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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. Proposes that simple prokaryotic organisms began living in symbiotic relationships that eventually became obligatory (necessary) as one cell engulfed the other
cristae
endosymbiotic theory
polar microtubules
ER lumen
2. A group of the populations of all the different species in an area
comminity
termination sequence
phenotype frequency
cilia
3. 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
secondary succession
logistic population growth
meiosis
4. Male part of the flower
endosperm
cell theory
stamen
sister chromatids
5. Chemical messenger
hormone
bioaccumulation
auxin
intrauterine device (IUD)
6. Produces oxytocin
S phase
gibberellin
producers
posterior pituitary
7. When individuals are evenly spaced & occurs because of territoriality or competition for resources or space
temperate forest
cross fertilization
uniform dispersion
limited resource
8. When the cell prepares itself for division
G2 phase
sucrose
phospholipid
test cross
9. The study of changes in a population (how and why the population numbers increase and decrease)
population dynamics
active transport
Golgi complex
exponential population growth
10. Plastic cover of the penis
slash and burn agriculture
apical meristem
genotype frequency
condom
11. A large & relatively distinct terrestrial region that has similar climate & soil & plants & and animals regardless of where it occurs
auxin
logistic population growth
biome
behavior ecology
12. Found out that the hormone was being produced in the tip
S phase
Darwin
society
oviduct
13. The contribution that each parent makes in producing and rearing offspring
ecosytem
lipid
parental investment
genetics
14. Both dominant or recessive
homozygous
base substitution mutation
DNA polymerase III
ecology
15. The role of an organism within the structure and function of a community & takes into account all biotic and abiotic aspects of the species & as well as all the physical & chemical & and biological factors that it needs to survive & its habitat & wha
polysaccharide
function group
niche
tertiary structure
16. Where seminiferous tubules are found & where testosterone is made
nucleolus
estrogen
GnRH
testes
17. Controls the growth and development in animals
endoctrine
nastic response
primary succession
Beta human chorion gonadotropic
18. A conservation approach that emphasizes restoring and maintaining the quality of an entire ecoystem rather than the conservation of individual species
ecosystem management
angiosperm
stroma
auxin
19. Has cones
gymnosperm
meiosis 1
density independent factor
mitotic spindle
20. Cells are the basic unit of living organisms and all cells come from pre-existing cells
cell theory
autotroph
savanna
realized niche
21. An abrupt decline from high to low population density
hydrologic cycle
concentration gradient
natural selection
population crash
22. Release of the egg
glycoprotein
ovulation
ES complex
cell theory
23. The buildup of predator and prey strategies
prostate
facilitated diffusion
evolutionary arms race
nastic response
24. Energy from food passing from one organism to the next in a sequence
ovary
kin selection
intrasexual selection
food chain
25. Where chromosomes are attached to spindle fibers
survivorship curve
kinetechore
photoperiodism
cross fertilization
26. Where sperm cells are formed by spermatogenesis
food chain
realized niche
gymnosperm
seminiferous tubules
27. Energy level
phenotype frequency
trophic level
gene
phytochrome
28. Sex cell
acrosome
osmotic pressure
phosphorus cycle
gamete
29. Where sperm cells are formed by spermatogenesis
primary consumers
seminiferous tubules
acrosome
lactose
30. When water moves into a cell with a wall & and the cell grows and pushes against the cell wall and makes it rigid
turgor pressure
population density
the signal to start bringing amino acids
viviporous
31. The young have a high probability of surviving & which the old have a much lower probability
anticodon
phototropism
injectable contraceptive
type 1 survivorship curve
32. Fossil record
human demographics
umbilical cord
food chain
palentology
33. Going from areas of low to high concentration & goes against the concentration gradient & requires cell energy
courtship ritual
cervix
lysosome
active transport
34. Cut down trees and then burn them & pollutes the air & 'kills' the soil
paritally hydrogenated
slash and burn agriculture
semipermeable membrane
barrier method
35. When the sister chomatids separate and the chromosomes move to opposite poles
biome
3' end
gross primary productivity
anaphase
36. A disaccharide made from glucose and galactose & milk sugar
mitotic spindle
lactose
G2 phase
ecosystem management
37. Stimulates the interstitial cells to secrete testosterone in males & stimulates ovulation and the development of the corpus luteum in females
fluid mosaic model
population crash
Law of Independent Assortment
LH
38. The concentration is equal in both areas
temperate forest
isotonic
ecosystem management
centromere
39. A mating system in which a male mates with only one female during a breeding season
metaphase
extinction
monogamy
anticodon
40. 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
filament
antiparallel
polypetide
41. Stimulates the anterior pituitary to make FSH and LH
insight learning
spermacide
culture
GnRH
42. Eggs formed and held in the mother & eggs hatch and the offspring leaves the mother
society
homologous chromosomes
acrosome
ovouiviporous
43. A macromolecule composed of amino acids
protein
ecological pyramid
sexual reproduction
dynamic equilibrium
44. Completes the preparation of the endometrium for pregnancy
oviporous
kinetechore
progesterone
adaption
45. An evolutionary modification that improves the chances of survival and reproductive success in a given environment
adaption
exploitation competition
amino acid
allopatric speciation
46. The constituent of a protein & has an amino group (NH2) and a carboxyl group (COOH) bonded to the same alpha carbon
corpus luteum
symbiosis
behavior ecology
amino acid
47. Quantitative estimate of the total mass & the amount of living material
biomass
epistasis
sepal
bottom up process
48. Cold & dry & permafrost & treeless & short growing season
dynamic equilibrium
barrier method
plasmolysis
tundra
49. Moving a solid molecule into a cell
phagocytosis
character displacement
cytokinin
biome
50. Connects the ovary to the uterus & where fertilization usually takes place
oviduct
cell membrane
Golgi complex
negative feedback