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Test your basic knowledge |
CLEP Biology
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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).
Phloem tissue
Morula
Stem tissues
A lysosome
2. Secretes insulin to lower blood sugar and maintain equilibrium. A person eats three candy bars. Within minutes this endocrine gland affects blood-glucose homeostasis.
The pancreas
A prosthetic group
An inhibitor
Paleozoic era
3. 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
The salivary gland
Bryophytes
Iisotonic state
Endocytic vesicles
4. The bronchi lead to the two lungs where they branch out in all directions into smaller tubules known as bronchioles.
Bronchi
Filtered by the liver
Stomach secretions
The habitat of an organism includes
5. Absorb a photon of light and is found in the grana of the chloroplast.
The Nitrogen cycle
Alveoli
Chlorophyll has the ability to
Ecotone
6. Is disorganized - unravelled - DNA with histones attached.
A hydrogen bond
Chromatin
Midbrain
Color blindness
7. Is an abundant element found in protoplasm. Together with oxygen - hydrogen - and nitrogen - it composes over 90% of cellular structure.
DNA replication
Cuticle
Carbon
Ecological niches open up
8. Provide rigidity to plant cells (and some bacteria) and are not found within animal cells.
Cell walls
An inhibitor
The cell's 'powerhouses'
parasitic
9. Algae and Protozoa belong to the kingdom...
Phloem tissue
Protista
B Cells
Filtered by the liver
10. Attaches to an enzyme and blocks the enzyme reaction rather than enhancing it - like a prosthetic group would.
Cerebrum
Cytosine
The primary role of DNA in the cell
An inhibitor
11. Layer that will become the skin - some endocrine glands - and the nervous system.
Pharynx
Iisotonic state
A catalyst
Ectoderm
12. The class composed of birds.
Aves
Meristem tissue
Gametocide
Balance
13. Enzymes are usually __________ to certain reactions.
Mesoderm
Recycled environmental factors
A species role in the food chain is part of its
Very specific
14. The process of forming eggs and sperm cells in the reproductive organs.
Lysosomes
Gametogenesis
Differential reproduction
Precambrian period
15. Between the endoderm and ectoderm - layer that will eventually form the muscles - and organs of the skeletal - circulatory - respiratory - reproductive - and excretory systems.
Simple fruits
The biosphere
Epidermal tissue
Mesoderm
16. Is a substance that changes the speed of a reaction without being affected itself.
Population
A catalyst
The evolution leading to Homo Sapiens...
Fixed Action Pattern (FAP)
17. Is very rare and is not absorbed by plant leaves. Phosphorous is nearly always found in solid form.
Allopatric speciation
Phosphorous gas
pathogenic
C ---OH
18. Are organic cofactors or coenzymes that are required by some enzymatic reactions.
Lymphocytes
Saprophytic
Vitamins
The Hardy-Weinberg Law of Equilibrium
19. There was extensive radiation of fish during the Devonian and Silurian periods within the Paleozoic Era.
North America
Paleozoic era
Adenine
Cytosine
20. Are the organelles where cellular respiration occurs.
So it can be used over and over again.
The cell's 'powerhouses'
Mitochondria
Bronchi
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.
Non-protein
Phloem tissue
Differential reproduction
Recycled environmental factors
22. Is the process that releases energy for use by the cell.
Vitamin C
Morula
Cellular Respiration
Interphase
23. Is a kingdom that includes algae and protozoa.
Protista
Restriction enzymes
Porifera
Ectoderm tissue
24. Is a social behavior of an organism that is beneficial to the group at the individual's expense.
Pi
Bronchi
Characteristics of water valuable to living organisms
Altruism
25. Contain one celled eukaryotes such as algae and protozoa.
Cerebrum
Kingdom Protista
Will increase the reaction rate
Aganatha
26. Mass extinctions promote diversification because _______________ - making conditions favorable for the establishment of new - diverse species.
Angiosperms
Hydrolysis
Ecological niches open up
Genetic maintenance
27. Are cells involved in immunity and are produced in bone marrow as stem cells.
pathogenic
Lymphocytes
Mitochondria
Mesozoic era
28. The pituitary gland.
Kingdom Protista
A sudden change in the amount of extracellular fluid will be corrected by events following the release of substances from this organ.
Gene Migration
Phototropism
29. Is found in the root cap and is responsible for quick growth in the roots.
Cytosine
Meristem tissue
Parenchyma tissue
About five million years ago...
30. Covalent bonds
Share electrons
Meristem tissue
Free ribosomes
Filtered by the liver
31. Some patrol the blood for antigens - but are also equipped to destroy antigens. They may regulate immune responses as well.
Simple fruits
T Cells
Precambrian period
A sex linked recessive disease
32. (of some plants or fungi) feeding on dead or decaying organic matter
Saprophytic
Larynx
Epidermal tissue
Electron Transfer System (ETS)
33. Carbon - Hydrogen - Oxygen - and Nitrogen
Phloem tissue
The Cell Theory
Common elements found in proteins
Vascular bundles
34. 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.
Stem tissues
Centrioles
C ---OH
parasitic
35. Contains organisms that are multicellular eukaryotes including molds and mushrooms.
Internodal tissue
Kingdom Fungi
pH of Water
The cuticle
36. Is a phylum that contains sponges.
Porifera
Mitochondria
Recycled environmental factors
Iisotonic state
37. 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.
Trachea
Cell walls
Very specific
Ecological niches open up
38. 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
Cellular Metabolism
Successful reproduction
Germ layers
39. Synthesis
Biosphere
Vascular bundles
Anabolism
Hemophilia
40. Inorganic phosphate
Chordata
Cnidaria
Pi
Vascular bundles make up the
41. In DNA Thymine pairs with...
Electron Transfer System (ETS)
Cellular Metabolism
Aganatha
Adenine
42. Produce seeds without flowers. They include conifers (cone-bearers) and cycads.
Carbon
Gymnosperms
Lysosomes
Pharynx
43. Super-class of vertebrae including organisms with no jaws.
Through nitrogen fixing bacteria and lighting
Aggregate fruit
Aganatha
So it can be used over and over again.
44. Has extreme hot or cold temperatures - with very low precipitation - sandy or rocky terrain - sparse vegetation (mainly succulents) - small animals - rodents - and reptiles.
Phototropism
Desert
Attraction of atoms of different polarity
Nucleotides
45. Anabolism
The pituitary gland
Allopatric speciation
Tundra
The synthesis of ATP molecules to store energy is an example of
46. Is the period when the cell is active in carrying on the function it was designed to perform within the organism. Cells spend much more time in interphase than in cell division.
Kingdom Protista
Cellular Metabolism
Ionic bonds involve
Interphase
47. Occurs when two populations are geographically isolated from each other. Over time this results in the production of two separate species.
Allopatric speciation
The cuticle
Cellular Respiration
The biosphere
48. 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
North America
Plasmodesmata
Phototropism
Phyla
49. An enzyme is unaffected by the reactions it catalyzes
Sudden appearance and disappearance of fossil species
Ectoderm
Lymphocytes
So it can be used over and over again.
50. Is a compound fruit that forms from several ovaries of separate flowers that fuse together during ripening (strawberry - or pineapple).
Anabolism
Nematoda
Multiple fruit
Spiracles
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