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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. Includes all living and nonliving components of the Earth to support living things.
The biosphere
Hydrolysis
A prosthetic group
Successful reproduction
2. The vocal cords are found in the larynx.
Niche
Larynx
Restriction enzymes
A catalyst
3. Absorb a photon of light and is found in the grana of the chloroplast.
Chlorophyll has the ability to
Aganatha
Phosphorous gas
Prosthetic groups
4. 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.
Chimpanzees
The habitat of an organism includes
Characteristics of water valuable to living organisms
Germ layers
5. Fruits that develop from a single ripened ovary (apple - olive - acorn - cucumber).
Endoderm
The nucleus
Simple fruits
Cerebellum
6. Is the organelle where cellular reproductive processes occur.
Phototropism
Plasmodesmata
The nucleus
The pituitary gland
7. Is the outermost of the three main layers of an embryo.
Ectoderm tissue
Aganatha
Protista
Meristem tissue
8. Is a protein - which is a polymer of amino acids. They generally have the suffix -ase- like lactase.
Cenozoic era
An enzyme
Will increase the reaction rate
Carbon
9. 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
Kingdom Plantae
An enzyme
Phototropism
Characteristics of water valuable to living organisms
10. 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).
Prosthetic groups
Anabolsim
The key limiting factor on cell size
Phloem tissue
11. 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.
Attraction of atoms of different polarity
Gregor Medel
The nucleus
Interphase
12. Is the waxy protective outer coating of leaves.
The cuticle
Forebrain
Chlorophyll
The products of the Krebs cycle
13. Mitochondria - they constitute the center of cellular respiration.
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14. Is more like branching out of a tree with dead ends and new branches appearing simultaneously than like steps on a ladder.
Porifera
Kingdom Animalia
The evolution leading to Homo Sapiens...
Lysosomes
15. The transfer of electrons.
A catalyst
Vascular bundles
Share electrons
Ionic bonds involve
16. Is a compound fruit that develops from many ovaries of a single flower fusing together (raspberry).
Aggregate fruit
pathogenic
Vascular bundles
Protista
17. Enzymes are usually __________ to certain reactions.
Germ layers
Hydrolysis
Very specific
parasitic
18. Occurs when an individual from an adjacent population of the same species immigrates and breeds with a member of a previously locally isolated group - resulting in a change in the gene pool.
Gene Migration
Mitochondria
Multiple fruit
The Hardy-Weinberg Law of Equilibrium
19. In both living and non-living environments.
T Cells
Plasmodesmata
Enzymes catalyze reactions
pathogenic
20. Is composed of a double layer (bilayer) of phospholipids with protein globules imbedded within the layers. The construction of the membrane allows it to aid the function of the cell by permitting entrance and exit of molecules as needed by the cell.
Ectoderm tissue
Niche
The cell membrane
Lactose
21. Transfers water and does not require sieve plates to allow nutrients through.
Cnidaria
Porifera
Lysis
Xylem tissue
22. The systematic search for individuals with a specific genotype in a delineated population.
An inhibitor
Hemophilia
Genetic screening
Plasmodesmata
23. The destruction of gametes - (sex cells such as sperm and eggs).
Gametocide
A lysosome
Hypothalamus
The cell's 'powerhouses'
24. Is an ion that binds to an enzyme making it more able to catalyze a reaction.
Ribonucleic acid
Phloem tissue
A prosthetic group
Pharynx
25. The process whereby cells build molecules and store energy (in the form of covalent chemical bonds).
Stomach secretions
Cell walls
Forebrain
Anabolsim
26. A sex-linked recessive disorder carried on the x chromosome in which an individual cannot perceive certain colors.
Color blindness
Mitochondria
Free ribosomes
Phloem tissue
27. Nonvascular plants such as mosses which lack tissue for conducting food or water.
The Nitrogen cycle
Imprinting
Non-protein
Bryophytes
28. Layer that will become the skin - some endocrine glands - and the nervous system.
Restriction enzymes
An enzyme
Ionic bonds involve
Ectoderm
29. 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.
Ribonucleic acid
Trachea
A catalyst
Bryophytes
30. Sex-linked recessive disorder carried on the x chromosome defined by the absence of one or more proteins required for blood clotting
Hemophilia
Protista
Vitamin C
A catalyst
31. A hydrogen bond involves the ________________ and can be easily broken.
Attraction of atoms of different polarity
Annelida
Characteristics of water valuable to living organisms
Genetic maintenance
32. Some energy is lost as heat and becomes unusable.
Natality
Biosphere
As energy is transferred through trophic levels
Characteristics of water valuable to living organisms
33. A suffix meaning 'to break apart.' O || ||
Vitamins
A species role in the food chain is part of its
Natality
Lysis
34. Super-class of vertebrae including organisms with jaws.
Ionic bonds involve
Aves
Gnathostomata
Epidermal tissue
35. 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.
A lysosome
Photolysis is a reaction of photosynthesis where
Circadian rhythms
Endocytic vesicles
36. Is disorganized - unravelled - DNA with histones attached.
The products of the Krebs cycle
Kingdom Fungi
Chromatin
North America
37. The pharynx is between the nasal passage and the trachea. Air passes into the body via the nasal passage - then passes through the pharynx and on to the trachea.
Through nitrogen fixing bacteria and lighting
A catalyst
Cerebrum
Pharynx
38. Contains organisms that are multicellular eukaryotes including molds and mushrooms.
Ectoderm tissue
Phototropism
Kingdom Fungi
Stomach secretions
39. Carbon - nitrogen - phosphorous - and water. These are all recycled through biogeochemical processes.
The pancreas
Bryophytes
The salivary gland
Recycled environmental factors
40. Contains multicellular photosynthetic eukaryotic organisms including gymnosperms and angiosperms.
Kingdom Plantae
The nucleus
Plasmodesmata
The cell's 'powerhouses'
41. Is very rare and is not absorbed by plant leaves. Phosphorous is nearly always found in solid form.
Phosphorous gas
Scurvy
The adrenal glands
A prosthetic group
42. Consists of undifferentiated cells capable of quick growth and specialization. It is responsible for elongation of the stem.
Meristem tissue
Protista
Vitamin C
Stomach secretions
43. (of some plants or fungi) feeding on dead or decaying organic matter
A prosthetic group
Multiple fruit
Vitamins
Saprophytic
44. 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.
Gymnosperms
Successful reproduction
Cytosine
Altruism
45. Biotic (living) factors such as population and food source - and abiotic (non-living) factors such as weather - temperature - soil features - sunlight).
Arthropoda
Vitamins
The habitat of an organism includes
Kingdom Protista
46. Is weaker than ionic - covalent - disulfide - or double bonds.
Gymnosperms
Aves
A hydrogen bond
The Nitrogen cycle
47. Is a kind of plain characterized by a warm climate - grassland - and seasonally dry climate conditions.
Pi
Savanna
A hydrogen bond
Protista
48. Is a phylum that contains jellyfish - hydra - etc.
A sudden change in the amount of extracellular fluid will be corrected by events following the release of substances from this organ.
Cnidaria
Niche
The community
49. The phyla composed of segmented worms.
Restriction enzymes
Genetic maintenance
Ectoderm tissue
Annelida
50. Refers to the birthrate of a population.
Epidermal tissue
Imprinting
Natality
Chlorophyll has the ability to