WorksheetsModule 1 -Quiz
Total questions: 25
Worksheet time: 13mins
Which of the following BEST describes a community?
A group of one species living in an area.
All of a species living in an area.
All the living and non living factors in an ecosystem.
All of the above
Which of the following is a biotic factor?
Dead leaf
pH
Rain
Oxygen
Which ecological level consists of all the ecosystems found on Earth?
Community
Biosphere
Population
Organism
Cyclic photophosphorylation occurs in .............
PS I only.
PS II only.
Both PS I and PS II.
electron carriers.
Photolysis occurs in ......
PS I
PS II
Cytochrome
ferredoxin
Short wavelengths of light are absorb by ...
chlorophyll a and b.
cytochrome.
carotenoids.
ferredoxin.
What is the name of the enzyme that is used in the Calvin cycle?
ribulose
triose phosphate
ribulose bisphosphate carboxylase
phosphoglyceric acid
In the light independent stage of photosynthesis energy is obtain from .....
ATP and oxidize NADP
ATP and reduce NADP
sunlight
ribulose
The electrons lost from chlorophyll a in the reaction centre in PS II are replaced by electrons from:
reduced NADP
PS I
hydroxyl ions from water
hydrogen ions from water
The products of non- cyclic photophosphorylation during the light-dependent reactions of photosynthesis are:
glucose, reduced NADP and ATP.
ATP, oxygen and reduced NADP.
ADP, carbon dioxide and RuBP.
hydrogen ions, oxygen and ATP.
The light dependent stage of photosynthesis occurs in the ...........
stroma.
inner membrane space.
thylakoid.
matrix.
Phosphorylation of glucose and fructose-6-phosphate is glycolysis produces.........
ADP.
ATP.
reduced NAD.
oxidise NAD.
The electron transport chain and oxidative phosphorylation occurs in the ......
matrix.
cytosol.
inner membrane space.
cristae.
The molecule that releases the largest amount of energy is known as ........
pyruvate
reduced NAD
oxidise NAD
FAD
When pyruvate enters the matrix it is converted to acetyl CoA via ...........
oxidative decarboxylation
oxygen
ATP
malate
The intermediate formed in during the fermentation in yeast is caused by ..........
reduced NAD.
decarboxylase.
dehydrogenase.
oxidized NAD.
Reduced NAD made during glycolysis is generated by:
phosphorylation of ADP
isomerisation
oxidation of glyceraldehyde-3-phosphate
ATP molecule
Which of the following enters and leaves the mitochondrion during anaerobic respiration?
reduced NAD enters and phosphate leaves.
ATP enters and NAD leaves.
pyruvate enters and ADP leaves.
oxygen enters and water leaves.
Earthworms and woodlice are examples of....
apex predators.
saprophytes.
decomposers.
detritivores.
The pyramid(s) that can be inverted is/are ......
number only.
biomass and energy
energy only
number and biomass
Which of the pyramids can be used to measure the productivity within an ecosystem?
number
dry biomass
wet biomass
energy
What is the most common way that nitrogen fixation occurs?
Lightning
Haber process
nitrogen fixation.
Ammonification.
Which of the following is an example of symbiotic relation?
snake and frog
lion and deer
epiphytes on a tree.
mosquito and spider
Variation of frogs in an ecosystem is an example of ......
ecosystem diversity.
biological diversity.
species density.
genetic diversity.
A factor that affects predation is .......
speed
wind
water pH
soil
