WorksheetsScience 20 Questions
Total questions: 20
Worksheet time: 10mins
True Or False
The outer planets are small,rocky planets with iron cores
True
False
True or False
Photosynthesis stores energy?
True
False
True or false
Fruits that are picked green will never ripen
True
False
MIstakes can happen during replication of genes.
CLIMATE
DNA
75%
____ humidity is a measure of the amount of water vapor that air is holding compared to the amount needed for saturation at a specific tempature
Total
partial
relative
none of above
photosythesis is the process in which plants use energy from light to produce______-
new cells
food
organelles
none of above
Which of the following is not a chromosome?
protiens
cell
acid
dna
the tempature at which air is saturated and condensation forms in the ____________-
dew point
rain point
wind point
relative humidity
the venus flytrap will close its trap when touched.what is the repsonse called
Gravitropism
envirnmentaltropism
phototropism
thigmotropism
To Keep track of hig and low pressure areaś, weather maps are drawn wit lines connecting points of equal atmospheric pressure.these lines are called?
isotherns
equibars
fronts
isobars
protiens are made with the help of
DNA
RNA
PNA
MNA
the most powerful severe storm is the
thunderstorm
tornado
hurricane
front
which of following is NOT an external cause of mutation
exposure to X-rays
exposures to ultraviolent light
exposure to neon light
exposure to radioactive materials
in corss between two pea plants, the offspring are
50 smooth 50 wrinkled
100 smooth
75 wrinkled 25 smooth
75 smooth 25 wrinkled
how does the atmosphere protect life on earth?
maintain tempature
absorb radiation
burns up meteriod
all of above
as much as 90 percent of the oxygen in our atmosphere is th result of
photoperiodism
respiration
thigmotropism
photosynthesis
plants require short nights to fower are called____plants
long day
short day
day neutral
periodic
a recessive trait is observed when _recessive genetic factor are present in offspring
0
1
2
3
cellur respiration takes place in the cells of most organisms
true
false
C6H12O6 and 602 are the start if phtotsynthesis
true
false
