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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. Can't make its own food
lipid
plasmolysis
lactose
heterotroph
2. Found out that the hormone was being produced in the tip
placenta
Darwin
learned behavior
DNA ligase
3. The concentration of water is lower than in the other area
macroevolution
acrosome
hypotonic
species diversity
4. Inhibits ovulation & affects the endometrium and cervical mucus to prevent implantation & regulates the menstrual cycle
oral contraceptive
pistil
hypothalamus
Batesian mimicry
5. Has its own life support for the embryo
pyramid of biomass
condom
land egg
metaphase
6. A geographic area that animals seldom leave
facilitation
home range
stamen
uniform dispersion
7. Involves mitosis and cytokinesis
gated channel
hypertonic
M phase
sodium potassium pump
8. Shows interactions at their most basic level (who eats who)
polysaccharide
facilitation
food web
polypetide
9. Capillary bed that is adjacent to the capillaries of the uterine lining & exchanges everything except for blood
placenta
allele frequency
denaturation
progesterone
10. Covalently linking monomers
meiosis 1
enzyme
people overpopulation
condensation reaction
11. Lays down an RNA primer that allows the DNA polymerase to attach to the DNA strand
Boysen-Jensen
biosphere
RNA primer
disruptive selection
12. Triggers mitosis when it binds with cyclins at high enough concentrations & survives mitosis
cryptic coloration
CDK
sign stimulus
the signal to start bringing amino acids
13. Contains two monosaccharide rings joined by a ether link
ovouiviporous
test cross
sympatric speciation
disaccharide
14. CAT
the signal to start bringing amino acids
diploid
oviporous
character displacement
15. Fused compound of the polar nuclei and the sperm cells that isn't used
holandric
isotonic
endosperm
microspore
16. Holds the ovaries to the body of the uterus
ovarian ligament
codon
grasslands
Beta human chorion gonadotropic
17. An economical form of reserve fuel storage which yields over two times more energy than carbs when metabolized
fat
interphase
prostate
pyrimidine
18. Changes within a species that occur in relatively short periods of time that are the result of changes in the genetic composition of populations
cell theory
maltose
prophase
microevolution
19. The end of a gene
ecotone
CDK
termination sequence
dynamic equilibrium
20. Megaspore after mitosis
sodium potassium pump
nastic response
embryo sac
cilia
21. On the side where the 3' carbon is
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22. Busiest at dawn or dusk
Law of Segregation
nitrogen cycle
photoperiodism
crepuscular
23. The enzyme that makes RNA and unzips the DNA for transcription
clumped dispersion
decomposers
gametic isolation
RNA polymerase
24. Contain identical & double stranded DNA sequences (><)
sister chromatids
trophic level
gibberellin
codon
25. Can't make its own food
contact inhibition
dominant species
mitochondria
heterotroph
26. An organic compound consisting of only carbon and hydrogen
hydrocarbon
coevolution
K selection populations
diploid
27. Lays eggs
oviporous
navigation
gymnosperm
are selection populations
28. The beta pleated sheet or alpha helix
anticodon
secondary structure
haploid
external fertilization
29. 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
epistasis
learning
recombination
Law of Segregation
30. Stimulates the anterior pituitary to make FSH and LH
GnRH
stigma
interspecific competition
hypertonic
31. New genetically identical 'self' grows on the side and then breaks off
ovary
style
budding
monogamy
32. Chemical messenger
ribosome
injectable contraceptive
producers
hormone
33. Stimulates the interstitial cells to secrete testosterone in males & stimulates ovulation and the development of the corpus luteum in females
LH
chitin
CDK
anterior pituitary
34. The layer that surrounds the cell and holds everything in
cell membrane
turgor pressure
Punnett square
behavioral (sexual) isolation
35. Species that expend their energy in a single & huge reproductive effort
semelparous
ethylene
tubal ligation
monogamy
36. A molecular unit that consists of a five carbon sugar & one or more phosphate groups & and a nitrogenous base
nucleotide
community structure and functioning
endometrium
nucleus
37. The change in allelic frequencies of two or more populations over time & the interdependent evolution of two or more interacting species
tertiary structure
commensalism
coevolution
sympatric speciation
38. Interaction among two or more individuals that attempt to use the same essential resource
competition
oscillate
lagging strand
fluid mosaic model
39. When most are average and extremes are better
stabilizing selection
Law of Segregation
gross primary productivity
dominant species
40. AAAA...
deforestation
termination sequence
cervix
G1 phase
41. The net energy available for biomass production by consumer organisms
endoplasmic reticulum
secondary productivity
polysaccharide
cyclin
42. Species that expend their energy in a single & huge reproductive effort
temperate forest
edge effect
RNA
semelparous
43. When the animal must do something to gain a reward or to avoid punishment
negative feedback
operant conditioning
community
prostate
44. Things that eat the producers & second lowest trophic level
primary consumers
DNA polymerase 1
mobile carrier
hypertonic
45. The nuclear division that produces two nuclei containing chronosomes identical to those in the parental nucleus
anticodon
RNA primer
mitosis
cell membrane
46. The global movement of nitrogen between the abiotic environment and organisms
nitrogen cycle
megaspore
RU-486
flagella
47. The interaction of two or more animals & usually of the same species
social behavior
oral contraceptive
interbreeding
bacillus
48. A species that is crucial in determining the nature of the entire community and that greatly affects the rest of the community & keeps the who ecosystem in balance
symbiosis
keystone species
posterior pituitary
yoke sac
49. Stimulates the development of seminiferous tubules and spermatogenesis in males & stimulates the development of follicles and the secretion of estrogen in females
FSH
navigation
evolutionary arms race
amino acid
50. Moving a solid molecule into a cell
posterior pituitary
follicle
phagocytosis
diaphragm