glands
21. Include: Vascular tissue - including both xylem and phloem - and sieve plates existing between cells of the stem.
Endocytic vesicles
A species role in the food chain is part of its
Multiple fruit
Stem tissues
22. Is a kingdom that includes algae and protozoa.
About five million years ago...
Saprophytic
Hemophilia
Protista
23. Is the organelle where cellular reproductive processes occur.
The nucleus
Ionic bonds involve
Aves
Aganatha
24. The individual we recognize as an adult fern.
Plasmodesmata
Mature sporophyte
Biosphere
Nucleotides
25. The lineage that led to the modern Homo Sapiens diverged from the lineage that led to the modern chimpanzee.
Chromosome
About five million years ago...
Ectoderm tissue
Protista
26. Absorb a photon of light and is found in the grana of the chloroplast.
Larynx
Chlorophyll has the ability to
T Cells
About five million years ago...
27. The class composed of birds.
Aves
Kingdom Protista
The salivary gland
Kingdom Animalia
28. Is a special protein that acts as a catalyst for organic reactions.
Prothallus
An enzyme
Cerebellum
The Cambrian Period
29. The phyla of sponges.
Porifera
Desert
Successful reproduction
Catabolism
30. 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.
Chlorophyll
Lysosomes
DNA produces particular genetic traits through
Very specific
31. All store energy within their chemical bonds.
Nematoda
Anabolsim
Cellulose - starch - lipid - and sugar molecules
Porifera
32. Some energy is lost as heat and becomes unusable.
As energy is transferred through trophic levels
North America
Chlorophyll has the ability to
Germ layers
33. Is when expression of genetic traits is determined by weather the trait is inherited from the mother or the father.
Silicon
Hydrolysis
Genetic imprinting
Plasmodesmata
34. Process in which elements - chemical compounds - and other forms of matter are passed from one organism to another and from one part of the biosphere to another.
Biogeochemical cycles
Very specific
Aggregate fruit
Genetic imprinting
35. Carbon - Hydrogen - Oxygen - and Nitrogen
The biosphere
Common elements found in proteins
Tundra
DNA produces particular genetic traits through
36. 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
Ecological niches open up
Multiple fruit
The Nitrogen cycle
Savanna
37. In DNA Guanine pairs with...
B Cells
Restriction enzymes
The cell membrane
Cytosine
38. Becomes available for erosion as undersea sedimentary rocks are up-thrust by volcanic activity - erosion releases it from rocks into streams where it combines with oxygen to form phosphates in lakes that are then absorbed by plants - it is recycled t
The salivary gland
Phosphorous
Cytosine
Savanna
39. Contains the chromosomes and is the site of reproduction through mitosis and meiosis.
Kingdom Plantae
The nucleus
Kingdom Fungi
A species role in the food chain is part of its
40. Are easily converted to ATP - but the main energy products of the Krebs cycle liberate electrons then used in the electron transfer reactions.
Kingdom Plantae
Gymnosperms
The products of the Krebs cycle
Parenchyma tissue
41. Some patrol the blood for antigens - but are also equipped to destroy antigens. They may regulate immune responses as well.
Kingdom Protista
The key limiting factor on cell size
The community
T Cells
42. Are formed when the plasma membrane of a cell encloses a molecule outside the membrane - then releases a membrane bound sack containing the desired molecule into the cytoplasm. This process allows the cell to absorb molecules that are larger in size
Endocytic vesicles
T Cells
A mutation
Phyla
43. 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.
Cuticle
Gene Migration
The hormone aldosterone
Kingdom Animalia
44. Enzymes are usually __________ to certain reactions.
Very specific
A sex linked recessive disease
The key limiting factor on cell size
Nucleotides
45. Is secreted by the adrenal cortex to promote sodium reabsorption in the kidney.
Early hominids...
The hormone aldosterone
Precambrian period
Alveoli
46. A sex-linked recessive disorder carried on the x chromosome in which an individual cannot perceive certain colors.
Gametogenesis
A lysosome
Biosphere
Color blindness
47. An orienting response to light.
Imprinting
Phototropism
An enzyme
Tundra
48. Layer that will become the gut lining as well as some accessory structures.
Endoderm
A mutation
Phloem tissue
Bronchi
49. Carbon - nitrogen - phosphorous - and water. These are all recycled through biogeochemical processes.
Cellular Metabolism
Recycled environmental factors
Destroy most enzymes
Endoderm
50. Can be accounted for by the theory of punctuated equilibrium. The fossil record shows periods of stability with regard to appearance and disappearance of species as well as periods of sudden change.
Sudden appearance and disappearance of fossil species
Genome
The biosphere
Kingdom Plantae