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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. Internally generated patterns of body functions - including hormonal signals - sleep - blood pressure - and temperature regulation - which have approximately a 24-hour cycle and occur even in the absence of normal cues about whether it is day or nigh
About five million years ago...
Kingdom Fungi
Circadian rhythms
Gnathostomata
2. Develops from the morula as a thin layer of cells surrounding an internal cavity.
Phosphorous gas
Blastula
Parenchyma tissue
The adrenal glands
3. The solid mass of cells resulting from the cleavage of the ovum before the formation of a blastula.
Morula
Midbrain
As energy is transferred through trophic levels
The hormone aldosterone
4. Is secreted by the adrenal cortex to promote sodium reabsorption in the kidney.
Annelida
The community
The hormone aldosterone
Paleozoic era
5. Contain organisms that are multicellular eukaryotes including vertebrates and invertebrates.
Allopatric speciation
Angiosperms
Kingdom Animalia
Cell walls
6. Anabolism
The synthesis of ATP molecules to store energy is an example of
A gene is
Successful reproduction
Lactose
7. Mitochondria - they constitute the center of cellular respiration.
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8. Proposes that those individuals within a population that are most adapted to the environment are also the most likely individuals to produce viable offspring.
Differential reproduction
Alveoli
A lysosome
Bryophytes
9. Are organic cofactors or coenzymes that are required by some enzymatic reactions.
Non-protein
Vitamins
Isotonic Conditions
Protista
10. Some enzymes contain a __________ component that is essential to their functions.
Non-protein
R-selection
Ecotone
Enzymes catalyze reactions
11. In both living and non-living environments.
The cell membrane (plasma membrane)
Enzymes catalyze reactions
Genome
Gnathostomata
12. Veins in the leaf and are also distributed throughout the stem
Meristem tissue
Did not evolve together
Precambrian period
Vascular bundles make up the
13. Studied the relationships between traits expressed in parents and offspring and the genes that caused the traits to be expressed.
Gregor Medel
Scurvy
Saprophytic
Stomach secretions
14. Is a special protein that acts as a catalyst for organic reactions.
An enzyme
The theory of punctuated equilibrium
Mesoderm
Anabolism
15. The most recent and present era. It includes the radiation of flowering plants - the angiosperms.
Cenozoic era
Gametogenesis
Habituation
Annelida
16. 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.
A mutation
Catabolism
Share electrons
Phosphorous
17. Where protein synthesis occurs. They float unattached in the cytoplasm. They contain RNA that is specific to their function in protein formation.
The Cell Theory
Gregor Medel
Free ribosomes
Epidermal tissue
18. 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 Cambrian Period
Morula
Phototropism
Filtered by the liver
19. Niche
A species role in the food chain is part of its
Bryophytes
Blastula
Prothallus
20. A cell will only remain stable if the surface area of the plasma membrane maintains a __________ with the volume of the cytoplasm.
Balance
Simple fruits
The primary role of DNA in the cell
A sudden change in the amount of extracellular fluid will be corrected by events following the release of substances from this organ.
21. Is the control of protein synthesis. Genetic traits are expressed and specialization of cells occur as a result of the combination of proteins produced by the DNA of a cell.
The habitat of an organism includes
Lysis
So it can be used over and over again.
The primary role of DNA in the cell
22. Secretes insulin to lower blood sugar and maintain equilibrium. A person eats three candy bars. Within minutes this endocrine gland affects blood-glucose homeostasis.
R-selection
Mesoderm
The pancreas
Stomach secretions
23. The transfer of electrons.
Ionic bonds involve
The pancreas
Endoderm
Larynx
24. Contains the chromosomes and is the site of reproduction through mitosis and meiosis.
A sudden change in the amount of extracellular fluid will be corrected by events following the release of substances from this organ.
The nucleus
Allopatric speciation
The adrenal glands
25. 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.
Pharynx
Chimpanzees
DNA produces particular genetic traits through
Biogeochemical cycles
26. A hydrogen bond involves the ________________ and can be easily broken.
The pancreas
Recycled environmental factors
Carrying capacity
Attraction of atoms of different polarity
27. Produce antibodies into the bloodstream that find and attach themselves to foreign antigens (toxins - bacteria).
Phloem tissue
The Hardy-Weinberg Law of Equilibrium
Biosphere
B Cells
28. Contains optic lobes - controls sight.
The theory of punctuated equilibrium
Niche
Cenozoic era
Midbrain
29. Stood upright before there was an increase in brain size.
Silicon
Early hominids...
Lymphocytes
Meristem tissue
30. Super-class of vertebrae including organisms with no jaws.
Aganatha
Stem tissues
Epidermal tissue
Hypothalamus
31. Contains many genes and is a structure comprised of linear DNA and associated proteins.
Chromosome
An inhibitor
Mesozoic era
Phyla
32. Covalent bonds
Trachea
Share electrons
Altruism
Recycled environmental factors
33. 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.
Simple fruits
Imprinting
Sudden appearance and disappearance of fossil species
R-selection
34. Is the outermost of the three main layers of an embryo.
Lysis
Ectoderm tissue
Photolysis is a reaction of photosynthesis where
Scurvy
35. A reaction that adds water to another compound. (2 hydrogens - 1 oxygen).
Hydrolysis
Chimpanzees
Nucleotides
Anabolsim
36. Is weaker than ionic - covalent - disulfide - or double bonds.
A hydrogen bond
Ribonucleic acid
A gene is
A sudden change in the amount of extracellular fluid will be corrected by events following the release of substances from this organ.
37. The size of a cell is limited by the ratio of its surface area to volume.
Aganatha
Centrioles
The key limiting factor on cell size
Successful reproduction
38. A sex-linked recessive disorder carried on the x chromosome in which an individual cannot perceive certain colors.
Color blindness
The Nitrogen cycle
Phloem tissue
The cuticle
39. Are where the sugars synthesized by photosynthesis travel through to various parts of the plant.
A prosthetic group
Vascular bundles
Kingdom Plantae
Angiosperms
40. An enzyme is unaffected by the reactions it catalyzes
Phototropism
So it can be used over and over again.
As energy is transferred through trophic levels
The community
41. Some patrol the blood for antigens - but are also equipped to destroy antigens. They may regulate immune responses as well.
T Cells
Share electrons
The cell membrane (plasma membrane)
Silicon
42. Is a phylum that contains jellyfish - hydra - etc.
The Hardy-Weinberg Law of Equilibrium
Restriction enzymes
Cnidaria
Gnathostomata
43. The individual we recognize as an adult fern.
Biosphere
Desert
Mature sporophyte
Cerebrum
44. Is the major component of sand and is the most abundant element found in the lithosphere. It is not recycled.
An enzyme
Silicon
Stomach secretions
Balance
45. Provide rigidity to plant cells (and some bacteria) and are not found within animal cells.
A species role in the food chain is part of its
Cell walls
Phototropism
The key limiting factor on cell size
46. Bacteria break ammonia into nitrites - then into nitrates that are usable by plants; volcanic activity produces ammonia and nitrates that enter the soil and can be absorbed by plants; lightning reacts with atmospheric nitrogen to form nitrates that a
The pituitary gland
The Nitrogen cycle
Internodal tissue
Parenchyma tissue
47. 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
Germ layers
Biosphere
Phosphorous
Centrioles
48. There was extensive radiation of fish during the Devonian and Silurian periods within the Paleozoic Era.
Paleozoic era
Common elements found in proteins
Population
Alveoli
49. The class composed of birds.
Chordata
DNA produces particular genetic traits through
Aves
Carbon
50. 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.
Photolysis is a reaction of photosynthesis where
Aves
The Cell Theory
Recycled environmental factors