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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. Oscillation between two things that affect the population & keeps the population in check
microtubule
leading strand
nocturnal
negative feedback
2. The concentration of water is lower than in the other area
hypotonic
ovary
antiparallel
cytoskeleton
3. The typical form of carbohydrate used for energy storage in plants
natural selection
sucrose
controlled burning
starch
4. Proposes that simple prokaryotic organisms began living in symbiotic relationships that eventually became obligatory (necessary) as one cell engulfed the other
community structure and functioning
endosymbiotic theory
ester linkage
semipermeable membrane
5. When most are average and extremes are better
stabilizing selection
cristae
triaclyglycerol molecule
yoke sac
6. Plastic cap over the cervix
start codon
individualistic model
semelparous
diaphragm
7. A form of active transport that uses energy to pump ions from the outside to the inside of a cell
sodium potassium pump
ovouiviporous
greenhouse effect
navigation
8. Morning after pill
sexual reproduction
primary succession
protein
RU-486
9. The global movement of phosphorus between the abiotic environment and organisms
S phase
phosphorus cycle
pyrimidine
genetic code
10. Species interacting in a positive way & Which modifies and enhances the local environment for other species
density dependent factor
Darwin
Law of Segregation
facilitation
11. Lays eggs
fat
oviporous
ecosystem management
biological organization
12. A piece of DNA that codes for a specific trait
type 2 survivorship curve
ovouiviporous
gene
density independent factor
13. Different traits are passed on separately and independently from one another
water vacuole
Law of Independent Assortment
heterozygous
facilitated diffusion
14. Male part of the flower
intron
stamen
gene poll
genetic equilibrium
15. Causes rapid cell division
diploid
corpus luteum
cytokinin
embryo sac
16. On the side where the 3' carbon is
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17. When a population is regulated by its environment's limits & grows until it levels out just below the carrying capacity and then oscillates
are selection populations
logistic population growth
microevolution
tertiary structure
18. The assignments of codons for amino acids and for start and stop signals
natality
genetic code
lactose
cervix
19. The proportion of a particular phenotype in the population
lysis
spermatid
condom
phenotype frequency
20. On the side where the 5' carbon is
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21. Secretes hormones that keep uterine lining thick in the event of fertilization & what the follicle turns into after fertilization
pyrimidine
climax community
type 2 survivorship curve
corpus luteum
22. A plant structural compound
snRNP
posterior pituitary
chitin
cellulose
23. Interaction among two or more individuals that attempt to use the same essential resource
competition
mitosis
secondary succession
genotype frequency
24. A type of natural selection for successful mating
intrinsic rate of increase
operant conditioning
sodium potassium pump
sexual selection
25. A double ringed nitrogenous base
cell membrane
gamete
pyrimidine
community stability
26. A cooperative view of the community that stresses interactions between different species
endoplasmic reticulum
cooperative ion channel
cross fertilization
organismic model
27. The concentration of water is higher than in the other area
hypertonic
natality
semiconservative replication
M phase
28. Interaction among two or more individuals that attempt to use the same essential resource
competition
individualistic model
exponential population growth
oral contraceptive
29. Where ribosomes are made & in the nucleus
nucleolus
prostate
directional selection
mortality
30. Breaking apart water
operant conditioning
punctuated equilibrium
thigmotropism
hydrolysis reaction
31. Where seminiferous tubules are found & where testosterone is made
climax community
denaturation
stamen
testes
32. Can't make its own food
hydrophobic
CDK
controlled burning
heterotroph
33. Busiest at dawn or dusk
DNA helicase
thigmotropism
environmental science
crepuscular
34. A macromolecule composed of amino acids
protein
mRNA
punctuated equilibrium
polar body
35. Plant growth response that is dependent on the direction of stimulus
recombination
oviduct
phototropism
tropic response
36. 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
cellulose
competitive exclusion principle
lysosome
37. Chemical messenger
fecundity
hormone
hydrophobic
polar body
38. Energy level
antiparallel
follicle
trophic level
nucleolus
39. Have traits that contribute to a high population growth rate & usually small & reach maturity early & have short life span & have lots of offspring & provide little to no parental care
are selection populations
vasectomy
spermatid
palentology
40. The change in species composition produced at ecotones
courtship ritual
hypothalamus
edge effect
density independent factor
41. The buildup of a toxin in an organism's body
parthenogenesis
adaption
random dispersion
bioaccumulation
42. A piece of DNA that codes for a specific trait
gene
sister chromatids
mitochondria
cryptic coloration
43. Going from areas of low to high concentration & goes against the concentration gradient & requires cell energy
endoctrine
active transport
osmotic pressure
community structure and functioning
44. A long whip-like tail used for movement
apical meristem
estrogen
artificial selection
flagella
45. The cells that don't become eggs in oogenesis
corpus luteum
palentology
polar body
modern synthesis
46. The time when no cell division in occurs
community structure and functioning
ecosytem
endosperm
interphase
47. An environmental factor whose ways of affecting a population are altered when there is a change in population density
pyramid of numbers
density dependent factor
endosperm
cytokinin
48. Provides food for the developing embryo in a land egg
desert
yoke sac
endoctrine
negative feedback
49. The sequence of nucleotides in one chain dictates the complementary sequence of nucleotides in the other
palentology
stamen
complementary
ecotone
50. One dominant and one recessive
M phase
rRNA
bacillus
heterozygous