Environment Science GK Questions
What is included in the biomass?
(A) producer
(B) Consumer
(C) decomposers
(D) all living beings
Correct Answer : D
What is the source of energy in an ecosystem?
(A) Transformation
(B) construction
(C) stabilization
(D) destruction
Correct Answer : A
Green plants convert sunlight into what?
(A) mechanical energy
(B) chemical energy
(C) physical energy
(D) electrical energy
Correct Answer : B
How does the energy flow in the ecosystem always?
(A) quadrilateral
(B) one directional
(C) Tridirectional
(D) bidirectional
Correct Answer : B
How do various chemical elements flow in an ecosystem?
(A) one directional
(B) vertical
(C) cyclic
(D) Horizontal
Correct Answer : C
At what level does energy always flow in an ecosystem?
(A) from high level to low level
(B) from a high level to a very high level
(C) from low level to high level
(D) to the same level
Correct Answer : A
How much energy is transferred from plants to herbivores?
(A) 10%
(B) 20%
(C) 30%
(D) 1%
Correct Answer : A
Explanation :
Green plants receive energy from the sun but can use only 1% of that for photosynthesis. The herbivore animals in the second trophic level can get only 10% of the total energy from plants.
What is the loss of energy in the ecosystem?
(A) stabilization
(B) pollution
(C) conversion
(D) renewal
Correct Answer : C
What is the major source of energy in an ecosystem?
(A) ground temperature
(B) Surya
(C) Green house gases
(D) Moon
Correct Answer : B
Which is the non-conventional source of energy?
(A) Petroleum
(B) Coal
(C) Solar radiation
(D) Electricity of nuclear power generating stations
Correct Answer : C
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Rajesh Bhatia
A Writer, Teacher and GK Expert. I am an M.A. & M.Ed. in English Literature and Political Science. I am highly keen and passionate about reading Indian History. Also, I like to mentor students about how to prepare for a competitive examination. Share your concerns with me by comment box. Also, you can ask anything at linkedin.com/in/rajesh-bhatia-7395a015b/.
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