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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 made of stacked cells connected by sieve plates that allow nutrients to pass from cell to cell. They transport food made in the leaves (by photosynthesis) to the rest of the plant).
Meristem tissue
Phloem tissue
Stomach secretions
Protista
2. 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
Lactose
Spiracles
The Cambrian Period
Endocytic vesicles
3. Protein synthesis
DNA produces particular genetic traits through
The Nitrogen cycle
The nucleus
Common elements found in proteins
4. The size of a cell is limited by the ratio of its surface area to volume.
The key limiting factor on cell size
Lymphocytes
Plasmodesmata
Gametocide
5. Layer that will become the skin - some endocrine glands - and the nervous system.
Ectoderm
Habituation
A catalyst
The nucleus
6. Where protein synthesis occurs. They float unattached in the cytoplasm. They contain RNA that is specific to their function in protein formation.
Cell walls
Free ribosomes
Endoderm
Electron Transfer System (ETS)
7. Is a compound fruit that develops from many ovaries of a single flower fusing together (raspberry).
Genetic maintenance
Lymphocytes
Aggregate fruit
Common elements found in proteins
8. Is secreted by the adrenal cortex to promote sodium reabsorption in the kidney.
The hormone aldosterone
Scurvy
Internodal tissue
Stomach secretions
9. Assumes that there are periods of stability during which little evolutionary change occurs - and that speciation can occur rapidly over a very short period of time.
Habituation
Morula
The theory of punctuated equilibrium
Parenchyma tissue
10. Most fossils of Hominids are from continents other than...
Circadian rhythms
North America
Cellular Respiration
An inhibitor
11. Is when expression of genetic traits is determined by weather the trait is inherited from the mother or the father.
Genetic imprinting
Larynx
Bronchi
A sex linked recessive disease
12. Layer that will become the gut lining as well as some accessory structures.
parasitic
Restriction enzymes
Endoderm
Cellulose - starch - lipid - and sugar molecules
13. Fruits that develop from a single ripened ovary (apple - olive - acorn - cucumber).
Cuticle
Cellulose - starch - lipid - and sugar molecules
Simple fruits
DNA produces particular genetic traits through
14. 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.
Very specific
Non-protein
Photolysis is a reaction of photosynthesis where
Scurvy
15. The effect of a substrate concentration on the initial reaction rate in the presence of a limited amount of enzyme: _________________ as the concentration of substrate is increased until all the enzymes are used - then the reaction rate will level of
Through nitrogen fixing bacteria and lighting
DNA produces particular genetic traits through
Early hominids...
Will increase the reaction rate
16. Is the major component of sand and is the most abundant element found in the lithosphere. It is not recycled.
Cnidaria
Paleozoic era
Cytosine
Silicon
17. Is the number of organisms that can be supported within a particular ecosystem.
The synthesis of ATP molecules to store energy is an example of
Desert
Carrying capacity
The salivary gland
18. A hydrogen bond involves the ________________ and can be easily broken.
Centrioles
Forebrain
Chromosome
Attraction of atoms of different polarity
19. Is very rare and is not absorbed by plant leaves. Phosphorous is nearly always found in solid form.
Interphase
The pancreas
Phosphorous gas
Prothallus
20. Channels is cell membranes that carry water between cells.
Biosphere
Hemophilia
Paleozoic era
Plasmodesmata
21. The individual we recognize as an adult fern.
Catabolism
Catabolism
Ectoderm
Mature sporophyte
22. Includes all living and nonliving components of the Earth to support living things.
Paleozoic era
Annelida
The biosphere
Gametogenesis
23. Is comprised of all the organisms that interact within a given ecosystem whether or not it is at carrying capacity.
Chromosome
The community
Genetic maintenance
Catabolism
24. The part of the earth that contains all living things - including the atmosphere (air) - the lithosphere (earth) - and the hydrosphere (water).
Common elements found in proteins
Biosphere
Ecological niches open up
Chordata
25. In both living and non-living environments.
The Hardy-Weinberg Law of Equilibrium
Enzymes catalyze reactions
Very specific
The theory of punctuated equilibrium
26. In DNA Thymine pairs with...
The biosphere
Very specific
A lysosome
Adenine
27. Is a protein - which is a polymer of amino acids. They generally have the suffix -ase- like lactase.
Hydrolysis
Morula
An enzyme
As energy is transferred through trophic levels
28. The number of organisms in a given community - can be above or below the carrying capacity.
The Nitrogen cycle
Population
Pharynx
Precambrian period
29. Plants and animals obtain usable nitrogen
Through nitrogen fixing bacteria and lighting
About five million years ago...
DNA produces particular genetic traits through
Morula
30. Contains organisms that are multicellular eukaryotes including molds and mushrooms.
Catabolism
Endocytic vesicles
Kingdom Fungi
The Hardy-Weinberg Law of Equilibrium
31. A sex-linked recessive disorder carried on the x chromosome in which an individual cannot perceive certain colors.
Carbon
The Cell Theory
Color blindness
Germ layers
32. Are easily converted to ATP - but the main energy products of the Krebs cycle liberate electrons then used in the electron transfer reactions.
The products of the Krebs cycle
Multiple fruit
Characteristics of water valuable to living organisms
Protista
33. Respiratory organs within insects
Anabolism
The biosphere
DNA produces particular genetic traits through
Spiracles
34. Is an abundant element found in protoplasm. Together with oxygen - hydrogen - and nitrogen - it composes over 90% of cellular structure.
Cytosine
Carbon
B Cells
Pi
35. The preservation of the integrity of genetic information from one generation to another.
Genetic maintenance
Ribonucleic acid
Plasmodesmata
Restriction enzymes
36. Is the organelle where cellular reproductive processes occur.
The nucleus
Habituation
Lymphocytes
Biogeochemical cycles
37. The pituitary gland.
Successful reproduction
Spiracles
A sudden change in the amount of extracellular fluid will be corrected by events following the release of substances from this organ.
Photolysis is a reaction of photosynthesis where
38. Must be present for photosynthesis to occur - it is not used up in the process.
Color blindness
Porifera
Electron Transfer System (ETS)
Chlorophyll
39. Are surrounded by capillaries that allow for carbon dioxide to diffuse into the lungs and oxygen to diffuse out.
Alveoli
The hormone aldosterone
Trachea
Cytosine
40. Ended with the extinction of the dinosaurs.
Hypothalamus
Mesozoic era
Silicon
Epidermal tissue
41. Is a coenzyme required in the synthesis of collagen.
Mitochondria
Mature sporophyte
Vitamin C
Genetic screening
42. Contain one celled eukaryotes such as algae and protozoa.
T Cells
The nucleus
Cerebellum
Kingdom Protista
43. The large brain and upright posture of Homo Sapiens...
Allopatric speciation
Mesozoic era
Interphase
Did not evolve together
44. This is a carboxyl group and is the signature group found within organic acids.
Vascular bundles
The cell's 'powerhouses'
C ---OH
pathogenic
45. Some enzymes contain a __________ component that is essential to their functions.
Non-protein
Lysis
The Cell Theory
Parenchyma tissue
46. A suffix meaning 'to break apart.' O || ||
Angiosperms
Common elements found in proteins
Lysis
Phototropism
47. Is a compound fruit that forms from several ovaries of separate flowers that fuse together during ripening (strawberry - or pineapple).
Tundra
Carbon
Nematoda
Multiple fruit
48. Is the outermost of the three main layers of an embryo.
Ectoderm tissue
Protista
Differential reproduction
The cell membrane (plasma membrane)
49. Consists of undifferentiated cells capable of quick growth and specialization. It is responsible for elongation of the stem.
Meristem tissue
Endoderm
Gregor Medel
Nematoda
50. 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
Ribonucleic acid
Through nitrogen fixing bacteria and lighting
Chimpanzees