Welcome to your Ecology and Environment
1.
Which biome shows the highest species diversity?
2.
Which process does NOT occur during ecological succession?
3.
The primary producer in a deep-sea hydrothermal vent ecosystem is:
4.
In an ecosystem energy flow is:
5.
Which is the pioneer species in xerarch succession?
6.
The pyramid of biomass is always inverted in:
7.
Eutrophication is mainly caused by excessive:
8.
Which gas has the highest global warming potential?
9.
Ozone depletion results in an increase in:
10.
Which species concept is based on reproductive isolation?
11.
Greenhouse effect is mainly due to absorption of:
12.
Biomagnification is highest in which organism?
13.
The thick mat of humus in forests is called:
14.
Stratification in forests is due to variation in:
15.
Carrying capacity is the:
16.
In an ecological pyramid, the narrowest top represents:
17.
The main source of sulphur in acid rain is:
18.
Which ecological niche concept was proposed by Gause?
19.
The cleanest and most stable freshwater ecosystem is:
20.
Which biome contains permafrost?
21.
A keystone species is one that:
22.
The edge effect is common in:
23.
The lion in a grassland ecosystem is a:
24.
Which chemical reduces ozone into oxygen?
25.
Which is not a density-dependent factor?
26.
In an ecosystem, mineral cycling is:
27.
Primary productivity is highest in:
28.
Ramsar sites protect:
29.
Which one is an r-selected species?
30.
The main reason for biodiversity loss today is:
31.
Deforestation and urbanization eliminate habitats leading to major extinctions.
32.
Maximum energy in an ecosystem is stored in:
33.
Which interaction is (+,0)?
34.
Standing crop refers to:
35.
Which pollutant causes blue baby syndrome?
36.
Ecological footprint measures:
37.
Pioneer communities in hydrarch succession are:
38.
Biological magnification does NOT occur with:
39.
Which biome has the lowest annual rainfall?
40.
Niche overlap between species leads to:
41.
Which organism is a detritivore?
42.
In an ecosystem, the rate at which energy is stored by producers is:
43.
The term “hotspots of biodiversity” was given by:
44.
Which species acts as a natural indicator of air pollution?
45.
The deepest, coldest and nutrient-poor region of a lake is:
