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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. Has extreme cold temperatures - low precipitation - modified grassland - perma-frost - a short growing season and some plants and animals.
Cellular Metabolism
Very specific
Tundra
The cuticle
2. An orienting response to light.
Phototropism
Early hominids...
Cellular Respiration
The products of the Krebs cycle
3. Disease causing
pathogenic
Gene Migration
The key limiting factor on cell size
Share electrons
4. Inorganic phosphate
Ecological niches open up
Pi
Genetic maintenance
Lactose
5. Stood upright before there was an increase in brain size.
Early hominids...
An enzyme
Cnidaria
Arthropoda
6. 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.
Prosthetic groups
Gymnosperms
Mature sporophyte
Lysis
7. Is a social behavior of an organism that is beneficial to the group at the individual's expense.
Altruism
Gametocide
Interphase
The nucleus
8. There was extensive radiation of fish during the Devonian and Silurian periods within the Paleozoic Era.
Chlorophyll
Meristem tissue
Paleozoic era
R-selection
9. Attaches to an enzyme and blocks the enzyme reaction rather than enhancing it - like a prosthetic group would.
Circadian rhythms
An inhibitor
Arthropoda
Cerebellum
10. A reaction that adds water to another compound. (2 hydrogens - 1 oxygen).
A sex linked recessive disease
Angiosperms
Hydrolysis
Altruism
11. Is very rare and is not absorbed by plant leaves. Phosphorous is nearly always found in solid form.
Phosphorous gas
Protista
Gnathostomata
Biogeochemical cycles
12. Is a special protein that acts as a catalyst for organic reactions.
The nucleus
An enzyme
A species role in the food chain is part of its
DNA replication
13. 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.
The pancreas
R-selection
Filtered by the liver
The cell's 'powerhouses'
14. Is comprised of all the organisms that interact within a given ecosystem whether or not it is at carrying capacity.
The cuticle
Cerebellum
Phototropism
The community
15. Is a packet of digestive enzymes that destroy cellular wastes.
C ---OH
Spiracles
Carbon
A lysosome
16. A sex-linked recessive disorder carried on the x chromosome in which an individual cannot perceive certain colors.
The pancreas
The hormone aldosterone
Color blindness
Successful reproduction
17. Energy transformations that occur as chemicals are broken down or synthesized within the cell.
Photolysis is a reaction of photosynthesis where
Tundra
Pharynx
Cellular Metabolism
18. Is a coenzyme required in the synthesis of collagen.
Interphase
R-selection
Vitamin C
Successful reproduction
19. 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.
Phosphorous
The Cell Theory
Lysosomes
Early hominids...
20. The phyla of round worms.
Mesozoic era
Nematoda
Internodal tissue
Ecological niches open up
21. The phyla of sponges.
Forebrain
Niche
Porifera
Free ribosomes
22. Are the monomers that form nucleic acids - containing a sugar - phosphate group - and a nitrogenous base.
Pharynx
Chromosome
The synthesis of ATP molecules to store energy is an example of
Nucleotides
23. The preservation of the integrity of genetic information from one generation to another.
The primary role of DNA in the cell
Carrying capacity
Genetic maintenance
Internodal tissue
24. Niche
Recycled environmental factors
Pharynx
A species role in the food chain is part of its
Filtered by the liver
25. 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.
Stomach secretions
Scurvy
Cenozoic era
Gametocide
26. Process in which elements - chemical compounds - and other forms of matter are passed from one organism to another and from one part of the biosphere to another.
Vascular bundles
Habitat
Biogeochemical cycles
Chromatin
27. In DNA Guanine pairs with...
Non-protein
Restriction enzymes
Parenchyma tissue
Cytosine
28. The phyla composed of segmented worms.
Genetic screening
Chimpanzees
Kingdom Fungi
Annelida
29. The phylum of insects (bees).
Spiracles
Forebrain
Niche
Arthropoda
30. Is a molecule that stores information for protein synthesis and genetic coding.
Bryophytes
Centrioles
Ribonucleic acid
The pituitary gland
31. Controls sensory and motor responses - and controls memory - speech - and intelligence factors.
Cerebrum
Nematoda
Habituation
Aggregate fruit
32. Is an abundant element found in protoplasm. Together with oxygen - hydrogen - and nitrogen - it composes over 90% of cellular structure.
Prothallus
Pi
Cell walls
Carbon
33. Fruits that develop from a single ripened ovary (apple - olive - acorn - cucumber).
Simple fruits
Bronchi
The Nitrogen cycle
Plasmodesmata
34. 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).
A species role in the food chain is part of its
A prosthetic group
Lysis
Scurvy
35. Are surrounded by capillaries that allow for carbon dioxide to diffuse into the lungs and oxygen to diffuse out.
Filtered by the liver
Alveoli
Phototropism
The pituitary gland
36. Nonvascular plants such as mosses which lack tissue for conducting food or water.
DNA produces particular genetic traits through
Bryophytes
The Cambrian Period
Isotonic Conditions
37. 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).
Phosphorous
Phloem tissue
The products of the Krebs cycle
Cnidaria
38. High temperatures
Gametocide
Aves
Destroy most enzymes
A sudden change in the amount of extracellular fluid will be corrected by events following the release of substances from this organ.
39. 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
Phototropism
Iisotonic state
Genetic maintenance
Meristem tissue
40. What phylum are snakes in?
Chordata
Xylem tissue
Anabolsim
Genome
41. Is a protein - which is a polymer of amino acids. They generally have the suffix -ase- like lactase.
An enzyme
North America
Habitat
Altruism
42. 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
Carrying capacity
Phosphorous
Through nitrogen fixing bacteria and lighting
Midbrain
43. 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
Iisotonic state
Ionic bonds involve
Interphase
44. Is the outermost of the three main layers of an embryo.
Catabolism
Ionic bonds involve
Internodal tissue
Ectoderm tissue
45. Covers and protects the leaf.
Ecotone
Photolysis is a reaction of photosynthesis where
Cuticle
Alveoli
46. Is more like branching out of a tree with dead ends and new branches appearing simultaneously than like steps on a ladder.
About five million years ago...
The salivary gland
Habitat
The evolution leading to Homo Sapiens...
47. Carbon - nitrogen - phosphorous - and water. These are all recycled through biogeochemical processes.
Paleozoic era
The nucleus
Recycled environmental factors
B Cells
48. Some enzymes contain a __________ component that is essential to their functions.
Early hominids...
Porifera
Forebrain
Non-protein
49. Biotic (living) factors such as population and food source - and abiotic (non-living) factors such as weather - temperature - soil features - sunlight).
The habitat of an organism includes
Allopatric speciation
The community
A mutation
50. Layer that will become the gut lining as well as some accessory structures.
The cell membrane (plasma membrane)
Catabolism
Vitamin C
Endoderm