SUBJECTS
|
BROWSE
|
CAREER CENTER
|
POPULAR
|
JOIN
|
LOGIN
Business Skills
|
Soft Skills
|
Basic Literacy
|
Certifications
About
|
Help
|
Privacy
|
Terms
|
Email
Search
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. Plants and animals obtain usable nitrogen
Through nitrogen fixing bacteria and lighting
Parenchyma tissue
Will increase the reaction rate
Endoderm
2. There was extensive radiation of fish during the Devonian and Silurian periods within the Paleozoic Era.
Paleozoic era
Altruism
The hormone aldosterone
The theory of punctuated equilibrium
3. What phylum are snakes in?
Chordata
Ectoderm tissue
The products of the Krebs cycle
Gymnosperms
4. Anabolism
Cell walls
Aves
The synthesis of ATP molecules to store energy is an example of
Saprophytic
5. Is an abundant element found in protoplasm. Together with oxygen - hydrogen - and nitrogen - it composes over 90% of cellular structure.
Carbon
Recycled environmental factors
Gnathostomata
The adrenal glands
6. The destruction of gametes - (sex cells such as sperm and eggs).
Restriction enzymes
Characteristics of water valuable to living organisms
Gametocide
Alveoli
7. In both living and non-living environments.
Interphase
Enzymes catalyze reactions
Hemophilia
Vascular bundles make up the
8. 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.
Interphase
The Cambrian Period
A sex linked recessive disease
Cellular Metabolism
9. Contains the chromosomes and is the site of reproduction through mitosis and meiosis.
Recycled environmental factors
The nucleus
Scurvy
Differential reproduction
10. Contains organisms that are multicellular eukaryotes including molds and mushrooms.
Ecological niches open up
The community
Angiosperms
Kingdom Fungi
11. The most recent and present era. It includes the radiation of flowering plants - the angiosperms.
Cerebrum
Vitamin C
So it can be used over and over again.
Cenozoic era
12. Has loosely packed cells that allow for gas and moisture exchange.
The evolution leading to Homo Sapiens...
Parenchyma tissue
Meristem tissue
The cuticle
13. In DNA Thymine pairs with...
parasitic
Mesozoic era
Scurvy
Adenine
14. Is a kind of plain characterized by a warm climate - grassland - and seasonally dry climate conditions.
Savanna
Recycled environmental factors
parasitic
Phosphorous
15. Layer that will become the skin - some endocrine glands - and the nervous system.
The pituitary gland
Vitamin C
Ectoderm
Cellulose - starch - lipid - and sugar molecules
16. Is a packet of digestive enzymes that destroy cellular wastes.
A lysosome
Desert
Pi
Spiracles
17. Contain one celled eukaryotes such as algae and protozoa.
Angiosperms
Circadian rhythms
Kingdom Protista
Attraction of atoms of different polarity
18. Is disorganized - unravelled - DNA with histones attached.
B Cells
Chromatin
Endoderm
Kingdom Fungi
19. The individual we recognize as an adult fern.
Mitochondria
Forebrain
Mature sporophyte
Porifera
20. 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
Circadian rhythms
Allopatric speciation
A mutation
Anabolsim
21. Ended with the extinction of the dinosaurs.
Will increase the reaction rate
Cerebellum
Mesozoic era
Stem tissues
22. Protein synthesis
Circadian rhythms
DNA produces particular genetic traits through
Did not evolve together
Paleozoic era
23. All store energy within their chemical bonds.
Paleozoic era
Aves
Niche
Cellulose - starch - lipid - and sugar molecules
24. Transfers water and does not require sieve plates to allow nutrients through.
Anabolsim
Xylem tissue
Fixed Action Pattern (FAP)
Endocytic vesicles
25. Is the sugar that lactase acts upon.
Cenozoic era
Spiracles
Lactose
Meristem tissue
26. In DNA Guanine pairs with...
The synthesis of ATP molecules to store energy is an example of
Early hominids...
Gregor Medel
Cytosine
27. 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.
Electron Transfer System (ETS)
The hormone aldosterone
Sudden appearance and disappearance of fossil species
pH of Water
28. Plants that produce flowers as reproductive organs. They have two divisions - monocots and dicots.
A sudden change in the amount of extracellular fluid will be corrected by events following the release of substances from this organ.
Internodal tissue
Angiosperms
The Cambrian Period
29. Are organic cofactors or coenzymes that are required by some enzymatic reactions.
Desert
Cnidaria
Vitamins
T Cells
30. Is the organelle where cellular reproductive processes occur.
C ---OH
The nucleus
The pancreas
Imprinting
31. Produce antibodies into the bloodstream that find and attach themselves to foreign antigens (toxins - bacteria).
Nucleotides
Ionic bonds involve
Annelida
B Cells
32. Is very rare and is not absorbed by plant leaves. Phosphorous is nearly always found in solid form.
Pharynx
Gametocide
Phosphorous gas
A gene is
33. Is the number of organisms that can be supported within a particular ecosystem.
Altruism
Hemophilia
Carrying capacity
Lactose
34. Contains many genes and is a structure comprised of linear DNA and associated proteins.
Aganatha
Lysis
Chromosome
The biosphere
35. Consists of undifferentiated cells capable of quick growth and specialization. It is responsible for elongation of the stem.
Non-protein
Meristem tissue
The products of the Krebs cycle
A catalyst
36. Contains optic lobes - controls sight.
Early hominids...
Chromosome
Cuticle
Midbrain
37. A reaction that adds water to another compound. (2 hydrogens - 1 oxygen).
Vitamins
Adenine
Phosphorous gas
Hydrolysis
38. Between the endoderm and ectoderm - layer that will eventually form the muscles - and organs of the skeletal - circulatory - respiratory - reproductive - and excretory systems.
Mesoderm
A catalyst
The Cambrian Period
Cellular Metabolism
39. The bronchi lead to the two lungs where they branch out in all directions into smaller tubules known as bronchioles.
The evolution leading to Homo Sapiens...
Bronchi
Color blindness
The biosphere
40. Assumes that there are periods of stability during which little evolutionary change occurs - and that speciation can occur rapidly over a very short period of time.
The theory of punctuated equilibrium
An enzyme
Anabolism
Alveoli
41. Is found on the stem between nodes.
Internodal tissue
The theory of punctuated equilibrium
The adrenal glands
Will increase the reaction rate
42. Where protein synthesis occurs. They float unattached in the cytoplasm. They contain RNA that is specific to their function in protein formation.
Free ribosomes
Alveoli
Phosphorous gas
Vascular bundles
43. (of some plants or fungi) feeding on dead or decaying organic matter
Saprophytic
Cell walls
Successful reproduction
Isotonic Conditions
44. 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.
Phosphorous
Meristem tissue
Gene Migration
Lactose
45. 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).
Phloem tissue
Electron Transfer System (ETS)
Imprinting
The Cell Theory
46. Controls sensory and motor responses - and controls memory - speech - and intelligence factors.
Cerebrum
Protista
Gametocide
An enzyme
47. Must be present for photosynthesis to occur - it is not used up in the process.
Anabolsim
Ecological niches open up
Pi
Chlorophyll
48. Is a coenzyme required in the synthesis of collagen.
Filtered by the liver
Vitamin C
The synthesis of ATP molecules to store energy is an example of
Cenozoic era
49. Is comprised of all the organisms that interact within a given ecosystem whether or not it is at carrying capacity.
The nucleus
The community
So it can be used over and over again.
Catabolism
50. 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
Arthropoda
Ecotone
Silicon
The Nitrogen cycle