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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. Connecting trunk of the pistil
endosperm
hydrophillic
cilia
style
2. An intimate relationship or association between members of two or more species
genetics
photoperiodism
symbiosis
allontois
3. Capillary bed that is adjacent to the capillaries of the uterine lining & exchanges everything except for blood
placenta
budding
semipermeable membrane
oral contraceptive
4. The largest population that can be maintained for an indefinite period by a particular environment as long as there are no changes in it
contact inhibition
K selection populations
carrying capacity
cognition
5. Implanted in the uterus & probably stimulates inflammatory response and prevents implantation
linked genes
intrauterine device (IUD)
antiparallel
positive tropic response
6. Lays down an RNA primer that allows the DNA polymerase to attach to the DNA strand
start codon
RNA primer
courtship ritual
testosterone
7. The genetic drift that results when a small number of individuals from a large population found a new colony
acid growth hypothesis of elongation
endocytosis
behavior
founder effect
8. The global movement of water between the abiotic environment and organisms
Thomas Malthus
hydrologic cycle
umbilical cord
homologous chromosomes
9. Up or down
sympatric speciation
pyramid of biomass
homozygous
primary growth
10. 'Water fearing' & repels water
hydrophobic
S phase
maltose
DNA helicase
11. The process of community development over time & which involves species in one stage being replaced by other species
random dispersion
succession
energy transduction
transcription
12. A combination of natural selection and genetics
genotype frequency
parthenogenesis
monogamy
modern synthesis
13. Local variation in climate produced by differences in elecation
biological organization
starch
bottom up process
microclimate
14. Stalk of the stamen
cytokinin
ecosytem
filament
pyrimidine
15. A mutation in which the entire reading chain is shifted & changed everything after an addition or delection
antiparallel
fundamental niche
frameshift mutation
kin selection
16. The information from the mRNA being used to form a protein
phytochrome
translation
transcription
genetic code
17. Occurs when the environment is worsening from too many people
people overpopulation
keystone species
acid growth hypothesis of elongation
3' end
18. A single ringed nitrogenous base
enzyme
Golgi complex
purine
ovouiviporous
19. The change in species composition produced at ecotones
edge effect
crepuscular
individualistic model
snRNP
20. Each gene is present in two copies & when gametes are formed each gamete gets only one of the two factors
ecological pyramid
Law of Segregation
biogeography
bacillus
21. Found out that the hormone was being produced in the tip
community structure and functioning
CDK
Darwin
ovary
22. Unfertilized egg develops into a reproducing haploid animal that is capable of reproducing using a different process to make gametes
frameshift mutation
parthenogenesis
allontois
autosome
23. The assignments of codons for amino acids and for start and stop signals
gross primary productivity
stabilizing selection
coleoptile
genetic code
24. Any environmental factor that affects the size of a population but isn't influences by changes in population density & usually abiotic factors
density independent factor
fecundity
cognition
triaclyglycerol molecule
25. Participates in the process in which amino acids are linked to form polypeptides
centromere
pyrimidine
RNA
individualistic model
26. A structure that separates the duplicated chromosomes during anaphase
mitotic spindle
style
oviduct
competitive exclusion principle
27. Associates strongly with polar water molecules
linked genes
holandric
DNA polymerase III
hydrophillic
28. Causes rapid cell division
semiconservative replication
primary succession
cytokinin
maltose
29. The time when no cell division in occurs
prostate
glycogen
realized niche
interphase
30. Plant growth response that is dependent on the direction of stimulus
tropic response
metaphase
seminiferous tubules
greenhouse effect
31. The arrival of the chromosomes at the poles and cytokinesis
biosphere
zygote
telophase
type 3 survivorship cure
32. Covalently linking monomers
disruptive selection
spherical
condensation reaction
keystone species
33. The average per capita death rate
cotyledon
mortality
community structure and functioning
anticodon
34. A graph that illustrates the total biomass at each successive trophic level
pyramid of biomass
heredity
3' end
meiosis
35. Camouflage
contact inhibition
pseudopod
M phase
cryptic coloration
36. Reproductive isolation due to different mating times
intrasexual selection
punctuated equilibrium
competition
seasonal isolation
37. The proportion of a particular phenotype in the population
ecological pyramid
facilitated diffusion
genetics
phenotype frequency
38. On the side where the 5' carbon is
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183
39. Affects the ripening of fruit
ethylene
primary consumers
growth from cell division
3' end
40. The information from the mRNA being used to form a protein
yoke sac
translation
estrogen
sodium potassium pump
41. An actively cooperating group of individuals belonging to the same species and often closely related
embryo
society
coevolution
DNA ligase
42. Provides food for the developing embryo in a land egg
random dispersion
yoke sac
hybrid
hermaphrodism
43. Energy level
trophic level
ecology
microsporocyte
follicle
44. A type of natural selection for successful mating
fitness
semelparous
parthenogenesis
sexual selection
45. New genetically identical 'self' grows on the side and then breaks off
posterior pituitary
budding
disturbance
community stability
46. The time when no cell division in occurs
interphase
spherical
protein
test cross
47. Stimulates the growth of sex organs at puberty and the development of secondary sex characteristics & induces maturation & stimulates monthly preparation of endometrium for pregnancy & makes cervical mucus thinner and more alkaline
biogeochemical cycle
estrogen
logistic population growth
nitrogen cycle
48. Makes up the cytoskeleton
microtubule
genetics
kin selection
home range
49. Produces semen (3)
macroevolution
epistasis
prostate
dynamic equilibrium
50. Any environmental source that tends to restrict the ecological niche of a species because it is scare or unfavorable
dispersion
limited resource
hydrologic cycle
founder effect