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131.

The rate of storage at consumer level is:

A.	Secondary productivity	B.	Tertiary productivity
C.	Both (a) & (b)	D.	Net productivity

132.

According to Lindemann, the percentage of net production passed on to carnivores is:

A.	28.6	B.	26.8
C.	22.6	D.	22.8

133.

In a sugarcane field the net productivity in terms of kg/m2/year, is:

A.	0.2-0.4	B.	2?4
C.	4?6	D.	0.6-0.8

134.

Sulphur is returned to the soil by:

A.	Producers only	B.	Producers and consumers
C.	Consumers and decomposers	D.	All of these

135.

The percentage of water bound in lithosphere and sedimentary rocks is:

A.	75	B.	65
C.	85	D.	95

136.

Which of the following serves as source of carbon in plants:

A.	CO2 of carbonic rocks	B.	Atmospheric CO2
C.	Fossil fuel	D.	All of the above

137.

Mark the correct statement with reference to phosphorous cycle:

A.	Inorganic phosphates are lost by leaching	B.	Ocean phosphates are lost by sedimentation
C.	Soluble phosphates are lost by erosion	D.	Soil has plenty of dissolved phosphates

138.

Which ecological cycle is directly driven by sunlight?

A.	Hydrologic	B.	Phosphorus
C.	Nitrogen	D.	Sulphur

139.

The SO2 is returned to the atomsphere by:

A.	Metabolism of producers	B.	Metabolism of consumers
C.	Both (a) & (b)	D.	Combustion of fuel

140.

According to Odum the light absorbed by the plant cover in terms of kcal/m2/day is:

A.	150	B.	1,500
C.	300	D.	3,000