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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. Where chromosomes are attached to spindle fibers
enzyme
amino acid
kinetechore
snRNP
2. Active at nigh
cell membrane
nocturnal
carbon cycle
negative feedback
3. The movement of alleles
lipid
gene flow
M phase
disruptive selection
4. An individual of unknown genotype is crossed with a homozygous recessive individual
sex reversal
phototropism
turgor pressure
test cross
5. On the side where the 5' carbon is
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6. The accelerating population growth rate that occurs when optimal conditions allow a constant per capita growth rate
endoplasmic reticulum
DNA
Thomas Malthus
exponential population growth
7. A stable and persistent community & is impossible to achieve because of disturbances
sodium potassium pump
cellulose
climax community
snRNP
8. Emphasizes species individuality & shows how each species has its own abiotic living requirements
endoplasmic reticulum
individualistic model
gated channel
condensation reaction
9. Oscillation between two things that affect the population & keeps the population in check
cyclin
negative feedback
age structure
semiconservative replication
10. Lays down an RNA primer that allows the DNA polymerase to attach to the DNA strand
condom
exponential population growth
organismic model
RNA primer
11. A compound in which carbon atoms are covalently bonded to one another to form the backbone of the molecule
organic compound
incomplete dominance
logistic population growth
ethylene
12. When all the water is sucked out of a cell
interspecific competition
plasmolysis
cytoskeleton
gated channel
13. Where DNA is held & the control center of the cell
meiosis 1
nucleus
anther
cilia
14. Provides genetic variation through recombination
meiosis
intrauterine device (IUD)
allele
sexual reproduction
15. The lifestyle a species actually pursues and the resources it actually uses
land egg
realized niche
mRNA
learning
16. One dominant and one recessive
primary growth
heterozygous
sucrose
CFCs
17. A chain produced by likening small organic compounds called monomers
self fertilization
antrhopomorphic
polymer
ovarian ligament
18. Stores water in plants
sexual reproduction
trophic level
embryo sac
water vacuole
19. A piece of DNA made on the lagging strand
Okazaki fragment
Mullerian mimicry
DNA ligase
parental investment
20. A single ringed nitrogenous base
community
mRNA
RNA
purine
21. Male gamete released into the female
RNA
internal fertilization
chitin
grasslands
22. Where cells are actively dividing
apical meristem
individualistic model
antrhopomorphic
exponential population growth
23. Changes that take place over very long periods of time that may result in speciation
translation
carrying capacity
chorion
macroevolution
24. A disaccharide made from glucose and fructose & table sugar
sign stimulus
sucrose
comminity
starch
25. All life forms must come from pre-existing life (correct idea)
organismic model
biogenesis
ovulation
growth from cell division
26. Used for long term energy storage & cell membranes & padding and insulation & and steroids & soluble in nonpolar solvents and relatively insoluble in water
phenotype frequency
lysosome
pyramid of biomass
lipid
27. Kills sperm
energy flow
bioaccumulation
spermacide
endometrium
28. Produces gonatotropin releasing hormone (GnRH)
gibberellin
hypothalamus
community
interphase
29. Plant growth response that is dependent on the direction of stimulus
primary consumers
nucleic acid
tropic response
angiosperm
30. Megaspore after mitosis
mitosis
hypotonic
embryo sac
competitive exclusion principle
31. Produces testosterone
tRNA
interstitial cell
limited resource
ER lumen
32. Makes up the cytoskeleton
pyrimidine
microtubule
triaclyglycerol molecule
pyramid of energy
33. The largest population that can be maintained for an indefinite period by a particular environment as long as there are no changes in it
carrying capacity
plasmolysis
antiparallel
habitat isolation
34. Energy from food passing from one organism to the next in a sequence
adaptive radiation
food chain
frameshift mutation
parthenogenesis
35. Going up and down around a set point
oscillate
external fertilization
cytokinin
holandric
36. An organic compound with 3-7 carbons with a hydroxyl (OH) group bonded to each but one & which is double bonded to an oxygen
parental investment
intron
monosaccharide
genetic code
37. Fossil record
base substitution mutation
follicle
desert
palentology
38. Behavior that is common to a population & learned from other members of the group & and transmitted from one generation to another
ectoparasite
polar body
culture
permease
39. One extreme is bad and the other is good
hypotonic
phospholipid
barrier method
directional selection
40. Opening into the uterus
cervix
gene flow
net primary productivity
niche
41. More cells
gated channel
polymer
gross primary productivity
growth from cell division
42. Unzips the DNA strand
dispersion
DNA helicase
seasonal isolation
species diversity
43. Separates sperm from the egg
disruptive selection
competition
barrier method
haploid
44. Involves mitosis and cytokinesis
M phase
cristae
density dependent factor
yoke sac
45. A geographic area that animals seldom leave
DNA helicase
interbreeding
estrogen
home range
46. A species is protected because of its similar appearance to an undesirable species
asexual reproduction
Batesian mimicry
recombination
society
47. Speciation that occurs when one population becomes geographically separated from the rest of the species and subsequently evolves by natural selection/genetic drift
oviduct
semelparous
allopatric speciation
disruptive selection
48. All the Earth's communities and their interactions and connections with the planet's abiotic factors
endosperm
stabilizing selection
heterozygous
biosphere
49. Has cones
ovarian ligament
gymnosperm
exon
bottom up process
50. 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
maltose
species diversity
biological organization