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. 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.
C ---OH
Iisotonic state
Germ layers
Interphase
2. A length of DNA (with corresponding histones) is responsible for the production of a certain protein that causes a particular trait to be expressed in an organism.
Ectoderm tissue
Kingdom Fungi
Interphase
A gene is
3. Decomposition of living matter for consumption.
Genetic screening
Pharynx
Alveoli
parasitic
4. The process of forming eggs and sperm cells in the reproductive organs.
A mutation
Gametogenesis
Destroy most enzymes
A hydrogen bond
5. The class composed of birds.
Aves
Lymphocytes
Phototropism
Adenine
6. Produce antibodies into the bloodstream that find and attach themselves to foreign antigens (toxins - bacteria).
Aggregate fruit
B Cells
The cuticle
Early hominids...
7. Where protein synthesis occurs. They float unattached in the cytoplasm. They contain RNA that is specific to their function in protein formation.
Chimpanzees
The key limiting factor on cell size
Free ribosomes
Mitochondria
8. Protein synthesis
The pancreas
DNA produces particular genetic traits through
The key limiting factor on cell size
Centrioles
9. The large brain and upright posture of Homo Sapiens...
Lymphocytes
The Nitrogen cycle
Phosphorous gas
Did not evolve together
10. Veins in the leaf and are also distributed throughout the stem
The nucleus
Cuticle
Prothallus
Vascular bundles make up the
11. 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).
Scurvy
Lysosomes
Phloem tissue
The Hardy-Weinberg Law of Equilibrium
12. Is very rare and is not absorbed by plant leaves. Phosphorous is nearly always found in solid form.
Pharynx
Interphase
A gene is
Phosphorous gas
13. Is a kind of plain characterized by a warm climate - grassland - and seasonally dry climate conditions.
Savanna
Kingdom Fungi
Sudden appearance and disappearance of fossil species
Cellular Respiration
14. Super-class of vertebrae including organisms with no jaws.
Vascular bundles make up the
Carrying capacity
Aganatha
Cellulose - starch - lipid - and sugar molecules
15. Is when expression of genetic traits is determined by weather the trait is inherited from the mother or the father.
Genetic imprinting
Lysis
A catalyst
Bronchi
16. A hydrogen bond involves the ________________ and can be easily broken.
T Cells
Kingdom Animalia
Ribonucleic acid
Attraction of atoms of different polarity
17. Is a coenzyme required in the synthesis of collagen.
Vitamin C
Phosphorous
North America
Xylem tissue
18. Is the organelle where cellular reproductive processes occur.
Morula
Common elements found in proteins
Gametogenesis
The nucleus
19. Is a phylum that contains jellyfish - hydra - etc.
Protista
Porifera
A gene is
Cnidaria
20. Ended with the extinction of the dinosaurs.
Bryophytes
Cerebrum
Mesozoic era
Nucleotides
21. Produce adrenaline. This hormone is a well-known constrictor of blood vessels.
Cenozoic era
Chlorophyll
The adrenal glands
Gene Migration
22. Are surrounded by capillaries that allow for carbon dioxide to diffuse into the lungs and oxygen to diffuse out.
Alveoli
Centrioles
Chlorophyll
Kingdom Protista
23. 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
About five million years ago...
Endocytic vesicles
DNA replication
Niche
24. Between the endoderm and ectoderm - layer that will eventually form the muscles - and organs of the skeletal - circulatory - respiratory - reproductive - and excretory systems.
Free ribosomes
A sudden change in the amount of extracellular fluid will be corrected by events following the release of substances from this organ.
Attraction of atoms of different polarity
Mesoderm
25. High temperatures
The Nitrogen cycle
The cell membrane
Catabolism
Destroy most enzymes
26. The preservation of the integrity of genetic information from one generation to another.
Destroy most enzymes
Genetic maintenance
Kingdom Protista
Spiracles
27. 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.
A sex linked recessive disease
Vitamins
Ectoderm tissue
Precambrian period
28. Fruits that develop from a single ripened ovary (apple - olive - acorn - cucumber).
Cytosine
Precambrian period
Simple fruits
Habitat
29. The phylum of insects (bees).
Arthropoda
Bronchi
Morula
The community
30. Niche
Will increase the reaction rate
Plasmodesmata
A species role in the food chain is part of its
parasitic
31. Chlorophyll pigments absorb photons of light - leaving the chlorophyll in a higher energy (excited) state - these then supply energy to reactions that produce ATP from ADP and Pi.
Photolysis is a reaction of photosynthesis where
The nucleus
Trachea
Imprinting
32. Carbon - Hydrogen - Oxygen - and Nitrogen
Common elements found in proteins
Phosphorous gas
Lymphocytes
Internodal tissue
33. 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.
Kingdom Animalia
Vitamin C
Filtered by the liver
Aves
34. Is a compound fruit that forms from several ovaries of separate flowers that fuse together during ripening (strawberry - or pineapple).
Genetic screening
Protista
The adrenal glands
Multiple fruit
35. Covalent bonds
Phototropism
Aggregate fruit
Forebrain
Share electrons
36. 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
Gametogenesis
Genome
Cerebellum
37. The number of organisms in a given community - can be above or below the carrying capacity.
Population
Altruism
Vascular bundles make up the
Larynx
38. Includes all living and nonliving components of the Earth to support living things.
Pi
A hydrogen bond
Internodal tissue
The biosphere
39. Plants and animals obtain usable nitrogen
Chimpanzees
The pituitary gland
Chromosome
Through nitrogen fixing bacteria and lighting
40. 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.
Savanna
Natality
Interphase
Parenchyma tissue
41. Is the sugar that lactase acts upon.
Lactose
Blastula
Gregor Medel
The Cell Theory
42. The most recent and present era. It includes the radiation of flowering plants - the angiosperms.
Cenozoic era
Vitamin C
Isotonic Conditions
Niche
43. Is the process that releases energy for use by the cell.
The pituitary gland
Cellular Respiration
The cell's 'powerhouses'
Through nitrogen fixing bacteria and lighting
44. Channels is cell membranes that carry water between cells.
Plasmodesmata
Attraction of atoms of different polarity
Larynx
Phyla
45. The sharp boundary of an ecosystem.
Ecotone
Mitochondria
Iisotonic state
Stem tissues
46. Engages in both passive and active transport.
Xylem tissue
The cell membrane (plasma membrane)
Interphase
Pharynx
47. The solid mass of cells resulting from the cleavage of the ovum before the formation of a blastula.
Recycled environmental factors
Balance
Cenozoic era
Morula
48. A reaction that adds water to another compound. (2 hydrogens - 1 oxygen).
Porifera
Hydrolysis
Mesoderm
Filtered by the liver
49. Controls sensory and motor responses - and controls memory - speech - and intelligence factors.
Filtered by the liver
About five million years ago...
A sex linked recessive disease
Cerebrum
50. 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.
Ectoderm tissue
Cerebrum
Pharynx
Stomach secretions