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Test your basic knowledge |
Honors Freshman Science
Start Test
Study First
Subject
:
science
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. Cells are the basic unit of living organisms and all cells come from pre-existing cells
savanna
cell theory
net primary productivity
glycocalyx
2. Emphasizes species individuality & shows how each species has its own abiotic living requirements
autotroph
hydrophillic
individualistic model
CDK
3. A form of natural selection that increases inclusive fitness through the breeding success of close relatives
primary consumers
endometrium
kin selection
starch
4. Reads bases and puts the correct base into it & can only lay down in one direction
biogeochemical cycle
artificial selection
DNA polymerase III
home range
5. The tubules that extend from each pole to the equatorial region
people overpopulation
polar microtubules
mitochondria
anticodon
6. Where ribosomes are made & in the nucleus
classical conditioning
condom
nucleolus
auxin
7. The sequence of nucleotides in one chain dictates the complementary sequence of nucleotides in the other
chitin
disruptive selection
chorion
complementary
8. Plastic cover of the penis
GnRH
limited resource
monogamy
condom
9. When natural selection favors individuals of each species that avoid or reduce among coexisting species as a result of each species' niche differing from the others in one or more ways & reducing competition
nucleus
start codon
lipid
resource partitioning
10. Aka aggregated distribution & occurs when resources in an area are clumbed & when there is limited seed dispersal or asexual reproduction & or when families/colonies all live together & good because the organisms can protect one another
gene
clumped dispersion
extinction
stroma
11. A lipid that consists of a clycerol molecule attached at one end to two fatty acids & and at the other end to a phosphate group linked to an organic compound
phospholipid
intrinsic rate of increase
DNA
zygote
12. A compound in which carbon atoms are covalently bonded to one another to form the backbone of the molecule
spermacide
organic compound
intrasexual selection
binary fission
13. Eggs and sperm combine
cross fertilization
sex reversal
microevolution
abiogenesis
14. An economical form of reserve fuel storage which yields over two times more energy than carbs when metabolized
fat
producers
cell theory
GnRH
15. A main component of cell walls of fungi and of the external skeletons of insects & crayfish & and other arthropods
heterozygous
testosterone
chitin
ecotone
16. Choosing certain trains and breeding only individuals that axhibited the desired traits
enzyme
artificial selection
biological magnification
sociobiology
17. Moving a liquid molecule into a cell
gametic isolation
abiogenesis
net primary productivity
pinocytosis
18. Spiral shaped prokaryotic cells
niche
clumped dispersion
spirillum
gymnosperm
19. When individuals in a population are spaced throughout an area in a way that is unrelated to where other are & the least common type of dispersion
S phase
type 3 survivorship cure
random dispersion
DNA ligase
20. A community with the abiotic factors of the place
ecosytem
barrier method
symbiosis
habitat isolation
21. Aka contest competition & certain dominant individuals get a good supply of the limited resources while the other less dominant organisms in the population don't
endoparasite
Darwin
interference competition
embryo sac
22. All of the contents of the cell inside the membrane
adaptive radiation
cytoplasm
sexual reproduction
polysaccharide
23. A section of three nitrogenous bases
allele
embryo
codon
GnRH
24. All life forms must come from pre-existing life (correct idea)
biogenesis
lactose
granum
tubal ligation
25. Shows interactions at their most basic level (who eats who)
biological organization
coleoptile
food web
lagging strand
26. Both extremes are better than average
snRNP
cytokinin
random dispersion
disruptive selection
27. A nucleic acid polymer consisting of nucleotide subunits that can associate by complementary base paining with the single-strand DNA template
crepuscular
glycocalyx
RNA
polar microtubules
28. Immature sperm cell
spermatid
ovarian ligament
ovouiviporous
allele
29. Cutting of vas deferens
chitin
zygote
ecosystem management
vasectomy
30. When females select their mates on the basis of some physical trait or some resource offered by the winning suitor
endosymbiotic theory
intersexual selection
maltose
semiconservative replication
31. A graph of the number of organisms at each trophic level in a given ecosystem
insight learning
artificial selection
pyramid of numbers
behavioral (sexual) isolation
32. The end of a lineage
ovouiviporous
extinction
pinocytosis
embryo sac
33. Promotes cell eleongation & cell division & and seed growth
gibberellin
nucleic acid
commensalism
ecosytem
34. Competition among population of different species
interspecific competition
population density
bioaccumulation
cotyledon
35. Lateral
founder effect
heterotroph
rhythm method
secondary growth
36. Initial shoot that comes out of the ground
intrasexual selection
cell membrane
vas deferens
coleoptile
37. Cold & dry & permafrost & treeless & short growing season
tundra
circadian rhythms
mitochondria
tropic response
38. One species excludes another from its niche as a result of interspecific competition
hypothalamus
net primary productivity
competitive exclusion principle
DNA helicase
39. The possession of two or more set of chromosomes
polypoidy
endometrium
keystone species
greenhouse effect
40. Any process that leads to new gene combinations
yoke sac
heterozygous
viviporous
recombination
41. Initial fertilized cell
greenhouse effect
zygote
tundra
home range
42. The arrival of the chromosomes at the poles and cytokinesis
ES complex
telophase
Law of Segregation
recombination
43. Inhibits ovulation & lasts a long time
injectable contraceptive
recombination
fundamental niche
antrhopomorphic
44. Going through protein channels with the concentration gradient
facilitated diffusion
megasporocyte
deforestation
phototropism
45. The enzyme that controls the cell cycle & is destroyed during mitosis
cyclin
monogamy
negative tropic response
altruism
46. Makes up the cytoskeleton
microtubule
insight learning
competitive exclusion principle
commensalism
47. Produces gonatotropin releasing hormone (GnRH)
fecundity
endocytosis
DNA polymerase III
hypothalamus
48. Morning after pill
endosymbiotic theory
RU-486
artificial selection
negative tropic response
49. Destoy the ozone layer
CFCs
endoplasmic reticulum
saturated fatty acid
imprinting
50. The maximum rate at which a population of a given species could increase under ideal conditions & plenty of resources &and a low population density & is influenced by the age of reproductive maturity & how long the organism is able to reproduce & and
carbon cycle
parental investment
monosaccharide
intrinsic rate of increase