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Energy Environment Management
Energy Management Objective
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Q.1
Why is a food web more realistic way of portraying an ecosystem than a food chain?
a) Because it shows the relation of organisms with each other in a habitat
b) Because food chains use only a small sampling of organisms
c) Because it doesn’t shows the relation of organisms with each other in a habitat
d) Because it compares the number of consumers to the number of micro-organisms.
Q.2
What is called for an organism that helps to define an entire ecosystem?
a) Super species
b) Keystone species
c) Dominant species
d) Precious species
Q.3
What is called for the diagram that shows how food chain linked together into more complex feeding relationship?
a) Food web
b) Food chain
c) Food circle
d) Food triangle
Q.4
Which of the following condition is true for food web?
a) A food web only follows just one path
b) A food web ends with a producer
c) A food web starts with a consumer
d) A food web shoes many paths plants and animals connected.
Q.5
Which one of the following is the major difference between food web and food chain?
a) Food chain and food web are linear pathway
b) Food chain and food web are interconnected pathway
c) Food chain is a single linear pathway and food web is interconnected pathway
d) Food chain is interconnected pathway through which food web is single linear pathway
Q.6
Food webs derive their energy from sunlight.
a) True
b) False
Q.7
In which of the following we can have more than one source of organisms for energy?
a) Food chain
b) Food web
c) Food circle
d) Food rotation
Q.8
Which of the following is the highest trophic level organism in grassland food web?
a) Grass
b) Grasshopper
c) Lizard
d) Hawk
Q.9
Which of the following is correct order of food web for aquatic food web?
a) Diatoms->pteropods->lantern fish->squid->marlin
b) Diatoms->lantern fish->squid->marlin->pteropods
c) Lantern fish-> diatoms-> squid-> marlin->pteropods
d) Lantern fish-> diatoms-> squid-> pteropods-> marlin
Q.10
Why large sharks remain in the highest trophic level in the aquatic food web?
a) Because large sharks are predators
b) Because large sharks are top predators
c) Because large sharks are phytoplankton
d) Because large sharks are zooplankton
Q.11
Why detritivores are considered at the zero level in the food web?
a) Because it eats only producers
b) Because it eats only consumers
c) Because it eats producers as well as consumers
d) Because it do not eat producers as well as consumers
Q.12
Why lions are apex predators in grassland ecosystem?
a) Because lion do not eat other organisms
b) Because no other animal hunt lion for food
c) Because lion is the king of the jungle
d) Because lion is a herbivore animal
Q.13
“Trees produce acorns which acts as food for many insects and mice” is an example of__________________
a) Food chain
b) Food cycle
c) Food web
d) Food rotation
Q.14
Food webs are more stable than food chains.
a) True
b) False
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