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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. The idea that evolution takes place in relatively short bursts of rapid change followed by long periods of stability
commensalism
character displacement
punctuated equilibrium
population density
2. When a population is regulated by its environment's limits & grows until it levels out just below the carrying capacity and then oscillates
logistic population growth
hermaphrodism
cell wall
polar body
3. Provides genetic variation through recombination
ovulation
phenotype frequency
comminity
sexual reproduction
4. Changes that take place over very long periods of time that may result in speciation
cooperative ion channel
macroevolution
hermaphrodism
phytochrome
5. A species is protected because of its similar appearance to an undesirable species
isotonic
temperate woodland
Boysen-Jensen
Batesian mimicry
6. Produces semen (3)
producers
tropical rainforest
tropical rainforest
prostate
7. The passage of energy in a one-way direction through an ecosystem
cytokinesis
parasitism
estrogen
energy flow
8. The local environment where a species lives
habitat
viviporous
epididymis
stabilizing selection
9. Shows interactions at their most basic level (who eats who)
food web
polypetide
habituation
protein
10. 'Water fearing' & repels water
acid growth hypothesis of elongation
hydrophobic
RNA
nocturnal
11. The constituent of a protein & has an amino group (NH2) and a carboxyl group (COOH) bonded to the same alpha carbon
organic compound
amino acid
recombination
coleoptile
12. Species that are all undesirable resemble each other
kinetechore
Mullerian mimicry
quaternary structure
density independent factor
13. A group consisting of members of the same species that live together in a prescribed area at the same time
primary succession
cytokinin
population
internal fertilization
14. Going through protein channels with the concentration gradient
modern synthesis
artificial selection
facilitated diffusion
binary fission
15. An actively cooperating group of individuals belonging to the same species and often closely related
society
enzyme
disaccharide
sexual selection
16. Completes the preparation of the endometrium for pregnancy
endometrium
nucleic acid
progesterone
chitin
17. The probability of mortality is highest at a young age & the survival probability increases with age
realized niche
type 3 survivorship cure
recombination
gravitropism
18. Required for making a boy a boy and sexual growth
testosterone
hypothalamus
bacillus
learning
19. When individuals in a population are spaced throughout an area in a way that is unrelated to where other are & the least common type of dispersion
interphase
random dispersion
population crash
active transport
20. Original cell that forms sperm
cytoskeleton
microsporocyte
environmental science
positive tropic response
21. Noncoding material
biological organization
promoter
intron
ectoparasite
22. A lipid that consists of carbon atoms arranged in four attached rings & three of which are hexagonal and the other is pentagonal
altruism
microevolution
imprinting
steroid
23. A conservation approach that emphasizes restoring and maintaining the quality of an entire ecoystem rather than the conservation of individual species
primary structure
ecosystem management
nastic response
apical meristem
24. Holds the ovaries to the body of the uterus
society
biogeography
ovarian ligament
density dependent factor
25. When most are average and extremes are better
behavior ecology
stabilizing selection
RNA primer
maltose
26. Gases act like a blanket and hold heat in the atmosphere
directional selection
abiogenesis
greenhouse effect
injectable contraceptive
27. The largest population that can be maintained for an indefinite period by a particular environment as long as there are no changes in it
sign stimulus
carrying capacity
crepuscular
polar microtubules
28. The strand of DNA that is always growing away from the replication fork & so only short pieces can be synthesized
lagging strand
nucleolus
embryo
cytokinin
29. 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
niche
corpus luteum
5' end
asexual reproduction
30. A group of the populations of all the different species in an area
comminity
diaphragm
polypoidy
gene flow
31. Holds the cell in place and gives it structure
cytoskeleton
classical conditioning
haploid
endoparasite
32. Associates strongly with polar water molecules
gene poll
hydrophillic
mobile carrier
apical meristem
33. A form of a gene
mitochondria
polysaccharide
allele
pair bonds
34. A chain produced by likening small organic compounds called monomers
RNA
osmotic pressure
polymer
society
35. Where DNA is held & the control center of the cell
gross primary productivity
nucleus
species diversity
tropical rainforest
36. CAT
ovaries
intron
the signal to start bringing amino acids
Thomas Malthus
37. The end of a lineage
extinction
logistic population growth
flagella
denaturation
38. Changes that take place over very long periods of time that may result in speciation
macroevolution
vas deferens
protein
purine
39. A scientific discipline with ties to evology that focuses on how humans interact with the environment
environmental science
endosymbiotic theory
cell theory
interphase
40. Contains two monosaccharide rings joined by a ether link
hybrid
stamen
mitochondria
disaccharide
41. A compound present on the outer surface of cells that aren't bacteria
exon
telophase
glycoprotein
yoke sac
42. Decompose all trophic levels
age structure
RNA
placenta
decomposers
43. One extreme is bad and the other is good
aposematic coloration
DNA
tropic response
directional selection
44. An important part of the structure of ribosomes that has catalytic functions needed during protein synthesis
pair bonds
injectable contraceptive
estrogen
rRNA
45. AUG
DNA helicase
pyramid of energy
start codon
coevolution
46. The process by which heritable traits make it more likely that an organism will have greater reproductive success
rhythm method
natural selection
paritally hydrogenated
vasectomy
47. When water moves into a cell and keeps going in until the membrane bursts
biological magnification
intrinsic rate of increase
lysis
uniform dispersion
48. The enzyme that takes out all of the introns & leaving only the exons
termination sequence
snRNP
sex reversal
glycoprotein
49. Cutting of vas deferens
pyramid of biomass
vasectomy
society
ectoparasite
50. Participates in the process in which amino acids are linked to form polypeptides
savanna
RNA
intrasexual selection
phototropism