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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. When strands run in opposite directions
antiparallel
artificial selection
sexual reproduction
placenta
2. 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
FSH
intraspecific competition
resource partitioning
interference competition
3. When one individual behaves in a way that seem to benefit others rather than itself
turgor pressure
autosome
altruism
secondary consumers
4. Pressure the cell membrane exerts on the cell wall when the water vacuole is filled
turgor pressure
intermediate disturbance hypothesis
energy flow
oviduct
5. TATA
dominant species
chitin
uniform dispersion
promoter codon
6. Produces testosterone
interstitial cell
learning
equilibrium
rRNA
7. Top of the stamen & where pollen is produced
intrinsic rate of increase
territoriality
anther
parental investment
8. Release of the egg
monogamy
habitat isolation
ovulation
test cross
9. The concentration of water is higher than in the other area
hypertonic
phenotype frequency
allele frequency
culture
10. A long whip-like tail used for movement
primary consumers
heredity
pair bonds
flagella
11. Promotes cell eleongation & cell division & and seed growth
bioaccumulation
tRNA
gibberellin
sexual reproduction
12. Lays down an RNA primer that allows the DNA polymerase to attach to the DNA strand
RNA primer
DNA polymerase 1
ectoparasite
estrogen
13. Fertile soil & all grass
pyrimidine
grasslands
DNA polymerase 1
fitness
14. All the alleles present in the population
pyramid of biomass
gene poll
hermaphrodism
endometrium
15. The number and proportion of people at each age in a population
promoter codon
age structure
mobile carrier
greenhouse effect
16. Behavior that is common to a population & learned from other members of the group & and transmitted from one generation to another
growth from cell division
hypotonic
culture
founder effect
17. Morning after pill
M phase
ribosome
RU-486
concentration gradient
18. Where chromosomes are attached to spindle fibers
kinetechore
haploid
pseudopod
S phase
19. The enzyme that links the Okazaki fragments
zygote
glycolipid
DNA ligase
anaphase
20. The arrival of the chromosomes at the poles and cytokinesis
parental investment
founder effect
telophase
anticodon
21. A graph of the number of organisms at each trophic level in a given ecosystem
logistic population growth
pyramid of numbers
cytoskeleton
GnRH
22. Active at nigh
natural selection
lipid
primary growth
nocturnal
23. Species that are all undesirable resemble each other
environmental science
parthenogenesis
Mullerian mimicry
tropical rainforest
24. 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
cytokinin
estrogen
genetic equilibrium
bioaccumulation
25. 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
competitive exclusion principle
are selection populations
ovaries
palentology
26. More cells
growth from cell division
phospholipid
3' end
frameshift mutation
27. The lifestyle a species actually pursues and the resources it actually uses
zygote
competitive exclusion principle
biogeochemical cycle
realized niche
28. Reproductive isolation due to structural differences
ecotone
mechanical isolation
concentration gradient
clumped dispersion
29. When a population's allele and genotype frequencies don't change from generation to generation
aposematic coloration
facilitation
genetic equilibrium
amnion
30. A disaccharide made from glucose and fructose & table sugar
apical meristem
allele frequency
sucrose
DNA ligase
31. Produces follicle stimulating hormone (FSH) and luteinizing hormone (LH)
growth from cell division
anterior pituitary
tropic response
nucleic acid
32. Produces testosterone
life table
interstitial cell
fat
polymer
33. The strand of DNA that is always growing away from the replication fork & so only short pieces can be synthesized
intraspecific competition
Boysen-Jensen
Golgi complex
lagging strand
34. A lipid that consists of carbon atoms arranged in four attached rings & three of which are hexagonal and the other is pentagonal
hermaphrodism
cristae
steroid
directional selection
35. A compound in which carbon atoms are covalently bonded to one another to form the backbone of the molecule
urethra
organic compound
climax community
codon
36. When two parts of sister chromatids exchange corresponding parts
crossing over
controlled burning
Okazaki fragment
meiosis
37. A common type of gene interaction in which the presence of certain alleles can prevent or mask the expression of a different allele and express their own phenotype instead
primary consumers
character displacement
artificial selection
epistasis
38. Lateral
Batesian mimicry
barrier method
triaclyglycerol molecule
secondary growth
39. Where ribosomes are made & in the nucleus
nucleolus
sexual selection
phytochrome
fat
40. Spiral shaped prokaryotic cells
founder effect
binary fission
spirillum
kin selection
41. The person that said that the human population would quickly outgrow the natural resources and that it would cause war
pyramid of biomass
oscillate
estrogen
Thomas Malthus
42. The average per capita birth rate
natality
glycoprotein
placenta
imprinting
43. The contribution that each parent makes in producing and rearing offspring
linked genes
contact inhibition
nocturnal
parental investment
44. Leaves right around the base of the flower that contains the flower
sepal
external fertilization
grasslands
steroid
45. Contains multiple monosacharides bonded together & consists of repeating units of simple sugars
genetics
dynamic equilibrium
type 3 survivorship cure
polysaccharide
46. Involves persistent changes in behavior that result from experience
interstitial cell
learning
antrhopomorphic
secondary growth
47. Proposes that simple prokaryotic organisms began living in symbiotic relationships that eventually became obligatory (necessary) as one cell engulfed the other
endosymbiotic theory
DNA ligase
genotype frequency
mitochondria
48. The clearance of large expanses of forest for agriculture or other uses
ester linkage
embryo sac
are selection populations
deforestation
49. The graph of the number of surviving individuals against age (birth to maximum age)
survivorship curve
ovary
transcription
intrinsic rate of increase
50. 'packages' cell products
altruism
Golgi complex
fecundity
tRNA