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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. Any environmental source that tends to restrict the ecological niche of a species because it is scare or unfavorable
succession
limited resource
ecology
home range
2. The assignments of codons for amino acids and for start and stop signals
genetic code
grasslands
G2 phase
nocturnal
3. The largest population that can be maintained for an indefinite period by a particular environment as long as there are no changes in it
endosymbiotic theory
tubal ligation
disruptive selection
carrying capacity
4. Any event in time that disrupts community or population structure
organismic model
disturbance
navigation
allopatric speciation
5. Capillary bed that is adjacent to the capillaries of the uterine lining & exchanges everything except for blood
bioaccumulation
placenta
photoperiodism
transcription
6. An environmental factor whose ways of affecting a population are altered when there is a change in population density
trophic level
density dependent factor
starch
denaturation
7. The number of individuals of a species per unit of area or volume at a given time
condom
population density
function group
Law of Segregation
8. An arm of an amoeba
pseudopod
ovary
bottom up process
survivorship curve
9. Initial fertilized cell
behavior ecology
ester linkage
rRNA
zygote
10. An evolutionary modification that improves the chances of survival and reproductive success in a given environment
ovaries
mortality
dipeptide
adaption
11. Contains two monosaccharide rings joined by a ether link
oral contraceptive
disaccharide
taiga
nastic response
12. A long whip-like tail used for movement
semiconservative replication
meiosis 1
flagella
climax community
13. Lays eggs
density dependent factor
meiosis 2
condom
oviporous
14. The enzyme that takes out all of the introns & leaving only the exons
equilibrium
snRNP
kinetechore
FSH
15. Halfway between saturated and unsaturated
phagocytosis
sucrose
paritally hydrogenated
parthenogenesis
16. The stuff in between the granum
ectoparasite
polar body
stroma
age structure
17. Cold & dry & permafrost & treeless & short growing season
tundra
cristae
anther
microevolution
18. The amount of energy that remains in plant tissues after cellular respiration & the amount of biomass found in excess of that broken down by a plant's cellular respiration for normal daily activities
net primary productivity
phenotype frequency
realized niche
triaclyglycerol molecule
19. Cells are the basic unit of living organisms and all cells come from pre-existing cells
cell theory
diploid
community
LH
20. Zygote after it has undergone mitosis and grown
logistic population growth
mRNA
meiosis 1
embryo
21. When an original part of the double helix is put together with a new strand & and the same is done with the other part of the original
semiconservative replication
community structure and functioning
glycolipid
migration
22. The divergence of two similar species living in the same geographic area
culture
5' end
biome
character displacement
23. When all the water is sucked out of a cell
linked genes
enzyme
plasmolysis
individualistic model
24. Cutting of the oviduct
denaturation
territoriality
tubal ligation
mitochondria
25. Produces follicle stimulating hormone (FSH) and luteinizing hormone (LH)
semelparous
ecological pyramid
anterior pituitary
steroid
26. High to low concentration
phototropism
sympatric speciation
concentration gradient
habitat
27. Fluid filled sac where the primary oocyte divides to form the secondary oocyte and the polar body
sucrose
type 1 survivorship curve
vagina
follicle
28. Male gamete released into the female
dispersion
gamete
altruism
internal fertilization
29. The proportion of a particular phenotype in the population
saturated fatty acid
turgor pressure
phenotype frequency
disruptive selection
30. The amount of energy that remains in plant tissues after cellular respiration & the amount of biomass found in excess of that broken down by a plant's cellular respiration for normal daily activities
macroevolution
megaspore
net primary productivity
glycocalyx
31. Has its own life support for the embryo
behavior
land egg
phospholipid
protein
32. Partner chromosomes similar in size & shape & and the position of their centromeres (XX)
behavioral (sexual) isolation
survivorship curve
homologous chromosomes
oxytocin
33. The site of photosynthesis
pyrimidine
altruism
chloroplast
heterotroph
34. The enzyme that makes RNA and unzips the DNA for transcription
DNA helicase
RNA polymerase
nucleolus
oscillate
35. Oscillation between two things that affect the population & keeps the population in check
ER lumen
human demographics
imprinting
negative feedback
36. Produces proteins
metaphase
ribosome
limited resource
pyramid of numbers
37. Chromosomes other than sex chromosomes
testes
passive transport
autosome
vas deferens
38. Lateral
maltose
negative feedback
secondary growth
heterotroph
39. Implanted in the uterus & probably stimulates inflammatory response and prevents implantation
intrauterine device (IUD)
nitrogen cycle
start codon
limited resource
40. Halfway between saturated and unsaturated
diploid
interspecific competition
tRNA
paritally hydrogenated
41. A mating system in which a male mates with only one female during a breeding season
allopatric speciation
monogamy
hypothalamus
character displacement
42. The proportion of a specific allele in a particular population
allele frequency
genetic code
cellulose
energy transduction
43. Occurs when each individual in a population consumes too large a share of resources
chorion
consumption overpopulation
slash and burn agriculture
biogeochemical cycle
44. A scientific discipline with ties to evology that focuses on how humans interact with the environment
environmental science
population
parental investment
limited resource
45. A covalent link formed when the equivalent of a water molecule is removed as one of the glycerol's hydroxyl groups reacts with the carboxul group of a fatty acid
genetics
ester linkage
exponential population growth
Thomas Malthus
46. The possession of two or more set of chromosomes
polypoidy
testosterone
frameshift mutation
mortality
47. A form of active transport that uses energy to pump ions from the outside to the inside of a cell
turgor pressure
sodium potassium pump
community stability
positive tropic response
48. Camouflage
cryptic coloration
operant conditioning
external fertilization
metaphase
49. Any environmental source that tends to restrict the ecological niche of a species because it is scare or unfavorable
limited resource
gated channel
M phase
phototropism
50. Growth response to gravity & positive in stem & negative in roots
posterior pituitary
gravitropism
starch
ER lumen