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111.

In a parasitic food chain which trophic level is represented by bugs and lices?

A.	T4	B.	T3
C.	T2	D.	T1

112.

The taiga ecosystems lie in the:

A.	Alpine zone	B.	Sub-alpine aone
C.	Temperate zone	D.	Sub-tropical zone

113.

The pyramid of number in a forest ecosystem is:

A.	Rhombiodal	B.	Upright
C.	Inverted	D.	Linear

114.

The biotic and abiotic components of the ecosystem are connected through:

A.	Standing quality	B.	Climatic regime
C.	Transducers	D.	Humification and mineralization

115.

The pyramid of biomass in a shallow pond ecosystem is:

A.	Inverted	B.	Upright
C.	Rhomboidal	D.	Liver

116.

The flow of materials and energy in an ecosystem is respectively:

A.	Cyclic only	B.	Cyclic and linear
C.	Linear and cyclic	D.	Linear only

117.

The cybernatics of an ecosystem refers to:

A.	Harvest index	B.	A feed back mechanism
C.	Regulation of equilibrium	D.	Reverse energy flow

118.

The pyramid of biomass in a forest ecosystem is:

A.	Upright	B.	Inverted
C.	Rhomboidal	D.	Linear

119.

According to Lindemann, the total solar input in terms of gcal/cm2/year is:

A.	112,887	B.	118,872
C.	181,872	D.	112,788

120.

The efficiency of primary production in an ocean is:

A.	5%	B.	3.50%
C.	1%	D.	0.20%