Welcome to your Ecology & Env-3
1.
Reservoir in gaseous cycle is mainly
2.
Phosphate solubilising bacteria help by
3.
Pioneer species on rocks are
4.
Which is a sedimentary cycle?
5.
Secondary succession differs from primary because
6.
Primary succession on lava is slow due to
7.
Which is not a seral stage?
8.
In climax stage, species diversity is
9.
Which cycle lacks atmospheric phase?
10.
Which ecosystem has fastest succession?
11.
Xerarch succession leads finally to
12.
Which factor slows primary succession most?
13.
Which organism initiates soil formation?
14.
Which ecosystem service has highest economic value?
15.
In climax, energy flow is
16.
Phosphorus enters plants via
17.
Which ecosystem shows least nutrient loss?
18.
First stage of primary succession in water is
20.
Carbon enters biotic phase mainly through
21.
Decomposition rate is highest in
22.
Which component increases during succession?
23.
Lichens are association of
24.
Reed-swamp stage is dominated by
25.
Which process links succession and evolution?
26.
In xerarch succession, first plants are
27.
Hydrarch succession begins in which condition?
28.
Which feature best distinguishes climax community from seral stages?
29.
Carbon cycle disruption mainly due to
30.
Nitrogen cycle reservoir includes
31.
Which parameter declines in climax?
32.
Which stage has maximum net primary productivity?
33.
Which stage shows highest competition?
34.
71% of global carbon is stored in
35.
In secondary succession, pioneer plants are
36.
Which animal group changes most with vegetation change?
37.
Primary succession time scale is
38.
Which increases from pioneer to climax?
39.
Climax forest persists because of
40.
Nutrient cycling is also called
41.
Standing state refers to
42.
Decomposers increase during succession because of
43.
Ecosystem services include
44.
Succession direction is generally
45.
Correct order of hydrarch succession is