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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 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.
Multiple fruit
Chimpanzees
Cellular Respiration
Germ layers
2. A suffix meaning 'to break apart.' O || ||
Porifera
Lysis
Saprophytic
Mature sporophyte
3. Ended with the extinction of the dinosaurs.
Mesozoic era
Meristem tissue
Electron Transfer System (ETS)
Blastula
4. Some patrol the blood for antigens - but are also equipped to destroy antigens. They may regulate immune responses as well.
An enzyme
T Cells
Altruism
pH of Water
5. Disease causing
Savanna
The products of the Krebs cycle
pathogenic
Anabolism
6. What phylum are snakes in?
The hormone aldosterone
Altruism
Common elements found in proteins
Chordata
7. Respiratory organs within insects
Phloem tissue
Kingdom Fungi
DNA produces particular genetic traits through
Spiracles
8. Contain one celled eukaryotes such as algae and protozoa.
A prosthetic group
Multiple fruit
Saprophytic
Kingdom Protista
9. The phyla of round worms.
Hypothalamus
The primary role of DNA in the cell
Nematoda
Vascular bundles
10. Is disorganized - unravelled - DNA with histones attached.
Ectoderm tissue
Mesoderm
Chromatin
Phyla
11. Must be present for photosynthesis to occur - it is not used up in the process.
Alveoli
Biogeochemical cycles
R-selection
Chlorophyll
12. Some enzymes contain a __________ component that is essential to their functions.
Parenchyma tissue
Non-protein
The primary role of DNA in the cell
Catabolism
13. The trachea includes the windpipe or larynx in its upper portion - and the glottis - an opening that allows the gases to pass into the two branches known as the bronchi.
Balance
The nucleus
Trachea
The cell's 'powerhouses'
14. The vocal cords are found in the larynx.
Paleozoic era
Very specific
Carbon
Larynx
15. Produce adrenaline. This hormone is a well-known constrictor of blood vessels.
Habituation
Natality
The adrenal glands
Chlorophyll
16. An enzyme is unaffected by the reactions it catalyzes
Ectoderm tissue
Cell walls
So it can be used over and over again.
Angiosperms
17. Is the sugar that lactase acts upon.
The theory of punctuated equilibrium
Kingdom Protista
Lactose
A gene is
18. Decomposition of living matter for consumption.
Characteristics of water valuable to living organisms
Color blindness
Gene Migration
parasitic
19. Biotic (living) factors such as population and food source - and abiotic (non-living) factors such as weather - temperature - soil features - sunlight).
Lysis
The Nitrogen cycle
Chordata
The habitat of an organism includes
20. Is found in the root cap and is responsible for quick growth in the roots.
Genome
Porifera
Meristem tissue
Hypothalamus
21. Is a kingdom that includes algae and protozoa.
Protista
The Cell Theory
Cellulose - starch - lipid - and sugar molecules
Vascular bundles make up the
22. The solid mass of cells resulting from the cleavage of the ovum before the formation of a blastula.
Common elements found in proteins
Morula
Porifera
Phyla
23. Is a compound fruit that develops from many ovaries of a single flower fusing together (raspberry).
Gametogenesis
Aggregate fruit
Chordata
The Cell Theory
24. The sharp boundary of an ecosystem.
pH of Water
Phosphorous gas
Ecotone
Habituation
25. (of some plants or fungi) feeding on dead or decaying organic matter
Cytosine
Chromatin
pH of Water
Saprophytic
26. 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.
Kingdom Plantae
The primary role of DNA in the cell
North America
Color blindness
27. Is a packet of digestive enzymes that destroy cellular wastes.
A lysosome
A hydrogen bond
Catabolism
Imprinting
28. A length of DNA (with corresponding histones) is responsible for the production of a certain protein that causes a particular trait to be expressed in an organism.
Interphase
A gene is
Silicon
DNA produces particular genetic traits through
29. Is more like branching out of a tree with dead ends and new branches appearing simultaneously than like steps on a ladder.
Germ layers
Filtered by the liver
The evolution leading to Homo Sapiens...
Chlorophyll has the ability to
30. Process of breaking down complex materials (foods) to form simpler substances and release energy.
Biogeochemical cycles
Catabolism
Protista
Bryophytes
31. Are tubes constructed of a geometrical arrangement of microtubules in a pinwheel shape. Their function includes the formation of new microtubules - but is primarily to form the structural skeleton around which cells split during mitosis and meiosis.
Centrioles
Population
About five million years ago...
Cytosine
32. In DNA Guanine pairs with...
Habitat
Saprophytic
Cytosine
Annelida
33. Are easily converted to ATP - but the main energy products of the Krebs cycle liberate electrons then used in the electron transfer reactions.
Population
An enzyme
Phototropism
The products of the Krebs cycle
34. Fruits that develop from a single ripened ovary (apple - olive - acorn - cucumber).
Arthropoda
Simple fruits
Sudden appearance and disappearance of fossil species
Interphase
35. High temperatures
Destroy most enzymes
Mesozoic era
Genetic imprinting
Aves
36. The destruction of gametes - (sex cells such as sperm and eggs).
Chromosome
Vitamins
The evolution leading to Homo Sapiens...
Gametocide
37. 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.
Share electrons
Early hominids...
Epidermal tissue
Precambrian period
38. Are where the sugars synthesized by photosynthesis travel through to various parts of the plant.
Vascular bundles
A catalyst
Successful reproduction
Paleozoic era
39. Transfers water and does not require sieve plates to allow nutrients through.
Gametogenesis
Biosphere
Xylem tissue
Pi
40. Carbon - nitrogen - phosphorous - and water. These are all recycled through biogeochemical processes.
About five million years ago...
Recycled environmental factors
Mesozoic era
The cell membrane (plasma membrane)
41. Super-class of vertebrae including organisms with no jaws.
Cytosine
Aganatha
A mutation
Chordata
42. 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.
The cell membrane
Xylem tissue
Interphase
The pancreas
43. In DNA Thymine pairs with...
pH of Water
B Cells
Adenine
An enzyme
44. The systematic search for individuals with a specific genotype in a delineated population.
Balance
Spiracles
Chlorophyll
Genetic screening
45. Is the outermost of the three main layers of an embryo.
Natality
Mitochondria
Ectoderm tissue
Genetic maintenance
46. Develops from the morula as a thin layer of cells surrounding an internal cavity.
Blastula
Population
Porifera
The cell membrane (plasma membrane)
47. Contain organisms that are multicellular eukaryotes including vertebrates and invertebrates.
Cell walls
Kingdom Animalia
Alveoli
Gametogenesis
48. Is weaker than ionic - covalent - disulfide - or double bonds.
Color blindness
Vitamins
The pituitary gland
A hydrogen bond
49. Most chemical pollutants accidentally ingested by humans are __________ - mixed with broken down pigments in the bile - then bile is secreted into the small intestine - proceeds to the large intestine - and is expelled in the feces.
The hormone aldosterone
Filtered by the liver
Ecotone
Destroy most enzymes
50. 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.
Destroy most enzymes
The Cell Theory
Vitamin C
Angiosperms