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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. Layer that will become the skin - some endocrine glands - and the nervous system.
Endocytic vesicles
Simple fruits
The key limiting factor on cell size
Ectoderm
2. Stood upright before there was an increase in brain size.
Early hominids...
Population
The pituitary gland
Catabolism
3. Allows for the genetic code to be preserved in future generations of cells.
Cenozoic era
DNA replication
T Cells
Lymphocytes
4. The vocal cords are found in the larynx.
T Cells
Parenchyma tissue
Larynx
The hormone aldosterone
5. The phyla composed of segmented worms.
Genetic imprinting
Kingdom Fungi
A species role in the food chain is part of its
Annelida
6. Controls sensory and motor responses - and controls memory - speech - and intelligence factors.
North America
Cerebrum
Genome
Non-protein
7. Are the monomers that form nucleic acids - containing a sugar - phosphate group - and a nitrogenous base.
Ecological niches open up
Nucleotides
The pituitary gland
Savanna
8. 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
Allopatric speciation
Circadian rhythms
pathogenic
Forebrain
9. Biotic (living) factors such as population and food source - and abiotic (non-living) factors such as weather - temperature - soil features - sunlight).
Savanna
Kingdom Plantae
The habitat of an organism includes
Natality
10. (of some plants or fungi) feeding on dead or decaying organic matter
Saprophytic
Vascular bundles make up the
Larynx
Arthropoda
11. Are more closely related to Homo Sapiens than to other apes - but Homo Sapiens did not evolve from chimpanzees.
Isotonic Conditions
Circadian rhythms
Chimpanzees
The primary role of DNA in the cell
12. Has extreme hot or cold temperatures - with very low precipitation - sandy or rocky terrain - sparse vegetation (mainly succulents) - small animals - rodents - and reptiles.
Circadian rhythms
Isotonic Conditions
A species role in the food chain is part of its
Desert
13. Is the sugar that lactase acts upon.
C ---OH
Porifera
Lactose
Vascular bundles make up the
14. A hydrogen bond involves the ________________ and can be easily broken.
Midbrain
Attraction of atoms of different polarity
Recycled environmental factors
Aganatha
15. Are easily converted to ATP - but the main energy products of the Krebs cycle liberate electrons then used in the electron transfer reactions.
Cellulose - starch - lipid - and sugar molecules
The products of the Krebs cycle
Porifera
Biogeochemical cycles
16. Are surrounded by capillaries that allow for carbon dioxide to diffuse into the lungs and oxygen to diffuse out.
Hydrolysis
Successful reproduction
Alveoli
Cnidaria
17. Anabolism
Habituation
Biogeochemical cycles
Alveoli
The synthesis of ATP molecules to store energy is an example of
18. Is secreted by the adrenal cortex to promote sodium reabsorption in the kidney.
Phyla
DNA replication
The hormone aldosterone
Anabolism
19. The lineage that led to the modern Homo Sapiens diverged from the lineage that led to the modern chimpanzee.
Circadian rhythms
The Nitrogen cycle
Larynx
About five million years ago...
20. Some patrol the blood for antigens - but are also equipped to destroy antigens. They may regulate immune responses as well.
Blastula
T Cells
Through nitrogen fixing bacteria and lighting
Catabolism
21. Is a phylum that contains jellyfish - hydra - etc.
Cnidaria
Pi
Kingdom Protista
Silicon
22. Is an ion that binds to an enzyme making it more able to catalyze a reaction.
Genetic maintenance
A prosthetic group
Cerebrum
Parenchyma tissue
23. Has loosely packed cells that allow for gas and moisture exchange.
Precambrian period
Parenchyma tissue
Internodal tissue
Biogeochemical cycles
24. Channels is cell membranes that carry water between cells.
Xylem tissue
Plasmodesmata
A hydrogen bond
Attraction of atoms of different polarity
25. Subsets below the kingdom level
The community
Kingdom Fungi
Phyla
Phloem tissue
26. The role played by an organism in its food chain.
Chromosome
Ecotone
The cell's 'powerhouses'
Niche
27. Plants and animals obtain usable nitrogen
Through nitrogen fixing bacteria and lighting
Anabolsim
A sudden change in the amount of extracellular fluid will be corrected by events following the release of substances from this organ.
Tundra
28. Algae and Protozoa belong to the kingdom...
Anabolism
Protista
Nucleotides
Color blindness
29. Contains multicellular photosynthetic eukaryotic organisms including gymnosperms and angiosperms.
Epidermal tissue
Cytosine
Kingdom Plantae
Bryophytes
30. Occurs when two populations are geographically isolated from each other. Over time this results in the production of two separate species.
Gametogenesis
Allopatric speciation
Phyla
Lysis
31. Mass extinctions promote diversification because _______________ - making conditions favorable for the establishment of new - diverse species.
Ecological niches open up
Annelida
Anabolism
Chromosome
32. 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.
Sudden appearance and disappearance of fossil species
Pharynx
The synthesis of ATP molecules to store energy is an example of
Genome
33. 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
Biogeochemical cycles
Destroy most enzymes
Will increase the reaction rate
Filtered by the liver
34. The sharp boundary of an ecosystem.
Hydrolysis
Phyla
Ecotone
Simple fruits
35. The transfer of electrons.
Ionic bonds involve
Isotonic Conditions
Vascular bundles make up the
A sex linked recessive disease
36. Layer that will become the gut lining as well as some accessory structures.
An enzyme
Vascular bundles
Precambrian period
Endoderm
37. Consists of undifferentiated cells capable of quick growth and specialization. It is responsible for elongation of the stem.
Ecological niches open up
Altruism
Carbon
Meristem tissue
38. Disease causing
Alveoli
Gametogenesis
Ecotone
pathogenic
39. In DNA Thymine pairs with...
Adenine
T Cells
Catabolism
The salivary gland
40. Controls balance and muscle coordination
Plasmodesmata
Vitamin C
Cerebellum
North America
41. What phylum are snakes in?
Chordata
The biosphere
pH of Water
Balance
42. Is a molecule that stores information for protein synthesis and genetic coding.
The adrenal glands
Biosphere
Ribonucleic acid
Silicon
43. 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
A sex linked recessive disease
The salivary gland
44. When the water concentration inside and outside the cell is equal - It is said to be in an...
Cellulose - starch - lipid - and sugar molecules
Hemophilia
Spiracles
Iisotonic state
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
Cerebellum
Anabolsim
Simple fruits
46. Is more like branching out of a tree with dead ends and new branches appearing simultaneously than like steps on a ladder.
An enzyme
The evolution leading to Homo Sapiens...
T Cells
Habitat
47. An enzyme is unaffected by the reactions it catalyzes
Cellulose - starch - lipid - and sugar molecules
Silicon
So it can be used over and over again.
An enzyme
48. The class composed of birds.
Share electrons
Aves
Chromatin
Lactose
49. An orienting response to light.
Phototropism
Vascular bundles make up the
Genetic screening
Anabolsim
50. 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.
The evolution leading to Homo Sapiens...
Interphase
Cerebrum
A catalyst
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