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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. Mass extinctions promote diversification because _______________ - making conditions favorable for the establishment of new - diverse species.
Vascular bundles
Arthropoda
A sex linked recessive disease
Ecological niches open up
2. Produce adrenaline. This hormone is a well-known constrictor of blood vessels.
The adrenal glands
Desert
Imprinting
The pancreas
3. High temperatures
Destroy most enzymes
Niche
Stem tissues
Mitochondria
4. There was extensive radiation of fish during the Devonian and Silurian periods within the Paleozoic Era.
Phototropism
Paleozoic era
Silicon
Share electrons
5. In DNA Thymine pairs with...
Adenine
Anabolism
Chordata
Niche
6. Contains organisms that are multicellular eukaryotes including molds and mushrooms.
Bryophytes
Kingdom Fungi
Will increase the reaction rate
Successful reproduction
7. Allows for the genetic code to be preserved in future generations of cells.
Kingdom Plantae
DNA replication
Phosphorous gas
Pharynx
8. Is a coenzyme required in the synthesis of collagen.
Gnathostomata
Vitamin C
The Nitrogen cycle
Saprophytic
9. Plants that produce flowers as reproductive organs. They have two divisions - monocots and dicots.
Angiosperms
Anabolism
Vascular bundles
Hypothalamus
10. Is a social behavior of an organism that is beneficial to the group at the individual's expense.
Did not evolve together
Carbon
Altruism
Genome
11. Is a compound fruit that develops from many ovaries of a single flower fusing together (raspberry).
Aggregate fruit
Destroy most enzymes
Kingdom Protista
Cuticle
12. The pituitary gland.
B Cells
A prosthetic group
A sudden change in the amount of extracellular fluid will be corrected by events following the release of substances from this organ.
Mesoderm
13. Develops from the morula as a thin layer of cells surrounding an internal cavity.
Genetic maintenance
Cnidaria
Parenchyma tissue
Blastula
14. 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).
Phloem tissue
Population
Lysis
Mesoderm
15. Occurs when two populations are geographically isolated from each other. Over time this results in the production of two separate species.
Gymnosperms
DNA replication
Phyla
Allopatric speciation
16. Is a molecule that stores information for protein synthesis and genetic coding.
Xylem tissue
Successful reproduction
As energy is transferred through trophic levels
Ribonucleic acid
17. Contains optic lobes - controls sight.
Multiple fruit
Midbrain
T Cells
Stem tissues
18. 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.
Stomach secretions
R-selection
Mitochondria
Bronchi
19. Algae and Protozoa belong to the kingdom...
Protista
North America
Gregor Medel
Ribonucleic acid
20. Are easily converted to ATP - but the main energy products of the Krebs cycle liberate electrons then used in the electron transfer reactions.
Stem tissues
Scurvy
A species role in the food chain is part of its
The products of the Krebs cycle
21. Proposes that those individuals within a population that are most adapted to the environment are also the most likely individuals to produce viable offspring.
Differential reproduction
Chlorophyll has the ability to
Gametocide
Natality
22. Must be present for photosynthesis to occur - it is not used up in the process.
Plasmodesmata
Kingdom Plantae
Chlorophyll
The products of the Krebs cycle
23. The part of the earth that contains all living things - including the atmosphere (air) - the lithosphere (earth) - and the hydrosphere (water).
Prothallus
Pharynx
Cytosine
Biosphere
24. 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
Phototropism
Morula
Annelida
Free ribosomes
25. (of some plants or fungi) feeding on dead or decaying organic matter
Saprophytic
Meristem tissue
Cell walls
The biosphere
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.
North America
The primary role of DNA in the cell
Meristem tissue
The pituitary gland
27. Protein synthesis
The hormone aldosterone
A mutation
DNA produces particular genetic traits through
Hypothalamus
28. Is composed of an anterior and posterior lobe. The stalk of the lobe is connected to the hypothalamus. Antidiuretic Hormone (AH) is produced in the hypothalamus and stored in the posterior pituitary. Upon nervous stimulation from the hypothalamus - t
The adrenal glands
The pituitary gland
Nucleotides
Adenine
29. Is disorganized - unravelled - DNA with histones attached.
The Hardy-Weinberg Law of Equilibrium
Cellular Respiration
Chromatin
The evolution leading to Homo Sapiens...
30. An enzyme is unaffected by the reactions it catalyzes
North America
Carrying capacity
So it can be used over and over again.
Angiosperms
31. Anabolism
Gregor Medel
The synthesis of ATP molecules to store energy is an example of
Cell walls
The hormone aldosterone
32. Absorb a photon of light and is found in the grana of the chloroplast.
Chlorophyll has the ability to
Saprophytic
Cellulose - starch - lipid - and sugar molecules
Protista
33. The bronchi lead to the two lungs where they branch out in all directions into smaller tubules known as bronchioles.
parasitic
Adenine
Bronchi
Ribonucleic acid
34. Plants and animals obtain usable nitrogen
Isotonic Conditions
About five million years ago...
Genetic imprinting
Through nitrogen fixing bacteria and lighting
35. Inorganic phosphate
Pi
Savanna
Bryophytes
Kingdom Fungi
36. An opportunistic life strategy strategy. Lichens invading a bare rock area after a volcanic eruption is an example.
Kingdom Animalia
Saprophytic
R-selection
Imprinting
37. Layer that will become the skin - some endocrine glands - and the nervous system.
Phototropism
Ectoderm
Circadian rhythms
Mesoderm
38. Disease causing
pathogenic
Common elements found in proteins
Prosthetic groups
The Cell Theory
39. Some patrol the blood for antigens - but are also equipped to destroy antigens. They may regulate immune responses as well.
Phyla
T Cells
Vascular bundles
Cuticle
40. Is an abundant element found in protoplasm. Together with oxygen - hydrogen - and nitrogen - it composes over 90% of cellular structure.
Carbon
A prosthetic group
Nucleotides
Kingdom Fungi
41. 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
Restriction enzymes
Cellular Metabolism
42. The process whereby cells build molecules and store energy (in the form of covalent chemical bonds).
Hypothalamus
Successful reproduction
Anabolsim
Stomach secretions
43. Includes all living and nonliving components of the Earth to support living things.
The cell membrane
The biosphere
The synthesis of ATP molecules to store energy is an example of
Xylem tissue
44. The destruction of gametes - (sex cells such as sperm and eggs).
A gene is
Gametocide
Gametogenesis
Ecological niches open up
45. Is a kind of plain characterized by a warm climate - grassland - and seasonally dry climate conditions.
Savanna
The synthesis of ATP molecules to store energy is an example of
Successful reproduction
Biogeochemical cycles
46. Subsets below the kingdom level
Altruism
Prothallus
Angiosperms
Phyla
47. Controls sensory and motor responses - and controls memory - speech - and intelligence factors.
Altruism
Cerebrum
The cuticle
Angiosperms
48. Occurs when an individual learns not to respond to a particular stimulus - for instance when a stimulus is repeated many times without consequence.
The pituitary gland
Habituation
Cerebellum
Cuticle
49. Produce seeds without flowers. They include conifers (cone-bearers) and cycads.
Parenchyma tissue
Restriction enzymes
Kingdom Fungi
Gymnosperms
50. The most recent and present era. It includes the radiation of flowering plants - the angiosperms.
Iisotonic state
Forebrain
The Cambrian Period
Cenozoic era