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Worksheets6th Life Science Assessment (Pre-Test)
Total questions: 10
Worksheet time: 8mins
Name
Class
Date
1.
What is the original source of almost all energy in most ecosystems?
a)
carbohydrates
b)
sunlight
c)
water
d)
carbon
2.
Which of the following is the correct equation for PHOTOSYNTHESIS?
a)
CO2 + light + H2O --> O2 + Sugar
b)
CO2 + sugar + H2O --> O2 + light
c)
O2 + light + H2O --> CO2 + Sugar
d)
CO2 + O2 + H2O --> Light+ Sugar
3.
The build up of nutrients in a lake is a process called ________________.
a)
eutrophication
b)
volcanic eruption
c)
algae buildup
d)
pond death
4.
In the energy pyramid here, which organisms have the most energy available?
a)
Producers
b)
Carnivores
c)
Herbivores
d)
Top Predator
5.
What type of symbiosis? Hummingbirds feed on nectar from flowers. The flowers are pollinated by hummingbirds as they move from flower to flower.
a)
commensalism
b)
mutualism
c)
parasitism
d)
predation
6.
“Powerhouse” of the cell, breaks food down into energy for the cell
a)
Vacuole
b)
Chloroplast
c)
Nucleus
d)
Mitochondria
7.
Which phase of mitosis is seen in the picture?
a)
Cytokinesis
b)
Interphase
c)
Anaphase
d)
Metaphase
8.
What ratio of the offspring from the cross shown will be homozygous recessive for the trait of tallness?
a)
0 in 4
b)
1 in 4
c)
2 in 4
d)
4 in 4
9.
In a DNA strand, Guanine bonds with ______________.
a)
Adenine
b)
Guanine
c)
Cytosine
d)
Thymine
10.
Which biome contains large populations of grazing herbivores, few species of birds, and deep, rich soil?
a)
taiga
b)
tundra
c)
deciduous forest
d)
grassland
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