Welcome to your Ecology & Env-2
1.
Second law of thermodynamics in ecosystem implies
2.
Ecological succession involves
3.
Farmer’s friend among ecosystem processes is
4.
Ecosystem stability is most closely linked with
5.
Increase in temperature generally
7.
Energy flow in ecosystem is
8.
Plants capture about what percentage of PAR?
9.
Which pyramid gives best picture of ecosystem functioning?
10.
Pyramid of biomass in aquatic ecosystem is
11.
Which increases decomposition most?
12.
Pyramid of numbers in tree ecosystem is
13.
Fragmentation in decomposition is mainly done by
14.
Mineralization refers to
15.
Saprophytes are excluded from pyramids because
16.
In terrestrial ecosystem, energy mainly flows through
17.
Which best explains low ecological efficiency?
18.
Standing crop refers to
19.
Which is NOT included in detritus?
20.
Ecological pyramids are also called
21.
Leaching involves movement of
22.
Decomposition is fastest when detritus is rich in
23.
Which slows decomposition most?
24.
Decomposition rate decreases under
25.
Lindeman’s 10% law applies to
27.
Which is NOT a climatic factor affecting decomposition?
28.
In aquatic ecosystem, major GFC flows through
29.
Pyramid of energy is always
31.
Succession is driven by changes in
32.
Humification results in formation of
33.
Productivity differs from standing crop because it measures
34.
Major fraction of energy in ecosystem is lost as
35.
Nutrient immobilization refers to
36.
One limitation of ecological pyramids is
37.
Reason for limited trophic levels is
38.
Standing crop is measured in terms of
39.
Which food chain dominates forest ecosystem?
40.
Pyramid that cannot be inverted is
41.
Catabolism in decomposition is mainly carried out by
42.
Sparrow eating insects acts as
43.
Sparrow eating seeds is a
44.
Deep sea hydrothermal ecosystem energy source is