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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. The destruction of gametes - (sex cells such as sperm and eggs).
C ---OH
Gametocide
A gene is
The community
2. Consists of undifferentiated cells capable of quick growth and specialization. It is responsible for elongation of the stem.
Meristem tissue
Fixed Action Pattern (FAP)
Anabolism
A sudden change in the amount of extracellular fluid will be corrected by events following the release of substances from this organ.
3. Synthesis
Differential reproduction
Anabolism
Cuticle
Gymnosperms
4. The part of the earth that contains all living things - including the atmosphere (air) - the lithosphere (earth) - and the hydrosphere (water).
Biosphere
Habitat
Cellular Respiration
The biosphere
5. 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
Sudden appearance and disappearance of fossil species
The cuticle
Circadian rhythms
Porifera
6. Plants and animals obtain usable nitrogen
Filtered by the liver
Vascular bundles make up the
Through nitrogen fixing bacteria and lighting
Mesoderm
7. 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 theory of punctuated equilibrium
Vascular bundles
The Cambrian Period
Will increase the reaction rate
8. The role played by an organism in its food chain.
Will increase the reaction rate
Multiple fruit
Niche
Cytosine
9. 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
Plasmodesmata
Differential reproduction
Aves
10. The size of a cell is limited by the ratio of its surface area to volume.
The key limiting factor on cell size
Blastula
Kingdom Animalia
Germ layers
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.
Germ layers
Habituation
Phosphorous gas
Nematoda
12. Are where the sugars synthesized by photosynthesis travel through to various parts of the plant.
Color blindness
The cell membrane
North America
Vascular bundles
13. Is found in the root cap and is responsible for quick growth in the roots.
Meristem tissue
Cellular Metabolism
Mature sporophyte
Gregor Medel
14. 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.
Filtered by the liver
Cuticle
Pharynx
Non-protein
15. Layer that will become the skin - some endocrine glands - and the nervous system.
Ectoderm
A hydrogen bond
Saprophytic
A sex linked recessive disease
16. Plants that produce flowers as reproductive organs. They have two divisions - monocots and dicots.
Non-protein
The primary role of DNA in the cell
T Cells
Angiosperms
17. Is a phylum that contains jellyfish - hydra - etc.
Restriction enzymes
Filtered by the liver
Cnidaria
An inhibitor
18. Mass extinctions promote diversification because _______________ - making conditions favorable for the establishment of new - diverse species.
Ecological niches open up
Gnathostomata
Savanna
The cuticle
19. A hydrogen bond involves the ________________ and can be easily broken.
Phosphorous gas
Cerebellum
Attraction of atoms of different polarity
Chlorophyll has the ability to
20. Super-class of vertebrae including organisms with no jaws.
Aganatha
About five million years ago...
A gene is
C ---OH
21. Contains optic lobes - controls sight.
Porifera
Midbrain
Cell walls
Saprophytic
22. Some patrol the blood for antigens - but are also equipped to destroy antigens. They may regulate immune responses as well.
Vitamin C
T Cells
Lactose
Kingdom Fungi
23. Is composed of a double layer (bilayer) of phospholipids with protein globules imbedded within the layers. The construction of the membrane allows it to aid the function of the cell by permitting entrance and exit of molecules as needed by the cell.
Characteristics of water valuable to living organisms
Mesozoic era
The cell membrane
Scurvy
24. The bronchi lead to the two lungs where they branch out in all directions into smaller tubules known as bronchioles.
Bronchi
Porifera
The pituitary gland
Plasmodesmata
25. 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).
Aggregate fruit
Vascular bundles make up the
Scurvy
Imprinting
26. Covalent bonds
Share electrons
Lysosomes
Phloem tissue
Mature sporophyte
27. The large brain and upright posture of Homo Sapiens...
Did not evolve together
The Cambrian Period
Mesoderm
Simple fruits
28. Carbon - Hydrogen - Oxygen - and Nitrogen
Meristem tissue
Gametogenesis
Common elements found in proteins
Phototropism
29. Produce antibodies into the bloodstream that find and attach themselves to foreign antigens (toxins - bacteria).
Phloem tissue
Paleozoic era
C ---OH
B Cells
30. A reaction that adds water to another compound. (2 hydrogens - 1 oxygen).
Genetic imprinting
A sudden change in the amount of extracellular fluid will be corrected by events following the release of substances from this organ.
Electron Transfer System (ETS)
Hydrolysis
31. Disease causing
Stomach secretions
The key limiting factor on cell size
pathogenic
C ---OH
32. 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.
Precambrian period
Interphase
Lysis
Protista
33. 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
Stomach secretions
C ---OH
Pi
34. The class composed of birds.
The Hardy-Weinberg Law of Equilibrium
Aves
Silicon
Through nitrogen fixing bacteria and lighting
35. An orienting response to light.
Phototropism
Cerebellum
The cell's 'powerhouses'
Stomach secretions
36. Covers and protects the leaf.
Cuticle
Germ layers
Precambrian period
Gymnosperms
37. Transparency - polarity - high specific heat - and density (lower density when solid than when liquid.).
Characteristics of water valuable to living organisms
Stem tissues
The nucleus
The pancreas
38. Is a kind of plain characterized by a warm climate - grassland - and seasonally dry climate conditions.
Vascular bundles make up the
Savanna
Multiple fruit
Allopatric speciation
39. Is a protein - which is a polymer of amino acids. They generally have the suffix -ase- like lactase.
Protista
An enzyme
Successful reproduction
Hypothalamus
40. Small - green - heart-shaped gametophyte plant form of a fern that can make its own food and absorb water and nutrients from the soil
Prothallus
Recycled environmental factors
Ribonucleic acid
Hypothalamus
41. The solid mass of cells resulting from the cleavage of the ovum before the formation of a blastula.
Chromosome
Balance
Morula
Vitamin C
42. The individual we recognize as an adult fern.
Germ layers
Mature sporophyte
Savanna
Fixed Action Pattern (FAP)
43. Provide rigidity to plant cells (and some bacteria) and are not found within animal cells.
Gene Migration
Cell walls
A sex linked recessive disease
Phototropism
44. Enzymes are usually __________ to certain reactions.
Very specific
Meristem tissue
As energy is transferred through trophic levels
Parenchyma tissue
45. (of some plants or fungi) feeding on dead or decaying organic matter
Nematoda
Saprophytic
Xylem tissue
Gnathostomata
46. Contains the chromosomes and is the site of reproduction through mitosis and meiosis.
The cell membrane
Lactose
Habituation
The nucleus
47. Produce seeds without flowers. They include conifers (cone-bearers) and cycads.
The key limiting factor on cell size
A prosthetic group
The pituitary gland
Gymnosperms
48. Are surrounded by capillaries that allow for carbon dioxide to diffuse into the lungs and oxygen to diffuse out.
Lysosomes
Alveoli
Centrioles
The cell membrane (plasma membrane)
49. An enzyme is unaffected by the reactions it catalyzes
Did not evolve together
So it can be used over and over again.
Niche
Destroy most enzymes
50. The pituitary gland.
A sudden change in the amount of extracellular fluid will be corrected by events following the release of substances from this organ.
Did not evolve together
Protista
Gametocide