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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. Capillary bed that is adjacent to the capillaries of the uterine lining & exchanges everything except for blood
nucleus
community stability
placenta
insight learning
2. The enzyme that controls the cell cycle & is destroyed during mitosis
ER lumen
cyclin
population dynamics
ES complex
3. The number of individuals of a species per unit of area or volume at a given time
population density
allele frequency
cell elongation
positive tropic response
4. A molecular unit that consists of a five carbon sugar & one or more phosphate groups & and a nitrogenous base
RNA polymerase
telophase
nucleotide
cytokinesis
5. Going from areas of high concentration to low concentration & going with the concentration gradient
passive transport
mechanical isolation
adaptive radiation
allele frequency
6. An abrupt decline from high to low population density
food chain
vas deferens
punctuated equilibrium
population crash
7. Moving a solid molecule into a cell
phagocytosis
cognition
stamen
disruptive selection
8. Changes within a species that occur in relatively short periods of time that are the result of changes in the genetic composition of populations
disaccharide
facilitation
microevolution
exponential population growth
9. Completes the preparation of the endometrium for pregnancy
allopatric speciation
spirillum
progesterone
net primary productivity
10. Reproductive isolation due to different mating times
budding
snRNP
seasonal isolation
flagella
11. Megaspore after mitosis
maltose
growth from cell division
embryo sac
RNA polymerase
12. The young have a high probability of surviving & which the old have a much lower probability
random dispersion
endosymbiotic theory
genetics
type 1 survivorship curve
13. When a cell controls how fast it wants to take things in
zygote
CFCs
gated channel
random dispersion
14. The start of a gene
kinetechore
crossing over
promoter
Bubourethral gland
15. The buildup of a toxin in an organism's body
bioaccumulation
filament
natality
biogeography
16. When a molecule attaches to the channel and the carrier 'somersaults' to the other side and releases the molecule & then returns to its original side
allele frequency
mobile carrier
commensalism
the signal to start bringing amino acids
17. The change in allelic frequencies of two or more populations over time & the interdependent evolution of two or more interacting species
intrinsic rate of increase
organic compound
coevolution
sociobiology
18. When a population's allele and genotype frequencies don't change from generation to generation
purine
consumption overpopulation
genetic equilibrium
meiosis 2
19. A tool of ecological management in which the undergrowth and plant litter are deliberately burned under controlled condition before they accumulate to dangerous levels
angiosperm
ecosystem management
controlled burning
learning
20. All the alleles present in the population
diploid
cellulose
mechanical isolation
gene poll
21. 'packages' cell products
comminity
Golgi complex
3' end
modern synthesis
22. A compound in which carbon atoms are covalently bonded to one another to form the backbone of the molecule
monosaccharide
primary succession
organic compound
transcription
23. What something does and how it does it
climax community
barrier method
behavior
ethylene
24. A parasite that lives inside the host
umbilical cord
endoparasite
habitat isolation
nucleolus
25. Cold & dry & permafrost & treeless & short growing season
yoke sac
heterozygous
social behavior
tundra
26. A type of natural selection for successful mating
meiosis 2
sexual selection
directional selection
punctuated equilibrium
27. Sticky part of the pistil that pollen sticks to
survivorship curve
stigma
ecology
nucleolus
28. Both dominant or recessive
sign stimulus
homozygous
corpus luteum
promoter codon
29. The study of changes in a population (how and why the population numbers increase and decrease)
population dynamics
transcription
taiga
semelparous
30. Lays eggs
dispersion
habitat
realized niche
oviporous
31. When a cell or nucleus has only a single set of chromosomes
founder effect
cilia
haploid
abiogenesis
32. A disaccharide made from glucose and galactose & milk sugar
lactose
promoter codon
mutualism
individualistic model
33. A type of social learning based on early experience which allows offspring to bond to their mother
genetic equilibrium
cytokinesis
imprinting
stamen
34. Making more DNA
DNA replication
logistic population growth
function group
altruism
35. The proportion of a particular genotype in the population
phagocytosis
genotype frequency
megaspore
temperate forest
36. Exactly the same as mitosis
meiosis 1
secondary consumers
glycogen
glycoprotein
37. A simple signal that triggers a specific behavioral response
DNA replication
cross fertilization
sign stimulus
ovary
38. The study of behavior in natural environments from an evolutionary perspective
behavior ecology
tubal ligation
monosaccharide
evolutionary arms race
39. Male gamete released into the female
endocytosis
internal fertilization
hydrolysis reaction
deforestation
40. The proportion of a particular genotype in the population
genotype frequency
energy flow
hydrologic cycle
steroid
41. Stimulates the anterior pituitary to make FSH and LH
contact inhibition
granum
clumped dispersion
GnRH
42. Holds the ovaries to the body of the uterus
ovarian ligament
modern synthesis
RNA primer
hormone
43. Provides food for the developing embryo in a land egg
yoke sac
crepuscular
sexual selection
species richness
44. When most are average and extremes are better
community stability
permease
stabilizing selection
resource partitioning
45. Immature sperm cell
facilitated diffusion
codon
ecotone
spermatid
46. The proportion of a particular phenotype in the population
mechanical isolation
osmotic pressure
phosphorus cycle
phenotype frequency
47. Produces semen (2)
negative tropic response
flagella
Bubourethral gland
viviporous
48. Holds the ovules
ovary
antrhopomorphic
sister chromatids
flagella
49. Has cones
Punnett square
gymnosperm
intrinsic rate of increase
codon
50. Reproductive isolation due to molecular and chemical differences
gametic isolation
monogamy
heterotroph
hermaphrodism