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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 composed of an anterior and posterior lobe. The stalk of the lobe is connected to the hypothalamus. Antidiuretic Hormone (AH) is produced in the hypothalamus and stored in the posterior pituitary. Upon nervous stimulation from the hypothalamus - t
The pituitary gland
Porifera
Allopatric speciation
Vitamin C
2. In DNA Thymine pairs with...
Vascular bundles
Interphase
Filtered by the liver
Adenine
3. Approximately 7 - making it neither basic (under 7) nor alkaline (over 7).
pH of Water
B Cells
Through nitrogen fixing bacteria and lighting
Will increase the reaction rate
4. Is a kingdom that includes algae and protozoa.
Mesozoic era
Restriction enzymes
Phloem tissue
Protista
5. Is very rare and is not absorbed by plant leaves. Phosphorous is nearly always found in solid form.
Gymnosperms
Cellular Respiration
Phosphorous gas
Habituation
6. Plants that produce flowers as reproductive organs. They have two divisions - monocots and dicots.
The habitat of an organism includes
Genetic screening
Angiosperms
Blastula
7. Algae and Protozoa belong to the kingdom...
C ---OH
Restriction enzymes
Catabolism
Protista
8. Is a coenzyme required in the synthesis of collagen.
Iisotonic state
Population
Vitamin C
Hemophilia
9. Are cells involved in immunity and are produced in bone marrow as stem cells.
Gametogenesis
Ribonucleic acid
Lymphocytes
About five million years ago...
10. Controls hunger and thirst
Hypothalamus
The primary role of DNA in the cell
Genetic imprinting
Lymphocytes
11. 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
A lysosome
Altruism
The key limiting factor on cell size
12. Breaking down
Phototropism
Endocytic vesicles
Natality
Catabolism
13. Is a social behavior of an organism that is beneficial to the group at the individual's expense.
The biosphere
Altruism
Precambrian period
Simple fruits
14. Are where the sugars synthesized by photosynthesis travel through to various parts of the plant.
Endoderm
Vascular bundles
Successful reproduction
A species role in the food chain is part of its
15. Occurs when two populations are geographically isolated from each other. Over time this results in the production of two separate species.
Multiple fruit
Ecological niches open up
Lysosomes
Allopatric speciation
16. The phyla composed of segmented worms.
Annelida
Alveoli
The biosphere
Epidermal tissue
17. Stood upright before there was an increase in brain size.
Meristem tissue
Mitochondria
Did not evolve together
Early hominids...
18. Fruits that develop from a single ripened ovary (apple - olive - acorn - cucumber).
Ecotone
A species role in the food chain is part of its
Meristem tissue
Simple fruits
19. In both living and non-living environments.
Catabolism
Blastula
Enzymes catalyze reactions
Saprophytic
20. Energy transformations that occur as chemicals are broken down or synthesized within the cell.
Cellular Metabolism
As energy is transferred through trophic levels
Photolysis is a reaction of photosynthesis where
Mature sporophyte
21. Can be accounted for by the theory of punctuated equilibrium. The fossil record shows periods of stability with regard to appearance and disappearance of species as well as periods of sudden change.
Arthropoda
Savanna
Sudden appearance and disappearance of fossil species
Pharynx
22. An opportunistic life strategy strategy. Lichens invading a bare rock area after a volcanic eruption is an example.
R-selection
Ecotone
Bronchi
Ectoderm
23. Has extreme hot or cold temperatures - with very low precipitation - sandy or rocky terrain - sparse vegetation (mainly succulents) - small animals - rodents - and reptiles.
Lactose
Population
Desert
The pancreas
24. The pituitary gland.
Silicon
Cnidaria
Phosphorous gas
A sudden change in the amount of extracellular fluid will be corrected by events following the release of substances from this organ.
25. The physical place where a particular organism lives. It must include all the factors that will support its life and reproduction.
Photolysis is a reaction of photosynthesis where
Habitat
Phloem tissue
Plasmodesmata
26. Is the outermost layer of cells of the stem.
Epidermal tissue
Hypothalamus
A mutation
Angiosperms
27. Contains multicellular photosynthetic eukaryotic organisms including gymnosperms and angiosperms.
R-selection
Balance
Kingdom Plantae
Common elements found in proteins
28. Is more like branching out of a tree with dead ends and new branches appearing simultaneously than like steps on a ladder.
The evolution leading to Homo Sapiens...
A hydrogen bond
Recycled environmental factors
Phosphorous gas
29. Is an abundant element found in protoplasm. Together with oxygen - hydrogen - and nitrogen - it composes over 90% of cellular structure.
Gymnosperms
Destroy most enzymes
Carbon
So it can be used over and over again.
30. What phylum are snakes in?
Ectoderm tissue
Kingdom Fungi
The cell's 'powerhouses'
Chordata
31. Super-class of vertebrae including organisms with jaws.
Gnathostomata
The Hardy-Weinberg Law of Equilibrium
Midbrain
Scurvy
32. The class composed of birds.
Kingdom Protista
Desert
Ionic bonds involve
Aves
33. Layer that will become the skin - some endocrine glands - and the nervous system.
Chlorophyll
Lactose
Protista
Ectoderm
34. Is an accidental change of the DNA sequence of the gene that can result in creating a change of trait that is not found in the parent.
Hemophilia
Non-protein
A mutation
R-selection
35. The part of the earth that contains all living things - including the atmosphere (air) - the lithosphere (earth) - and the hydrosphere (water).
Internodal tissue
Chromosome
Biosphere
Mesoderm
36. Contains organisms that are multicellular eukaryotes including molds and mushrooms.
Phototropism
Kingdom Fungi
Carrying capacity
About five million years ago...
37. Refers to the birthrate of a population.
Chimpanzees
Chlorophyll has the ability to
Destroy most enzymes
Natality
38. Is an ion that binds to an enzyme making it more able to catalyze a reaction.
Phosphorous
A prosthetic group
Natality
Bryophytes
39. Is when expression of genetic traits is determined by weather the trait is inherited from the mother or the father.
Simple fruits
Germ layers
Genetic imprinting
Cnidaria
40. 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.
Differential reproduction
Alveoli
Gene Migration
Cnidaria
41. The lineage that led to the modern Homo Sapiens diverged from the lineage that led to the modern chimpanzee.
Genetic imprinting
Early hominids...
A gene is
About five million years ago...
42. 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
Bryophytes
Cerebrum
Electron Transfer System (ETS)
43. Is the outermost of the three main layers of an embryo.
Mesoderm
Ectoderm tissue
Savanna
The adrenal glands
44. Is a substance that changes the speed of a reaction without being affected itself.
Prosthetic groups
Mature sporophyte
A catalyst
Differential reproduction
45. The sharp boundary of an ecosystem.
Share electrons
Ecotone
North America
Lysosomes
46. High temperatures
Pi
Ecological niches open up
Destroy most enzymes
Blastula
47. Is a molecule that stores information for protein synthesis and genetic coding.
The habitat of an organism includes
Ribonucleic acid
Desert
Alveoli
48. 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.
The theory of punctuated equilibrium
Vitamins
Sudden appearance and disappearance of fossil species
Nucleotides
49. Is the number of organisms that can be supported within a particular ecosystem.
A species role in the food chain is part of its
Stomach secretions
DNA replication
Carrying capacity
50. Contains optic lobes - controls sight.
Midbrain
Kingdom Plantae
Aganatha
Nematoda
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