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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. Are where the sugars synthesized by photosynthesis travel through to various parts of the plant.
Vascular bundles
Cellular Metabolism
Destroy most enzymes
Gene Migration
2. 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
Phototropism
A lysosome
The Nitrogen cycle
Ectoderm
3. Channels is cell membranes that carry water between cells.
Scurvy
Characteristics of water valuable to living organisms
Plasmodesmata
Lymphocytes
4. Is the outermost layer of cells of the stem.
A sex linked recessive disease
Sudden appearance and disappearance of fossil species
Epidermal tissue
The theory of punctuated equilibrium
5. 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.
Biogeochemical cycles
Angiosperms
The cell membrane (plasma membrane)
Meristem tissue
6. What phylum are snakes in?
Anabolsim
Silicon
Chordata
Hemophilia
7. Includes all living and nonliving components of the Earth to support living things.
Bryophytes
The biosphere
Lymphocytes
Cnidaria
8. Secretes insulin to lower blood sugar and maintain equilibrium. A person eats three candy bars. Within minutes this endocrine gland affects blood-glucose homeostasis.
The pancreas
Cellulose - starch - lipid - and sugar molecules
Scurvy
Lysosomes
9. Controls hunger and thirst
Natality
The biosphere
The cell's 'powerhouses'
Hypothalamus
10. High temperatures
Recycled environmental factors
Destroy most enzymes
Phototropism
Gene Migration
11. 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.
Vitamin C
Germ layers
Gymnosperms
Lymphocytes
12. The phyla of sponges.
Phyla
Porifera
About five million years ago...
Early hominids...
13. All store energy within their chemical bonds.
Lysosomes
Very specific
Cellulose - starch - lipid - and sugar molecules
Chimpanzees
14. Has extreme cold temperatures - low precipitation - modified grassland - perma-frost - a short growing season and some plants and animals.
Annelida
A species role in the food chain is part of its
The key limiting factor on cell size
Tundra
15. The physical place where a particular organism lives. It must include all the factors that will support its life and reproduction.
Pharynx
Meristem tissue
Habitat
pH of Water
16. Small - green - heart-shaped gametophyte plant form of a fern that can make its own food and absorb water and nutrients from the soil
Tundra
Prothallus
The hormone aldosterone
The salivary gland
17. Energy transformations that occur as chemicals are broken down or synthesized within the cell.
Non-protein
Recycled environmental factors
Cellular Metabolism
North America
18. 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.
Color blindness
The Cell Theory
The Cambrian Period
Chromosome
19. 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
Niche
Pharynx
Phototropism
Centrioles
20. Is comprised of all the organisms that interact within a given ecosystem whether or not it is at carrying capacity.
The community
Mesozoic era
Trachea
Multiple fruit
21. Include: Vascular tissue - including both xylem and phloem - and sieve plates existing between cells of the stem.
Electron Transfer System (ETS)
Tundra
Genetic imprinting
Stem tissues
22. Produce adrenaline. This hormone is a well-known constrictor of blood vessels.
C ---OH
Stomach secretions
The adrenal glands
Centrioles
23. Has extreme hot or cold temperatures - with very low precipitation - sandy or rocky terrain - sparse vegetation (mainly succulents) - small animals - rodents - and reptiles.
Mitochondria
Arthropoda
Desert
Through nitrogen fixing bacteria and lighting
24. Is found in the root cap and is responsible for quick growth in the roots.
Gymnosperms
Meristem tissue
The pituitary gland
Prosthetic groups
25. Provide rigidity to plant cells (and some bacteria) and are not found within animal cells.
Interphase
B Cells
Chromatin
Cell walls
26. A hydrogen bond involves the ________________ and can be easily broken.
Stem tissues
An enzyme
Attraction of atoms of different polarity
Ionic bonds involve
27. Algae and Protozoa belong to the kingdom...
Attraction of atoms of different polarity
Adenine
The synthesis of ATP molecules to store energy is an example of
Protista
28. The sharp boundary of an ecosystem.
Gametogenesis
The community
Fixed Action Pattern (FAP)
Ecotone
29. The number of organisms in a given community - can be above or below the carrying capacity.
Genome
Population
Biosphere
Filtered by the liver
30. Is a phylum that contains sponges.
The primary role of DNA in the cell
Genetic screening
Catabolism
Porifera
31. Cleave strands of DNA segments at certain sites.
Restriction enzymes
Hydrolysis
Aganatha
Cenozoic era
32. Biotic (living) factors such as population and food source - and abiotic (non-living) factors such as weather - temperature - soil features - sunlight).
Recycled environmental factors
Niche
Habituation
The habitat of an organism includes
33. Are membrane-bound organelles that contain digestive enzymes that digest dead or unused material within the cell or materials absorbed by the cell for use.
Ecological niches open up
Angiosperms
Imprinting
Lysosomes
34. The solid mass of cells resulting from the cleavage of the ovum before the formation of a blastula.
Anabolsim
Cerebrum
Morula
Circadian rhythms
35. 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).
Trachea
Biogeochemical cycles
Ectoderm tissue
Phloem tissue
36. 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.
The hormone aldosterone
Vitamins
A mutation
Niche
37. The large brain and upright posture of Homo Sapiens...
A sex linked recessive disease
Did not evolve together
Bryophytes
Scurvy
38. Refers to the birthrate of a population.
Chromosome
Natality
Interphase
Mesozoic era
39. Is a compound fruit that develops from many ovaries of a single flower fusing together (raspberry).
Morula
Recycled environmental factors
Aggregate fruit
Spiracles
40. Protein synthesis
DNA produces particular genetic traits through
Phyla
Kingdom Plantae
The cell's 'powerhouses'
41. An orienting response to light.
Hemophilia
Lysis
A prosthetic group
Phototropism
42. Proposes that those individuals within a population that are most adapted to the environment are also the most likely individuals to produce viable offspring.
C ---OH
Differential reproduction
Arthropoda
parasitic
43. A cell will only remain stable if the surface area of the plasma membrane maintains a __________ with the volume of the cytoplasm.
Saprophytic
Altruism
Morula
Balance
44. Decomposition of living matter for consumption.
Circadian rhythms
Simple fruits
parasitic
Phosphorous
45. Some patrol the blood for antigens - but are also equipped to destroy antigens. They may regulate immune responses as well.
Spiracles
T Cells
Stomach secretions
Anabolsim
46. Allows for the genetic code to be preserved in future generations of cells.
Precambrian period
Interphase
DNA replication
Porifera
47. Niche
A species role in the food chain is part of its
Will increase the reaction rate
Imprinting
Lymphocytes
48. The effect of a substrate concentration on the initial reaction rate in the presence of a limited amount of enzyme: _________________ as the concentration of substrate is increased until all the enzymes are used - then the reaction rate will level of
The community
Midbrain
Balance
Will increase the reaction rate
49. Disease causing
Destroy most enzymes
Chordata
pathogenic
Lysosomes
50. Absorb a photon of light and is found in the grana of the chloroplast.
Meristem tissue
Cellular Metabolism
Chlorophyll has the ability to
Bronchi