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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 pituitary gland.
The community
A prosthetic group
A sudden change in the amount of extracellular fluid will be corrected by events following the release of substances from this organ.
Nucleotides
2. Is a social behavior of an organism that is beneficial to the group at the individual's expense.
The primary role of DNA in the cell
Natality
Pi
Altruism
3. 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.
Gregor Medel
Sudden appearance and disappearance of fossil species
Lysosomes
Gametocide
4. Small - green - heart-shaped gametophyte plant form of a fern that can make its own food and absorb water and nutrients from the soil
Nematoda
Prothallus
Angiosperms
An enzyme
5. A sex-linked recessive disorder carried on the x chromosome in which an individual cannot perceive certain colors.
Color blindness
Gymnosperms
Mesozoic era
Carrying capacity
6. Are more closely related to Homo Sapiens than to other apes - but Homo Sapiens did not evolve from chimpanzees.
Chimpanzees
The biosphere
Ecological niches open up
The cell membrane
7. A reaction that adds water to another compound. (2 hydrogens - 1 oxygen).
An inhibitor
Germ layers
Vitamin C
Hydrolysis
8. Is an ion that binds to an enzyme making it more able to catalyze a reaction.
The hormone aldosterone
Stem tissues
Non-protein
A prosthetic group
9. Includes all living and nonliving components of the Earth to support living things.
The biosphere
Did not evolve together
The adrenal glands
Differential reproduction
10. Are organic cofactors or coenzymes that are required by some enzymatic reactions.
Cerebrum
Vitamins
Genetic maintenance
The pituitary gland
11. 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.
An enzyme
Cenozoic era
Lysosomes
Prosthetic groups
12. 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
The nucleus
Characteristics of water valuable to living organisms
Ionic bonds involve
13. Is the organelle where cellular reproductive processes occur.
The nucleus
Porifera
Arthropoda
Kingdom Fungi
14. Are the monomers that form nucleic acids - containing a sugar - phosphate group - and a nitrogenous base.
Natality
Anabolism
Stem tissues
Nucleotides
15. 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
Ecotone
Imprinting
Aves
16. Fossilized burrows from multicellular organisms begin to appear in the geological record approximately 700 million years ago during the Precambrian period. These multicellular animals had only soft parts and could not be fossilized.
Protista
Precambrian period
An enzyme
Parenchyma tissue
17. The bronchi lead to the two lungs where they branch out in all directions into smaller tubules known as bronchioles.
The products of the Krebs cycle
Phloem tissue
Bronchi
About five million years ago...
18. Has an equal (50%) chance of being passed from a carrier mother to a son or a daughter.
Catabolism
Hemophilia
A sex linked recessive disease
Phosphorous gas
19. 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
C ---OH
Midbrain
Non-protein
20. There was extensive radiation of fish during the Devonian and Silurian periods within the Paleozoic Era.
Paleozoic era
The Cambrian Period
Ionic bonds involve
Habitat
21. Is very rare and is not absorbed by plant leaves. Phosphorous is nearly always found in solid form.
Chimpanzees
Chromatin
Parenchyma tissue
Phosphorous gas
22. Is weaker than ionic - covalent - disulfide - or double bonds.
Ribonucleic acid
Carrying capacity
A hydrogen bond
pH of Water
23. Has extreme hot or cold temperatures - with very low precipitation - sandy or rocky terrain - sparse vegetation (mainly succulents) - small animals - rodents - and reptiles.
Stem tissues
Desert
Nucleotides
Chordata
24. Contains optic lobes - controls sight.
Altruism
Catabolism
Chimpanzees
Midbrain
25. The phyla of sponges.
Annelida
Porifera
Meristem tissue
Natality
26. Energy transformations that occur as chemicals are broken down or synthesized within the cell.
Cellular Metabolism
Porifera
Habituation
Kingdom Animalia
27. Is the waxy protective outer coating of leaves.
A catalyst
Restriction enzymes
Porifera
The cuticle
28. All store energy within their chemical bonds.
Ionic bonds involve
Color blindness
Cellulose - starch - lipid - and sugar molecules
Multiple fruit
29. The phylum of insects (bees).
The theory of punctuated equilibrium
Arthropoda
Cerebellum
A lysosome
30. The phyla of round worms.
Nematoda
Endocytic vesicles
Kingdom Animalia
Anabolism
31. Occurs when two populations are geographically isolated from each other. Over time this results in the production of two separate species.
Allopatric speciation
Paleozoic era
Sudden appearance and disappearance of fossil species
Tundra
32. Include: Vascular tissue - including both xylem and phloem - and sieve plates existing between cells of the stem.
Balance
Ecotone
Stem tissues
A sex linked recessive disease
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
Phosphorous gas
Genetic maintenance
Gametogenesis
The pituitary gland
34. Is a coenzyme required in the synthesis of collagen.
Vitamin C
Phloem tissue
Simple fruits
The products of the Krebs cycle
35. Refers to the birthrate of a population.
Natality
Kingdom Plantae
The Cell Theory
Chromatin
36. Subsets below the kingdom level
Ionic bonds involve
Phyla
The pituitary gland
A hydrogen bond
37. Stood upright before there was an increase in brain size.
Early hominids...
Precambrian period
Genetic imprinting
Vascular bundles make up the
38. Absorb a photon of light and is found in the grana of the chloroplast.
Filtered by the liver
Morula
Chlorophyll has the ability to
Bryophytes
39. 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
Cenozoic era
The biosphere
Circadian rhythms
Sudden appearance and disappearance of fossil species
40. Engages in both passive and active transport.
Mesozoic era
The cell membrane (plasma membrane)
Circadian rhythms
Nucleotides
41. Consists of undifferentiated cells capable of quick growth and specialization. It is responsible for elongation of the stem.
Larynx
Gymnosperms
A species role in the food chain is part of its
Meristem tissue
42. Is a protein - which is a polymer of amino acids. They generally have the suffix -ase- like lactase.
Population
Isotonic Conditions
Hemophilia
An enzyme
43. 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.
A hydrogen bond
Centrioles
Biogeochemical cycles
Interphase
44. Is found in the root cap and is responsible for quick growth in the roots.
Restriction enzymes
Biosphere
Simple fruits
Meristem tissue
45. The phyla composed of segmented worms.
Annelida
Enzymes catalyze reactions
Porifera
Gregor Medel
46. 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
So it can be used over and over again.
Photolysis is a reaction of photosynthesis where
Alveoli
Phototropism
47. Studied the relationships between traits expressed in parents and offspring and the genes that caused the traits to be expressed.
Habituation
Endoderm
Destroy most enzymes
Gregor Medel
48. Respiratory organs within insects
Bronchi
Endocytic vesicles
Parenchyma tissue
Spiracles
49. 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
The Nitrogen cycle
Carbon
Sudden appearance and disappearance of fossil species
Gene Migration
50. 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
Differential reproduction
Kingdom Plantae
Endocytic vesicles
About five million years ago...