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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. Transfers water and does not require sieve plates to allow nutrients through.
Gregor Medel
Xylem tissue
Ectoderm
Gene Migration
2. Is disorganized - unravelled - DNA with histones attached.
Chromatin
Common elements found in proteins
Tundra
Cuticle
3. Attaches to an enzyme and blocks the enzyme reaction rather than enhancing it - like a prosthetic group would.
Adenine
The pancreas
An inhibitor
Angiosperms
4. Engages in both passive and active transport.
The cell membrane (plasma membrane)
Bronchi
Filtered by the liver
Catabolism
5. 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.
Hydrolysis
Precambrian period
Cytosine
Endoderm
6. Algae and Protozoa belong to the kingdom...
Protista
Endoderm
Mature sporophyte
Non-protein
7. Secretes insulin to lower blood sugar and maintain equilibrium. A person eats three candy bars. Within minutes this endocrine gland affects blood-glucose homeostasis.
Ribonucleic acid
The pancreas
Kingdom Animalia
Chromosome
8. Most fossils of Hominids are from continents other than...
North America
So it can be used over and over again.
Hypothalamus
Kingdom Protista
9. The solid mass of cells resulting from the cleavage of the ovum before the formation of a blastula.
The Nitrogen cycle
The products of the Krebs cycle
Genetic imprinting
Morula
10. Produce adrenaline. This hormone is a well-known constrictor of blood vessels.
The nucleus
The Cell Theory
Sudden appearance and disappearance of fossil species
The adrenal glands
11. Is more like branching out of a tree with dead ends and new branches appearing simultaneously than like steps on a ladder.
An enzyme
Adenine
The evolution leading to Homo Sapiens...
pathogenic
12. Is the outermost of the three main layers of an embryo.
Ectoderm tissue
Alveoli
Multiple fruit
The community
13. The pituitary gland.
Phosphorous gas
A sudden change in the amount of extracellular fluid will be corrected by events following the release of substances from this organ.
Vitamins
The nucleus
14. Contain organisms that are multicellular eukaryotes including vertebrates and invertebrates.
Protista
Kingdom Animalia
Angiosperms
Phosphorous gas
15. Controls balance and muscle coordination
Recycled environmental factors
Cerebellum
Natality
The Nitrogen cycle
16. Layer that will become the gut lining as well as some accessory structures.
Endoderm
Circadian rhythms
Ecotone
Hemophilia
17. An opportunistic life strategy strategy. Lichens invading a bare rock area after a volcanic eruption is an example.
B Cells
Epidermal tissue
R-selection
The primary role of DNA in the cell
18. Biotic (living) factors such as population and food source - and abiotic (non-living) factors such as weather - temperature - soil features - sunlight).
The habitat of an organism includes
The pituitary gland
Chlorophyll has the ability to
Ectoderm
19. The process whereby cells build molecules and store energy (in the form of covalent chemical bonds).
The pituitary gland
Anabolsim
The products of the Krebs cycle
The salivary gland
20. Are produced when water passes through the cell membrane by osmosis from an area of higher concentration to an area of lower concentration - to equalize water concentration.
Isotonic Conditions
Phototropism
Chlorophyll has the ability to
Pi
21. Are membrane-bound organelles that contain digestive enzymes that digest dead or unused material within the cell or materials absorbed by the cell for use.
parasitic
Lysosomes
Morula
An enzyme
22. In both living and non-living environments.
Enzymes catalyze reactions
Phototropism
Gymnosperms
Gene Migration
23. 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
The cell's 'powerhouses'
The Cambrian Period
Gametocide
Phototropism
24. Refers to the birthrate of a population.
Free ribosomes
A species role in the food chain is part of its
Hypothalamus
Natality
25. 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.
Electron Transfer System (ETS)
The cuticle
Interphase
Non-protein
26. Is found on the stem between nodes.
Photolysis is a reaction of photosynthesis where
The products of the Krebs cycle
Internodal tissue
North America
27. Are cells involved in immunity and are produced in bone marrow as stem cells.
Lymphocytes
DNA produces particular genetic traits through
Paleozoic era
Ecological niches open up
28. Is secreted by the adrenal cortex to promote sodium reabsorption in the kidney.
Stomach secretions
Ionic bonds involve
The hormone aldosterone
Natality
29. An enzyme is unaffected by the reactions it catalyzes
So it can be used over and over again.
Photolysis is a reaction of photosynthesis where
Gametogenesis
Parenchyma tissue
30. Covers and protects the leaf.
Cuticle
Catabolism
Population
Aganatha
31. Ended with the extinction of the dinosaurs.
Fixed Action Pattern (FAP)
Recycled environmental factors
The Cell Theory
Mesozoic era
32. The phylum of insects (bees).
Genome
The evolution leading to Homo Sapiens...
Non-protein
Arthropoda
33. Are surrounded by capillaries that allow for carbon dioxide to diffuse into the lungs and oxygen to diffuse out.
A species role in the food chain is part of its
Porifera
Habitat
Alveoli
34. Must be present for photosynthesis to occur - it is not used up in the process.
The nucleus
The habitat of an organism includes
Chlorophyll
T Cells
35. Veins in the leaf and are also distributed throughout the stem
Vascular bundles make up the
Parenchyma tissue
Through nitrogen fixing bacteria and lighting
Gene Migration
36. Are more closely related to Homo Sapiens than to other apes - but Homo Sapiens did not evolve from chimpanzees.
Chimpanzees
Cuticle
So it can be used over and over again.
A lysosome
37. In DNA Thymine pairs with...
The salivary gland
Larynx
An enzyme
Adenine
38. 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
Electron Transfer System (ETS)
Ectoderm
Through nitrogen fixing bacteria and lighting
39. Is a substance that changes the speed of a reaction without being affected itself.
Successful reproduction
Meristem tissue
Hypothalamus
A catalyst
40. Is found in the root cap and is responsible for quick growth in the roots.
Alveoli
Ionic bonds involve
Meristem tissue
The adrenal glands
41. Is a social behavior of an organism that is beneficial to the group at the individual's expense.
Hydrolysis
Altruism
Ionic bonds involve
Non-protein
42. Is weaker than ionic - covalent - disulfide - or double bonds.
A hydrogen bond
Kingdom Plantae
So it can be used over and over again.
Circadian rhythms
43. What phylum are snakes in?
Recycled environmental factors
The habitat of an organism includes
Chordata
Cerebellum
44. Is comprised of all the organisms that interact within a given ecosystem whether or not it is at carrying capacity.
The community
Balance
Cell walls
Fixed Action Pattern (FAP)
45. Include: Vascular tissue - including both xylem and phloem - and sieve plates existing between cells of the stem.
Mitochondria
Very specific
Stem tissues
Chlorophyll has the ability to
46. Some enzymes contain a __________ component that is essential to their functions.
Non-protein
Lysis
Chlorophyll has the ability to
parasitic
47. Where protein synthesis occurs. They float unattached in the cytoplasm. They contain RNA that is specific to their function in protein formation.
R-selection
Stomach secretions
Free ribosomes
Mitochondria
48. Are the monomers that form nucleic acids - containing a sugar - phosphate group - and a nitrogenous base.
Chromatin
Altruism
Nucleotides
Chlorophyll
49. The physical place where a particular organism lives. It must include all the factors that will support its life and reproduction.
The salivary gland
DNA replication
Habitat
The Cambrian Period
50. Carbon - nitrogen - phosphorous - and water. These are all recycled through biogeochemical processes.
Morula
The cell's 'powerhouses'
Stomach secretions
Recycled environmental factors