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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. Has extreme hot or cold temperatures - with very low precipitation - sandy or rocky terrain - sparse vegetation (mainly succulents) - small animals - rodents - and reptiles.
Desert
Gnathostomata
Chimpanzees
The cell's 'powerhouses'
2. Layer that will become the skin - some endocrine glands - and the nervous system.
Ectoderm
Scurvy
A prosthetic group
An inhibitor
3. Enzymes are usually __________ to certain reactions.
Genome
Very specific
Will increase the reaction rate
An inhibitor
4. The large brain and upright posture of Homo Sapiens...
An inhibitor
The cell's 'powerhouses'
Did not evolve together
Gnathostomata
5. Are organic cofactors or coenzymes that are required by some enzymatic reactions.
A sudden change in the amount of extracellular fluid will be corrected by events following the release of substances from this organ.
The products of the Krebs cycle
Precambrian period
Vitamins
6. 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.
Endocytic vesicles
The theory of punctuated equilibrium
Interphase
Kingdom Animalia
7. Veins in the leaf and are also distributed throughout the stem
Phosphorous gas
Enzymes catalyze reactions
Kingdom Animalia
Vascular bundles make up the
8. Is more like branching out of a tree with dead ends and new branches appearing simultaneously than like steps on a ladder.
pH of Water
Morula
Gnathostomata
The evolution leading to Homo Sapiens...
9. Nonvascular plants such as mosses which lack tissue for conducting food or water.
Bryophytes
Plasmodesmata
Habitat
The habitat of an organism includes
10. 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.
Anabolism
Precambrian period
Cellulose - starch - lipid - and sugar molecules
Chromatin
11. The process whereby cells build molecules and store energy (in the form of covalent chemical bonds).
The synthesis of ATP molecules to store energy is an example of
Anabolsim
Stomach secretions
Mitochondria
12. Has an equal (50%) chance of being passed from a carrier mother to a son or a daughter.
Destroy most enzymes
Catabolism
A sex linked recessive disease
Chlorophyll
13. Synthesis
Anabolism
Chromatin
Prosthetic groups
Internodal tissue
14. 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
Balance
Precambrian period
Phototropism
Chlorophyll
15. Is the process that releases energy for use by the cell.
Cellular Respiration
Pi
Scurvy
Circadian rhythms
16. Contains organisms that are multicellular eukaryotes including molds and mushrooms.
Porifera
DNA produces particular genetic traits through
Niche
Kingdom Fungi
17. High temperatures
The pancreas
Early hominids...
Kingdom Plantae
Destroy most enzymes
18. Contain one celled eukaryotes such as algae and protozoa.
Electron Transfer System (ETS)
Kingdom Protista
Mesozoic era
Alveoli
19. Disease causing
pathogenic
Ecological niches open up
Balance
Share electrons
20. Has loosely packed cells that allow for gas and moisture exchange.
Parenchyma tissue
The Cell Theory
Scurvy
Will increase the reaction rate
21. Some patrol the blood for antigens - but are also equipped to destroy antigens. They may regulate immune responses as well.
T Cells
The primary role of DNA in the cell
Meristem tissue
Chimpanzees
22. 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.
Population
Protista
A mutation
Phototropism
23. Secretes insulin to lower blood sugar and maintain equilibrium. A person eats three candy bars. Within minutes this endocrine gland affects blood-glucose homeostasis.
Angiosperms
About five million years ago...
Meristem tissue
The pancreas
24. 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.
As energy is transferred through trophic levels
Did not evolve together
Natality
The primary role of DNA in the cell
25. Most chemical pollutants accidentally ingested by humans are __________ - mixed with broken down pigments in the bile - then bile is secreted into the small intestine - proceeds to the large intestine - and is expelled in the feces.
Forebrain
Chromatin
Filtered by the liver
Kingdom Animalia
26. Proposes that those individuals within a population that are most adapted to the environment are also the most likely individuals to produce viable offspring.
Kingdom Plantae
Differential reproduction
Phototropism
Lysosomes
27. Inorganic phosphate
Vitamin C
Ribonucleic acid
Pi
Simple fruits
28. Is the number of organisms that can be supported within a particular ecosystem.
Carrying capacity
Free ribosomes
Chromatin
The cell membrane (plasma membrane)
29. Produces the most ATP molecules - yielding 34 ATPs per glucose molecule.
Endoderm
The hormone aldosterone
Genetic screening
Electron Transfer System (ETS)
30. The vocal cords are found in the larynx.
Larynx
Sudden appearance and disappearance of fossil species
So it can be used over and over again.
Nematoda
31. 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).
Mature sporophyte
Vascular bundles
Phloem tissue
Cellular Metabolism
32. In DNA Guanine pairs with...
Ectoderm
Spiracles
Angiosperms
Cytosine
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.
Protista
Sudden appearance and disappearance of fossil species
Angiosperms
Bronchi
34. Occurs when two populations are geographically isolated from each other. Over time this results in the production of two separate species.
Phloem tissue
A gene is
The pituitary gland
Allopatric speciation
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.
Chordata
The theory of punctuated equilibrium
Photolysis is a reaction of photosynthesis where
pathogenic
36. Cleave strands of DNA segments at certain sites.
An inhibitor
Restriction enzymes
The community
Paleozoic era
37. Plants that produce flowers as reproductive organs. They have two divisions - monocots and dicots.
Chromosome
Bronchi
Angiosperms
Simple fruits
38. The phyla composed of segmented worms.
Biogeochemical cycles
Genetic screening
Annelida
Chromatin
39. Controls sensory and motor responses - and controls memory - speech - and intelligence factors.
Cerebrum
Xylem tissue
Centrioles
Endoderm
40. Respiratory organs within insects
A hydrogen bond
Savanna
The theory of punctuated equilibrium
Spiracles
41. 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
Attraction of atoms of different polarity
Desert
The pituitary gland
Circadian rhythms
42. This is a carboxyl group and is the signature group found within organic acids.
B Cells
Internodal tissue
C ---OH
Isotonic Conditions
43. Ended with the extinction of the dinosaurs.
As energy is transferred through trophic levels
An enzyme
B Cells
Mesozoic era
44. Niche
A species role in the food chain is part of its
B Cells
An inhibitor
Phyla
45. Stood upright before there was an increase in brain size.
Early hominids...
A catalyst
Kingdom Protista
DNA produces particular genetic traits through
46. May be ions or non-protein molecules - they are similar to cofactors - but differ in that they are tightly attached by covalent bonds to the enzyme - rather than being separate atoms or molecules.
Successful reproduction
B Cells
Prosthetic groups
Adenine
47. The phyla of sponges.
Common elements found in proteins
Free ribosomes
Chimpanzees
Porifera
48. A suffix meaning 'to break apart.' O || ||
Prothallus
Chlorophyll has the ability to
Lysis
Population
49. 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.
Kingdom Protista
Pharynx
Mesozoic era
Habituation
50. Contain organisms that are multicellular eukaryotes including vertebrates and invertebrates.
Scurvy
Chromosome
Kingdom Animalia
Destroy most enzymes
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