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


1.
Which of the following is the primary source of energy for an ecosystem?
A.
Carbohydrates
B.
ATP
C.
Sunlight
D.
Glucose
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ANSWER :
C. Sunlight
2.

Which ecological pyramid is always upright?

NEET - 2020

A.

Pyramid of biomass in sea

B.

Pyramid of number

C.

Pyramid of energy

D.

Pyramid of biomass in forest

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ANSWER :

C. Pyramid of energy

3.
Which of the following represents the correct sequence of energy flow in an ecosystem?
A.
Producers → Carnivores → Herbivores
B.
Carnivores → Herbivores → Producers
C.
Producers → Herbivores → Carnivores
D.
Herbivores → Producers → Carnivores
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ANSWER :
C. Producers → Herbivores → Carnivores
4.

Which ecosystem has the highest primary productivity?

NEET - 2018

A.

Desert

B.

Ocean

C.

Tropical rainforest

D.

Grassland

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ANSWER :

C. Tropical rainforest

5.

Gross primary productivity minus respiration loss is known as

NEET - 2021

A.

Net respiration

B.

Net primary productivity

C.

Secondary productivity

D.

Net biomass

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ANSWER :

B. Net primary productivity

6.
Which pyramid can never be inverted?
A.
Pyramid of biomass
B.
Pyramid of number
C.
Pyramid of energy
D.
All of these
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ANSWER :
C. Pyramid of energy