SUBJECTS
|
BROWSE
|
CAREER CENTER
|
POPULAR
|
JOIN
|
LOGIN
Business Skills
|
Soft Skills
|
Basic Literacy
|
Certifications
About
|
Help
|
Privacy
|
Terms
|
Email
Search
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 social behavior of an organism that is beneficial to the group at the individual's expense.
Cellular Respiration
Annelida
Multiple fruit
Altruism
2. 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
The Cell Theory
Differential reproduction
About five million years ago...
3. A sex-linked recessive disorder carried on the x chromosome in which an individual cannot perceive certain colors.
Altruism
Color blindness
Cuticle
Through nitrogen fixing bacteria and lighting
4. Synthesis
Did not evolve together
Vascular bundles
parasitic
Anabolism
5. Is the number of organisms that can be supported within a particular ecosystem.
Lactose
Carrying capacity
Epidermal tissue
Stem tissues
6. The process of forming eggs and sperm cells in the reproductive organs.
DNA produces particular genetic traits through
Gametogenesis
The synthesis of ATP molecules to store energy is an example of
Lysis
7. Are the organelles where cellular respiration occurs.
The nucleus
Forebrain
Mitochondria
Pi
8. 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
Circadian rhythms
Aggregate fruit
The products of the Krebs cycle
Cuticle
9. 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.
An inhibitor
Lysis
Successful reproduction
The nucleus
10. Produce seeds without flowers. They include conifers (cone-bearers) and cycads.
pathogenic
Gymnosperms
Gametogenesis
Adenine
11. The bronchi lead to the two lungs where they branch out in all directions into smaller tubules known as bronchioles.
Differential reproduction
The community
Stem tissues
Bronchi
12. 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
Circadian rhythms
Chromosome
Saprophytic
13. Biotic (living) factors such as population and food source - and abiotic (non-living) factors such as weather - temperature - soil features - sunlight).
Will increase the reaction rate
Genome
The habitat of an organism includes
Gene Migration
14. Is more like branching out of a tree with dead ends and new branches appearing simultaneously than like steps on a ladder.
The evolution leading to Homo Sapiens...
Stem tissues
Destroy most enzymes
Balance
15. 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.
Cytosine
Niche
Ecotone
Germ layers
16. The most recent and present era. It includes the radiation of flowering plants - the angiosperms.
R-selection
Habituation
The cell membrane (plasma membrane)
Cenozoic era
17. Covalent bonds
C ---OH
Share electrons
Natality
Carbon
18. An orienting response to light.
Isotonic Conditions
Circadian rhythms
Phototropism
Sudden appearance and disappearance of fossil species
19. Is the outermost of the three main layers of an embryo.
Saprophytic
Ectoderm tissue
Lymphocytes
Lysis
20. Is a special protein that acts as a catalyst for organic reactions.
T Cells
Endocytic vesicles
An enzyme
Carrying capacity
21. Channels is cell membranes that carry water between cells.
Phosphorous gas
C ---OH
Bronchi
Plasmodesmata
22. Absorb a photon of light and is found in the grana of the chloroplast.
Biosphere
Share electrons
Will increase the reaction rate
Chlorophyll has the ability to
23. Has an equal (50%) chance of being passed from a carrier mother to a son or a daughter.
Forebrain
A sex linked recessive disease
Habitat
Ecotone
24. Transparency - polarity - high specific heat - and density (lower density when solid than when liquid.).
Balance
Biosphere
Characteristics of water valuable to living organisms
Prosthetic groups
25. Is found on the stem between nodes.
Population
Internodal tissue
Differential reproduction
Habitat
26. Are easily converted to ATP - but the main energy products of the Krebs cycle liberate electrons then used in the electron transfer reactions.
The theory of punctuated equilibrium
Ecotone
Chordata
The products of the Krebs cycle
27. Is comprised of all the organisms that interact within a given ecosystem whether or not it is at carrying capacity.
The community
Cuticle
About five million years ago...
Plasmodesmata
28. Stood upright before there was an increase in brain size.
Recycled environmental factors
Early hominids...
Blastula
Protista
29. Contain organisms that are multicellular eukaryotes including vertebrates and invertebrates.
An inhibitor
Kingdom Animalia
Chordata
Scurvy
30. The role played by an organism in its food chain.
Attraction of atoms of different polarity
The nucleus
Chromatin
Niche
31. Contains multicellular photosynthetic eukaryotic organisms including gymnosperms and angiosperms.
Kingdom Plantae
pH of Water
Silicon
Circadian rhythms
32. Layer that will become the gut lining as well as some accessory structures.
Endoderm
Precambrian period
Lysis
Gymnosperms
33. 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.
Aggregate fruit
Carrying capacity
A mutation
Kingdom Animalia
34. Produce adrenaline. This hormone is a well-known constrictor of blood vessels.
Mitochondria
Ribonucleic acid
The adrenal glands
Circadian rhythms
35. Contains optic lobes - controls sight.
Electron Transfer System (ETS)
Midbrain
Hemophilia
R-selection
36. 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
Phyla
Will increase the reaction rate
Kingdom Animalia
Cellulose - starch - lipid - and sugar molecules
37. Inorganic phosphate
Pi
Carbon
Mature sporophyte
Simple fruits
38. The solid mass of cells resulting from the cleavage of the ovum before the formation of a blastula.
Gregor Medel
A gene is
The hormone aldosterone
Morula
39. Is disorganized - unravelled - DNA with histones attached.
DNA replication
Successful reproduction
Chromatin
Niche
40. Energy transformations that occur as chemicals are broken down or synthesized within the cell.
Free ribosomes
Cellular Metabolism
Multiple fruit
Attraction of atoms of different polarity
41. Ended with the extinction of the dinosaurs.
A species role in the food chain is part of its
Xylem tissue
The adrenal glands
Mesozoic era
42. Consists of undifferentiated cells capable of quick growth and specialization. It is responsible for elongation of the stem.
The nucleus
The primary role of DNA in the cell
Lymphocytes
Meristem tissue
43. Are more closely related to Homo Sapiens than to other apes - but Homo Sapiens did not evolve from chimpanzees.
Niche
Did not evolve together
Ecological niches open up
Chimpanzees
44. Fruits that develop from a single ripened ovary (apple - olive - acorn - cucumber).
Simple fruits
Prothallus
Xylem tissue
Cerebrum
45. 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.
A prosthetic group
The primary role of DNA in the cell
Vitamin C
Stomach secretions
46. 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).
Spiracles
Aganatha
Share electrons
Scurvy
47. Is the process that releases energy for use by the cell.
A lysosome
Phosphorous
Through nitrogen fixing bacteria and lighting
Cellular Respiration
48. The part of the earth that contains all living things - including the atmosphere (air) - the lithosphere (earth) - and the hydrosphere (water).
Gene Migration
Hemophilia
Biosphere
Arthropoda
49. Some enzymes contain a __________ component that is essential to their functions.
The salivary gland
Catabolism
Non-protein
Share electrons
50. Nonvascular plants such as mosses which lack tissue for conducting food or water.
Anabolism
Bryophytes
About five million years ago...
Centrioles