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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 ribosomes are made & in the nucleus
paritally hydrogenated
nucleolus
3' end
gated channel
2. LH-like hormone produced by the placenta that maintains the corpus luteum
people overpopulation
Beta human chorion gonadotropic
endoparasite
cooperative ion channel
3. The strand of DNA that is synthesized smoothly and continuously
seminicle vesical
leading strand
gated channel
fatty acid
4. The tubules that extend from each pole to the equatorial region
maltose
polar microtubules
symbiosis
primary succession
5. When a cell controls how fast it wants to take things in
stigma
migration
gated channel
haploid
6. How the molecule folds on itself due to the functional group interactions
biogeochemical cycle
tertiary structure
cristae
sodium potassium pump
7. Reproductive isolation due to molecular and chemical differences
endoctrine
semipermeable membrane
mutualism
gametic isolation
8. Megasporocyte after meiosis
habituation
megaspore
ester linkage
gravitropism
9. AUG
promoter codon
iteroparous
start codon
biosphere
10. Provides genetic variation through recombination
sexual reproduction
gravitropism
succession
RNA primer
11. Immature sperm cell
spermatid
3' end
sexual selection
vas deferens
12. Sex cell
negative feedback
testes
environmental science
gamete
13. Energy level
meiosis 2
megaspore
trophic level
cytoskeleton
14. The study of behavior in natural environments from an evolutionary perspective
commensalism
evolutionary arms race
behavior ecology
contact inhibition
15. Emphasizes species individuality & shows how each species has its own abiotic living requirements
parental investment
ovouiviporous
individualistic model
endosperm
16. When individuals are evenly spaced & occurs because of territoriality or competition for resources or space
angiosperm
mobile carrier
bioaccumulation
uniform dispersion
17. The pressure necessary to keep the water from moving in a you-tube
hydrolysis reaction
pseudopod
interspecific competition
osmotic pressure
18. The enzyme that links the Okazaki fragments
recombination
glycogen
DNA ligase
trophic level
19. Compounds with the same molecular formulas but different structures
species diversity
cellulose
isomer
primary consumers
20. When a cell or nucleus contains two sets of chromosomes
termination sequence
diploid
vas deferens
leading strand
21. Composes the genes and contains the instructions for making all the proteins & as well as the RNA & an organism needs
DNA
pyramid of energy
self fertilization
oral contraceptive
22. The global movement of carbon between the abiotic environment and organisms
operant conditioning
carbon cycle
biosphere
social behavior
23. The passage of energy in a one-way direction through an ecosystem
GnRH
oviporous
energy flow
triaclyglycerol molecule
24. The probability of survivorship doesn't change with age
type 2 survivorship curve
evolutionary arms race
social behavior
filament
25. A fatty acid that doesn't contain the maximum possible number of hydrogens
polypoidy
LH
unsaturated fatty acid
termination sequence
26. Fossil record
community stability
natality
palentology
transcription
27. Aka boreal forest & big evergreen forests & cold most of the year
fluid mosaic model
anther
cellulose
taiga
28. Growth response to physical disturbance & positive or negative
thigmotropism
turgor pressure
hydrophobic
anaphase
29. Holds the ovules
ovary
modern synthesis
microspore
ecosystem management
30. A long & unbranched hydrocarbon chain with a carboxyl group (COOH) at one end
yoke sac
tertiary structure
fatty acid
are selection populations
31. A sequence of three bases that hydrogen bond with the mRNA codon by complementary base pairing
competitive exclusion principle
anticodon
the signal to start bringing amino acids
stigma
32. Gases act like a blanket and hold heat in the atmosphere
type 3 survivorship cure
greenhouse effect
iteroparous
RNA primer
33. Daily & 24 hour cycles of activity
circadian rhythms
cotyledon
RNA
Beta human chorion gonadotropic
34. Speciation that occurs when a new species evolves within the same geographic region as the parental species
sympatric speciation
savanna
circadian rhythms
cooperative ion channel
35. Leaves right around the base of the flower that contains the flower
sepal
dispersion
competition
culture
36. Each gene is present in two copies & when gametes are formed each gamete gets only one of the two factors
prostate
Law of Segregation
courtship ritual
clumped dispersion
37. A system of tubes and tubules used for internal storage and transport of proteins
oscillate
dynamic equilibrium
pseudopod
endoplasmic reticulum
38. The accelerating population growth rate that occurs when optimal conditions allow a constant per capita growth rate
primary consumers
rRNA
resource partitioning
exponential population growth
39. A mating system in which a male mates with only one female during a breeding season
3' end
homologous chromosomes
transcription
monogamy
40. Warm & lots of rain & highest level of diversity and production
parental investment
oviporous
tropical rainforest
carrying capacity
41. An actively cooperating group of individuals belonging to the same species and often closely related
testosterone
society
DNA helicase
altruism
42. A mating system in which a male mates with only one female during a breeding season
complementary
hydrophillic
monogamy
antiparallel
43. Capillary bed that is adjacent to the capillaries of the uterine lining & exchanges everything except for blood
promoter
placenta
exponential population growth
rhythm method
44. A piece of DNA that codes for a specific trait
stroma
cytokinesis
oral contraceptive
gene
45. One dominant and one recessive
RNA
heterozygous
altruism
comminity
46. The number of species in a community
species richness
vasectomy
commensalism
random dispersion
47. Thin inner membrane in a land egg
chorion
testes
genetics
pyrimidine
48. Shows the mortality and survival data of a population
comminity
life table
RNA
competition
49. An important part of the structure of ribosomes that has catalytic functions needed during protein synthesis
intraspecific competition
rRNA
nucleolus
ovary
50. Lays eggs
disaccharide
endoctrine
fat
oviporous