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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. The solid mass of cells resulting from the cleavage of the ovum before the formation of a blastula.
Nematoda
A hydrogen bond
Morula
An enzyme
2. Is disorganized - unravelled - DNA with histones attached.
Chromatin
Imprinting
Endoderm
Catabolism
3. The destruction of gametes - (sex cells such as sperm and eggs).
Color blindness
Genetic maintenance
Pharynx
Gametocide
4. Algae and Protozoa belong to the kingdom...
Porifera
The primary role of DNA in the cell
Sudden appearance and disappearance of fossil species
Protista
5. The role played by an organism in its food chain.
Protista
Did not evolve together
Niche
The Hardy-Weinberg Law of Equilibrium
6. Assumes that there are periods of stability during which little evolutionary change occurs - and that speciation can occur rapidly over a very short period of time.
Porifera
Aggregate fruit
Phototropism
The theory of punctuated equilibrium
7. Is the organelle where cellular reproductive processes occur.
The nucleus
Aganatha
Mesoderm
Differential reproduction
8. What phylum are snakes in?
Silicon
Chordata
The cell membrane
Share electrons
9. Fruits that develop from a single ripened ovary (apple - olive - acorn - cucumber).
Mesoderm
Simple fruits
The primary role of DNA in the cell
The Cell Theory
10. 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
Alveoli
Chromosome
Mature sporophyte
11. 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).
Chromatin
Ecotone
Phloem tissue
Hemophilia
12. The individual we recognize as an adult fern.
Through nitrogen fixing bacteria and lighting
Chromosome
Trachea
Mature sporophyte
13. Controls hunger and thirst
Hypothalamus
Carbon
Angiosperms
A species role in the food chain is part of its
14. 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.
Balance
Photolysis is a reaction of photosynthesis where
Kingdom Animalia
Catabolism
15. Covers and protects the leaf.
Cuticle
Anabolsim
Mesozoic era
Kingdom Protista
16. Must be present for photosynthesis to occur - it is not used up in the process.
Stomach secretions
The pituitary gland
Chlorophyll
The Cambrian Period
17. Decomposition of living matter for consumption.
Common elements found in proteins
Catabolism
parasitic
Morula
18. Contain one celled eukaryotes such as algae and protozoa.
Kingdom Protista
Attraction of atoms of different polarity
The cell's 'powerhouses'
Forebrain
19. Protein synthesis
DNA produces particular genetic traits through
parasitic
Phosphorous gas
Scurvy
20. 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.
Differential reproduction
Pharynx
Through nitrogen fixing bacteria and lighting
Cenozoic era
21. Respiratory organs within insects
Spiracles
Forebrain
The key limiting factor on cell size
Allopatric speciation
22. Allows for the genetic code to be preserved in future generations of cells.
Precambrian period
An enzyme
DNA replication
Meristem tissue
23. Is the outermost of the three main layers of an embryo.
Carbon
Chlorophyll
Porifera
Ectoderm tissue
24. 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.
Mesoderm
Adenine
Plasmodesmata
Precambrian period
25. Mass extinctions promote diversification because _______________ - making conditions favorable for the establishment of new - diverse species.
Anabolsim
Ecological niches open up
Stem tissues
Differential reproduction
26. The sharp boundary of an ecosystem.
Ecotone
Kingdom Plantae
Aganatha
Gymnosperms
27. Subsets below the kingdom level
The cell membrane (plasma membrane)
Phyla
Genome
Phototropism
28. Are organic cofactors or coenzymes that are required by some enzymatic reactions.
Vascular bundles make up the
Vitamins
Gregor Medel
A gene is
29. Is a phylum that contains jellyfish - hydra - etc.
Cnidaria
Lymphocytes
Kingdom Protista
A hydrogen bond
30. The preservation of the integrity of genetic information from one generation to another.
Mitochondria
Stomach secretions
Genetic maintenance
A prosthetic group
31. States that where random mating is occurring within a population that is in equilibrium with its environment - the gene frequencies and genotype ratios will remain constant from generation to generation. It is a mathematical formula that shows why re
The Hardy-Weinberg Law of Equilibrium
Desert
Phloem tissue
Arthropoda
32. Attaches to an enzyme and blocks the enzyme reaction rather than enhancing it - like a prosthetic group would.
About five million years ago...
An inhibitor
Phyla
The pancreas
33. Is a kind of plain characterized by a warm climate - grassland - and seasonally dry climate conditions.
Savanna
Phosphorous gas
T Cells
The hormone aldosterone
34. Ended with the extinction of the dinosaurs.
Trachea
Mesozoic era
A sudden change in the amount of extracellular fluid will be corrected by events following the release of substances from this organ.
Niche
35. Is the waxy protective outer coating of leaves.
The cell membrane
The habitat of an organism includes
Vascular bundles
The cuticle
36. Is a compound fruit that develops from many ovaries of a single flower fusing together (raspberry).
Pi
Phosphorous
Aggregate fruit
Phyla
37. Most fossils of Hominids are from continents other than...
North America
Hydrolysis
Genome
Catabolism
38. Is found on the stem between nodes.
Stomach secretions
Meristem tissue
Internodal tissue
About five million years ago...
39. Synthesis
Plasmodesmata
Anabolism
The Cambrian Period
Circadian rhythms
40. Layer that will become the skin - some endocrine glands - and the nervous system.
Pi
A sex linked recessive disease
Ectoderm
Catabolism
41. The process of forming eggs and sperm cells in the reproductive organs.
Characteristics of water valuable to living organisms
The synthesis of ATP molecules to store energy is an example of
Gametogenesis
Vitamins
42. 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
Kingdom Protista
Chimpanzees
The adrenal glands
43. A suffix meaning 'to break apart.' O || ||
An enzyme
Phyla
Lysis
Carbon
44. Nonvascular plants such as mosses which lack tissue for conducting food or water.
The nucleus
Fixed Action Pattern (FAP)
Bryophytes
Non-protein
45. Becomes available for erosion as undersea sedimentary rocks are up-thrust by volcanic activity - erosion releases it from rocks into streams where it combines with oxygen to form phosphates in lakes that are then absorbed by plants - it is recycled t
Internodal tissue
Spiracles
Phosphorous
Endoderm
46. Plants that produce flowers as reproductive organs. They have two divisions - monocots and dicots.
Cellulose - starch - lipid - and sugar molecules
About five million years ago...
Angiosperms
Genetic maintenance
47. 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
Aganatha
Differential reproduction
The Cambrian Period
48. Is an abundant element found in protoplasm. Together with oxygen - hydrogen - and nitrogen - it composes over 90% of cellular structure.
Carbon
A hydrogen bond
The pancreas
Internodal tissue
49. Some enzymes contain a __________ component that is essential to their functions.
Aves
Common elements found in proteins
Gymnosperms
Non-protein
50. Niche
A species role in the food chain is part of its
Fixed Action Pattern (FAP)
As energy is transferred through trophic levels
Restriction enzymes