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Test your basic knowledge |
CLEP Biology
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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. Is a phylum that contains jellyfish - hydra - etc.
Centrioles
Cnidaria
Anabolism
Xylem tissue
2. 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.
Very specific
Imprinting
The cell membrane
About five million years ago...
3. Some energy is lost as heat and becomes unusable.
Germ layers
A sex linked recessive disease
A species role in the food chain is part of its
As energy is transferred through trophic levels
4. Is the process that releases energy for use by the cell.
The pancreas
C ---OH
Cellular Respiration
Gametocide
5. Is an accidental change of the DNA sequence of the gene that can result in creating a change of trait that is not found in the parent.
A mutation
Altruism
Successful reproduction
Carrying capacity
6. Protein synthesis
Aggregate fruit
Hypothalamus
A species role in the food chain is part of its
DNA produces particular genetic traits through
7. Is found in the root cap and is responsible for quick growth in the roots.
Stem tissues
Filtered by the liver
Meristem tissue
Porifera
8. Must be present for photosynthesis to occur - it is not used up in the process.
Chlorophyll
Pi
The pancreas
The primary role of DNA in the cell
9. Covers and protects the leaf.
pathogenic
Cuticle
Gnathostomata
The community
10. This is a carboxyl group and is the signature group found within organic acids.
Aganatha
Lymphocytes
Sudden appearance and disappearance of fossil species
C ---OH
11. Attaches to an enzyme and blocks the enzyme reaction rather than enhancing it - like a prosthetic group would.
Very specific
Phloem tissue
An inhibitor
Porifera
12. 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.
The cell membrane
Sudden appearance and disappearance of fossil species
Recycled environmental factors
Annelida
13. States that where random mating is occurring within a population that is in equilibrium with its environment - the gene frequencies and genotype ratios will remain constant from generation to generation. It is a mathematical formula that shows why re
Aves
North America
The Hardy-Weinberg Law of Equilibrium
Habituation
14. It secretes saliva which enters the digestive tract and aids the digestive process.
Gene Migration
The salivary gland
Did not evolve together
Ecological niches open up
15. In both living and non-living environments.
Nematoda
pH of Water
The habitat of an organism includes
Enzymes catalyze reactions
16. Controls balance and muscle coordination
Aganatha
Cytosine
Niche
Cerebellum
17. Subsets below the kingdom level
A hydrogen bond
Paleozoic era
The Nitrogen cycle
Phyla
18. Has extreme cold temperatures - low precipitation - modified grassland - perma-frost - a short growing season and some plants and animals.
Tundra
Kingdom Plantae
Cellular Metabolism
The nucleus
19. Are where the sugars synthesized by photosynthesis travel through to various parts of the plant.
Annelida
Photolysis is a reaction of photosynthesis where
Vascular bundles
As energy is transferred through trophic levels
20. Is found on the stem between nodes.
Ecological niches open up
Free ribosomes
Gene Migration
Internodal tissue
21. Refers to the birthrate of a population.
Differential reproduction
Balance
Natality
Phototropism
22. Is disorganized - unravelled - DNA with histones attached.
Chromatin
Pharynx
A hydrogen bond
Morula
23. Is the sugar that lactase acts upon.
The pancreas
Lactose
Common elements found in proteins
Plasmodesmata
24. A cell will only remain stable if the surface area of the plasma membrane maintains a __________ with the volume of the cytoplasm.
Phototropism
Aves
Balance
Photolysis is a reaction of photosynthesis where
25. May be ions or non-protein molecules - they are similar to cofactors - but differ in that they are tightly attached by covalent bonds to the enzyme - rather than being separate atoms or molecules.
Gregor Medel
Natality
Meristem tissue
Prosthetic groups
26. Super-class of vertebrae including organisms with no jaws.
Iisotonic state
Aganatha
The nucleus
Enzymes catalyze reactions
27. Include: Vascular tissue - including both xylem and phloem - and sieve plates existing between cells of the stem.
Endoderm
Ectoderm
Vascular bundles make up the
Stem tissues
28. Energy transformations that occur as chemicals are broken down or synthesized within the cell.
Paleozoic era
Cellular Metabolism
Mesoderm
Share electrons
29. The destruction of gametes - (sex cells such as sperm and eggs).
Nucleotides
Chimpanzees
Gametocide
Ionic bonds involve
30. An enzyme is unaffected by the reactions it catalyzes
Cenozoic era
Gymnosperms
So it can be used over and over again.
A lysosome
31. Contain one celled eukaryotes such as algae and protozoa.
Meristem tissue
Filtered by the liver
Population
Kingdom Protista
32. Consists of undifferentiated cells capable of quick growth and specialization. It is responsible for elongation of the stem.
Niche
Endoderm
Meristem tissue
Mesoderm
33. Are cells involved in immunity and are produced in bone marrow as stem cells.
Cuticle
Lymphocytes
Kingdom Protista
An enzyme
34. The process of forming eggs and sperm cells in the reproductive organs.
Natality
Gametogenesis
Kingdom Animalia
An inhibitor
35. 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
Phloem tissue
Circadian rhythms
Chlorophyll has the ability to
Through nitrogen fixing bacteria and lighting
36. Controls sensory and motor responses - and controls memory - speech - and intelligence factors.
Carbon
Cerebrum
Trachea
The Nitrogen cycle
37. The solid mass of cells resulting from the cleavage of the ovum before the formation of a blastula.
Morula
Bryophytes
Vitamins
An enzyme
38. The vocal cords are found in the larynx.
Genetic imprinting
Parenchyma tissue
Larynx
Kingdom Plantae
39. Is a kingdom that includes algae and protozoa.
Destroy most enzymes
Phyla
Protista
Chimpanzees
40. A hydrogen bond involves the ________________ and can be easily broken.
Desert
The adrenal glands
Attraction of atoms of different polarity
The nucleus
41. The physical place where a particular organism lives. It must include all the factors that will support its life and reproduction.
Vitamins
Catabolism
Mesozoic era
Habitat
42. 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
Cuticle
Isotonic Conditions
Desert
Will increase the reaction rate
43. Carbon - Hydrogen - Oxygen - and Nitrogen
C ---OH
Phototropism
Common elements found in proteins
Characteristics of water valuable to living organisms
44. Allows for the genetic code to be preserved in future generations of cells.
B Cells
About five million years ago...
DNA replication
Parenchyma tissue
45. 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
Altruism
Xylem tissue
Filtered by the liver
46. All store energy within their chemical bonds.
Kingdom Animalia
Forebrain
The nucleus
Cellulose - starch - lipid - and sugar molecules
47. 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.
Characteristics of water valuable to living organisms
The synthesis of ATP molecules to store energy is an example of
Germ layers
Cuticle
48. Is the organelle where cellular reproductive processes occur.
A catalyst
Blastula
Arthropoda
The nucleus
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 theory of punctuated equilibrium
The Nitrogen cycle
Plasmodesmata
Anabolism
50. Contains organisms that are multicellular eukaryotes including molds and mushrooms.
Kingdom Fungi
The community
pathogenic
Biosphere
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