Ecosystem(Patterns, Components; Productivity and Decomposition; Energy Flow; Pyramids of Number, Biomass, Energy) NEET Questions

Biology - Ecology and Environment

Ecosystem(Patterns, Components; Productivity and Decomposition; Energy Flow; Pyramids of Number, Biomass, Energy) MCQ Questions


7.
Which of the following is a decomposer?
A.
Fungi
B.
Grasshopper
C.
Lion
D.
Snake
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ANSWER :
A. Fungi
8.
The detritus food chain begins with
A.
Dead organic matter
B.
Producers
C.
Herbivores
D.
Carnivores
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ANSWER :
A. Dead organic matter
9.

The pyramid of biomass in a sea is

NEET - 2016

A.

Upright

B.

Always straight

C.

Inverted

D.

Spindle-shaped

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ANSWER :

C. Inverted

10.
Decomposition of detritus is faster when
A.
Moisture content is less
B.
Oxygen is available
C.
Temperature is low
D.
Detritus is dry
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ANSWER :
B. Oxygen is available
11.
The major reservoir of carbon is
A.
Oceans
B.
Atmosphere
C.
Forest
D.
Soil
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ANSWER :
B. Atmosphere
12.
In an ecosystem, the rate at which the producers synthesize organic substances is called
A.
Net productivity
B.
Secondary productivity
C.
Gross primary productivity
D.
Respiratory loss
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ANSWER :
C. Gross primary productivity