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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. Carbon - Hydrogen - Oxygen - and Nitrogen
Common elements found in proteins
Savanna
DNA produces particular genetic traits through
Phosphorous
2. Some energy is lost as heat and becomes unusable.
The synthesis of ATP molecules to store energy is an example of
Free ribosomes
Vitamin C
As energy is transferred through trophic levels
3. Enzymes are usually __________ to certain reactions.
Very specific
Ionic bonds involve
Chordata
Filtered by the liver
4. Are more closely related to Homo Sapiens than to other apes - but Homo Sapiens did not evolve from chimpanzees.
Chimpanzees
The cell membrane
Hydrolysis
Plasmodesmata
5. The process of forming eggs and sperm cells in the reproductive organs.
Gametogenesis
Genetic imprinting
A prosthetic group
Chromosome
6. 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.
The key limiting factor on cell size
Stomach secretions
Ectoderm
Plasmodesmata
7. Breaking down
Porifera
Carbon
Forebrain
Catabolism
8. Allows for the genetic code to be preserved in future generations of cells.
Phloem tissue
DNA replication
Chlorophyll has the ability to
Circadian rhythms
9. Respiratory organs within insects
Destroy most enzymes
Gymnosperms
Spiracles
Did not evolve together
10. Is the major component of sand and is the most abundant element found in the lithosphere. It is not recycled.
Did not evolve together
Prothallus
Silicon
Porifera
11. Nonvascular plants such as mosses which lack tissue for conducting food or water.
Cenozoic era
Bryophytes
Cellulose - starch - lipid - and sugar molecules
Population
12. Is the outermost layer of cells of the stem.
The habitat of an organism includes
Multiple fruit
Epidermal tissue
Angiosperms
13. Cleave strands of DNA segments at certain sites.
T Cells
Restriction enzymes
Fixed Action Pattern (FAP)
A gene is
14. A length of DNA (with corresponding histones) is responsible for the production of a certain protein that causes a particular trait to be expressed in an organism.
A gene is
The pituitary gland
Electron Transfer System (ETS)
Early hominids...
15. Is weaker than ionic - covalent - disulfide - or double bonds.
Gene Migration
Paleozoic era
A hydrogen bond
Aggregate fruit
16. When the water concentration inside and outside the cell is equal - It is said to be in an...
Meristem tissue
Hemophilia
Iisotonic state
A gene is
17. Disease causing
pathogenic
Protista
Saprophytic
Habituation
18. Is comprised of all the organisms that interact within a given ecosystem whether or not it is at carrying capacity.
Destroy most enzymes
Free ribosomes
The community
Scurvy
19. Is the waxy protective outer coating of leaves.
The cuticle
Non-protein
The Nitrogen cycle
Gnathostomata
20. Is found on the stem between nodes.
Internodal tissue
Successful reproduction
Lymphocytes
Kingdom Protista
21. Developed by the German scientists Schleiden and Schwann - States that all living things are made of cells - cells are the basic units of life - all cells come from pre-existing cells.
The Cell Theory
Vascular bundles
Imprinting
The nucleus
22. Are the organelles where cellular respiration occurs.
T Cells
The primary role of DNA in the cell
The cell membrane
Mitochondria
23. Where protein synthesis occurs. They float unattached in the cytoplasm. They contain RNA that is specific to their function in protein formation.
Free ribosomes
The Nitrogen cycle
Chromatin
Pi
24. Is found in the root cap and is responsible for quick growth in the roots.
Annelida
Habitat
Phosphorous
Meristem tissue
25. Sex-linked recessive disorder carried on the x chromosome defined by the absence of one or more proteins required for blood clotting
Hemophilia
Lysosomes
Chlorophyll
Larynx
26. An opportunistic life strategy strategy. Lichens invading a bare rock area after a volcanic eruption is an example.
R-selection
Mesozoic era
The hormone aldosterone
Electron Transfer System (ETS)
27. Is the outermost of the three main layers of an embryo.
Isotonic Conditions
Bryophytes
Cellulose - starch - lipid - and sugar molecules
Ectoderm tissue
28. Contain one celled eukaryotes such as algae and protozoa.
Bryophytes
An inhibitor
Carbon
Kingdom Protista
29. The preservation of the integrity of genetic information from one generation to another.
Alveoli
The biosphere
Attraction of atoms of different polarity
Genetic maintenance
30. Is a kind of plain characterized by a warm climate - grassland - and seasonally dry climate conditions.
Savanna
Prosthetic groups
Ectoderm
An inhibitor
31. Is a phylum that contains jellyfish - hydra - etc.
The cell's 'powerhouses'
Mesozoic era
Cnidaria
Imprinting
32. 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.
Gymnosperms
Germ layers
Stomach secretions
Vitamins
33. Between the endoderm and ectoderm - layer that will eventually form the muscles - and organs of the skeletal - circulatory - respiratory - reproductive - and excretory systems.
Photolysis is a reaction of photosynthesis where
Mesoderm
About five million years ago...
The key limiting factor on cell size
34. The physical place where a particular organism lives. It must include all the factors that will support its life and reproduction.
Habitat
Morula
Imprinting
Plasmodesmata
35. Has extreme hot or cold temperatures - with very low precipitation - sandy or rocky terrain - sparse vegetation (mainly succulents) - small animals - rodents - and reptiles.
Desert
Mesozoic era
Prosthetic groups
Chlorophyll has the ability to
36. Contains the chromosomes and is the site of reproduction through mitosis and meiosis.
Ecotone
parasitic
Nucleotides
The nucleus
37. Energy transformations that occur as chemicals are broken down or synthesized within the cell.
Catabolism
Cellular Metabolism
Sudden appearance and disappearance of fossil species
Gametogenesis
38. Fruits that develop from a single ripened ovary (apple - olive - acorn - cucumber).
Simple fruits
Ecotone
The salivary gland
Anabolsim
39. Is the earliest period of the Paleozoic era. Began with the Cambrian explosion - this explosion of life resulted in the representatives of most of the modern phyla being present.
The cuticle
Ionic bonds involve
Prosthetic groups
The Cambrian Period
40. Is a compound fruit that forms from several ovaries of separate flowers that fuse together during ripening (strawberry - or pineapple).
Multiple fruit
pH of Water
Paleozoic era
Catabolism
41. The number of organisms in a given community - can be above or below the carrying capacity.
Scurvy
Population
Catabolism
Hydrolysis
42. Is the sugar that lactase acts upon.
Lactose
The Hardy-Weinberg Law of Equilibrium
Chlorophyll
Bryophytes
43. 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
Differential reproduction
Catabolism
Phosphorous
Carrying capacity
44. The part of the earth that contains all living things - including the atmosphere (air) - the lithosphere (earth) - and the hydrosphere (water).
Forebrain
Plasmodesmata
Biosphere
DNA produces particular genetic traits through
45. 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.
Prosthetic groups
The hormone aldosterone
Phototropism
Trachea
46. 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
Population
T Cells
Endocytic vesicles
Phototropism
47. 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.
Protista
The nucleus
Precambrian period
Meristem tissue
48. 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
Lysosomes
Forebrain
The Hardy-Weinberg Law of Equilibrium
Vascular bundles make up the
49. The destruction of gametes - (sex cells such as sperm and eggs).
parasitic
Kingdom Protista
Gametocide
Iisotonic state
50. Is a disease caused by lack of vitamin C in which the body is unable to build enough collagen (a major component of connective tissue).
Phosphorous
Scurvy
The salivary gland
Electron Transfer System (ETS)