Multiple Choice Questions (MCQ) with Answers on Ecosystems
Multiple Choice Questions (MCQ) on Ecosystems
1-A single bacterium in the soil interacts with
(A) The water
(B) Air
(C) Particles of soil around it
(D) All of the above
2-The region of earth, where life exists is known as
(A) Atmosphere
(B) Biosphere
(C) Lithosphere
(D) Hydrosphere
3-In the biosphere energy is received from
(A) The Sun
(B) The interior of the earth
(C) Both (A) and (B)
(D) Work
4-The Biosphere consists of the following
(A) Lakes
(B) Soils
(C) Solid sediments
(D) All of the above
5-In which of the following form(s), the waster products are discharged into the biosphere?
(A) Gaseous
(B) Liquid
(C) Solid
(D) All of the above
6-Ecosystem is smallest unit of
(A) Ionosphere
(B) Lithosphere
(C) Biosphere
(D) Mesosphere
7-Energy _____ in an Ecosystem.
(A) is released
(B) is absorbed
(C) flows
(D) None of the above
8-The set of ecosystems is called a
(A) Biome
(B) Climate
(C) Subsystem
(D) Structure
9-The following is an example of Terrestrial Biome
(A) Tropical rain forest
(B) Rivers
(C) Streams
(D) All of the above
10-Terrestrial biomes has a rapid exchange of
(A) Carbon dioxide
(B) Oxygen
(C) Water
(D) All of the above
ANSWERS:
1-(D), 2-(B), 3-(C), 4-(D), 5-(D), 6-(C), 7-(C), 8-(A), 9-(A), 10-(D)