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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 formed when the plasma membrane of a cell encloses a molecule outside the membrane - then releases a membrane bound sack containing the desired molecule into the cytoplasm. This process allows the cell to absorb molecules that are larger in size
Recycled environmental factors
Endocytic vesicles
Midbrain
Anabolism
2. Has extreme cold temperatures - low precipitation - modified grassland - perma-frost - a short growing season and some plants and animals.
Phosphorous gas
Electron Transfer System (ETS)
Saprophytic
Tundra
3. The role played by an organism in its food chain.
Cerebrum
Niche
Stomach secretions
Spiracles
4. Is the number of organisms that can be supported within a particular ecosystem.
Carrying capacity
The cell membrane
Cellulose - starch - lipid - and sugar molecules
Gene Migration
5. The sharp boundary of an ecosystem.
Phosphorous
Pharynx
Ecotone
Scurvy
6. 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.
The cuticle
Phototropism
Pharynx
Gametogenesis
7. Are the organelles where cellular respiration occurs.
Cellular Respiration
The synthesis of ATP molecules to store energy is an example of
Enzymes catalyze reactions
Mitochondria
8. Is a packet of digestive enzymes that destroy cellular wastes.
Endocytic vesicles
Blastula
Mitochondria
A lysosome
9. Is found on the stem between nodes.
DNA produces particular genetic traits through
Internodal tissue
Meristem tissue
Habituation
10. Covalent bonds
Gametogenesis
Protista
Share electrons
Successful reproduction
11. 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
So it can be used over and over again.
Niche
Natality
12. Is a special protein that acts as a catalyst for organic reactions.
Bronchi
Lysosomes
An enzyme
Chromosome
13. The total amount of genetic information available for a given species.
Genome
Gametocide
Cytosine
The cell membrane
14. The bronchi lead to the two lungs where they branch out in all directions into smaller tubules known as bronchioles.
Filtered by the liver
Gametogenesis
Hydrolysis
Bronchi
15. Has an equal (50%) chance of being passed from a carrier mother to a son or a daughter.
Scurvy
Aggregate fruit
Filtered by the liver
A sex linked recessive disease
16. Is disorganized - unravelled - DNA with histones attached.
Chromatin
Kingdom Protista
Fixed Action Pattern (FAP)
North America
17. Enzymes are usually __________ to certain reactions.
Adenine
Genome
Stem tissues
Very specific
18. Consists of undifferentiated cells capable of quick growth and specialization. It is responsible for elongation of the stem.
Meristem tissue
Cytosine
So it can be used over and over again.
Vitamin C
19. Transparency - polarity - high specific heat - and density (lower density when solid than when liquid.).
The Cell Theory
Characteristics of water valuable to living organisms
Electron Transfer System (ETS)
The biosphere
20. Produce seeds without flowers. They include conifers (cone-bearers) and cycads.
Gymnosperms
Habitat
Imprinting
Habituation
21. Nonvascular plants such as mosses which lack tissue for conducting food or water.
Very specific
Bryophytes
Catabolism
Plasmodesmata
22. Most fossils of Hominids are from continents other than...
Nucleotides
North America
About five million years ago...
Spiracles
23. The process whereby cells build molecules and store energy (in the form of covalent chemical bonds).
Catabolism
Anabolsim
The nucleus
Bronchi
24. Contains the chromosomes and is the site of reproduction through mitosis and meiosis.
Protista
Through nitrogen fixing bacteria and lighting
The nucleus
Stomach secretions
25. Is a kingdom that includes algae and protozoa.
Circadian rhythms
Common elements found in proteins
Allopatric speciation
Protista
26. Is a phylum that contains sponges.
Early hominids...
A gene is
Porifera
Protista
27. 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.
Kingdom Protista
The evolution leading to Homo Sapiens...
Precambrian period
Gene Migration
28. Proposes that those individuals within a population that are most adapted to the environment are also the most likely individuals to produce viable offspring.
Lysosomes
Differential reproduction
Chromosome
Filtered by the liver
29. The phyla of sponges.
Meristem tissue
The products of the Krebs cycle
Chromatin
Porifera
30. Channels is cell membranes that carry water between cells.
Chromosome
Differential reproduction
Plasmodesmata
Carrying capacity
31. 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
C ---OH
Imprinting
Cerebrum
32. Refers to the birthrate of a population.
Scurvy
Niche
Natality
The salivary gland
33. 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
Anabolsim
Vitamin C
The pituitary gland
A catalyst
34. This is a carboxyl group and is the signature group found within organic acids.
C ---OH
The habitat of an organism includes
The nucleus
Paleozoic era
35. Controls hunger and thirst
Ribonucleic acid
Common elements found in proteins
Isotonic Conditions
Hypothalamus
36. Is weaker than ionic - covalent - disulfide - or double bonds.
Enzymes catalyze reactions
Habituation
A hydrogen bond
Endoderm
37. Where protein synthesis occurs. They float unattached in the cytoplasm. They contain RNA that is specific to their function in protein formation.
Free ribosomes
Cell walls
Midbrain
Genome
38. A reaction that adds water to another compound. (2 hydrogens - 1 oxygen).
Chlorophyll
Hydrolysis
Multiple fruit
Very specific
39. The destruction of gametes - (sex cells such as sperm and eggs).
Mesoderm
A sex linked recessive disease
Stem tissues
Gametocide
40. When the water concentration inside and outside the cell is equal - It is said to be in an...
An enzyme
The pancreas
The biosphere
Iisotonic state
41. Must be present for photosynthesis to occur - it is not used up in the process.
Bronchi
Chlorophyll
Phototropism
The cell membrane
42. Is a coenzyme required in the synthesis of collagen.
The cell's 'powerhouses'
Mitochondria
Vitamin C
C ---OH
43. An enzyme is unaffected by the reactions it catalyzes
Centrioles
Altruism
So it can be used over and over again.
Pharynx
44. Includes all living and nonliving components of the Earth to support living things.
Meristem tissue
The biosphere
Saprophytic
Multiple fruit
45. The process of forming eggs and sperm cells in the reproductive organs.
The products of the Krebs cycle
Gametogenesis
Through nitrogen fixing bacteria and lighting
Interphase
46. Is a kind of plain characterized by a warm climate - grassland - and seasonally dry climate conditions.
Savanna
Successful reproduction
Cerebellum
Ionic bonds involve
47. Is the outermost of the three main layers of an embryo.
Endoderm
Ectoderm tissue
Attraction of atoms of different polarity
The primary role of DNA in the cell
48. Is a social behavior of an organism that is beneficial to the group at the individual's expense.
Ribonucleic acid
Altruism
Aganatha
Cytosine
49. Is a molecule that stores information for protein synthesis and genetic coding.
Ribonucleic acid
So it can be used over and over again.
Habituation
Arthropoda
50. Is the organelle where cellular reproductive processes occur.
The nucleus
Lysis
Phototropism
Scurvy