91.  

In the given pyramid of energy which of the following can be placed in first trophic level ?

A. Decomposer

B. plants

C. a & b Both

D. None

Answer : Option C

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92.  

X is structaral unit of economy and y is structra unit of x then ... what is the x and the y ?
X              Y

A. Biotic community - Biomass, Abiotic factor

B. Ecosystem - Biomass,Biotic factor

C. Biomass - Ecosystem

D. Food web - Ecosystem

Answer : Option B

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93.  

X is maintained by man, but it is harmful to y ,the x and y are (?)
X                    Y

A. Natural eco-system - Man made ecosystem

B. Man made ecosystem - Natural eco-system

C. Any one from a & b

D. None of these

Answer : Option B

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94.  

X is included in environmental factors; y is included in ediphic ( soil related) then the x & y is....
X               Y

A. Air Water

B. Water Air

C. Soil Light

D. Wind Air

Answer : Option D

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95.  In material cycle which of the following is last acceptor of material ?

A. Producer

B. Consumer

C. Decomposer

D. Is not possing

Answer : Option D

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96.  Which one is the maximum suitable to from top of the energy pyraimd ?

A. Therdary consumer

B. Secondary consumer

C. Producers

D. None of this

Answer : Option A

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97.  Which component are basic in maintaing body processes?

A. Carbohydrate

B. Water

C. Energy

D. All of this

Answer : Option D

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98.  What is mycorhizer ?

A. Root + Fungi = Symbioti

B. Root+ bacteria = Symbiotic

C. fungi +Root = Parasitism

D. Fungi +leaf = Parasitism

Answer : Option A

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99.  It is key- compound for all living organism ?

A. Sulphar

B. Phosphures

C. Nitrogen

D. Calcium

Answer : Option B

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100.  What is obtained by the activity of decomposer for the prodneers ?

A. Nutrient

B. Carbohydrate

C. Food

D. Energy

Answer : Option A

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