1
Question
Match column I with column II, and choose the correct
combination from the options given below.
Column I
Column II
a.
Natural terrestrial ecosystem
1.
Crop fields
b.
Natural aquatic ecosystem
2.
Grasslands
c.
Man-made aquatic ecosystem
3.
Biosphere
d.
Man-made terrestrial ecosystem
4.
Aquarium
e.
Global ecosystem
5.
Estuary
Match column I with column II, and choose the correct
combination from the options given below.
| Column I | Column II | ||
| a. | Natural terrestrial ecosystem | 1. | Crop fields |
| b. | Natural aquatic ecosystem | 2. | Grasslands |
| c. | Man-made aquatic ecosystem | 3. | Biosphere |
| d. | Man-made terrestrial ecosystem | 4. | Aquarium |
| e. | Global ecosystem | 5. | Estuary |
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Solution
The correct option is C abcde25413
Natural terrestrial ecosystem - Grasslands
Grasslands are huge stretches of land in which the vegetation primarily consists of grasses. These are land-based ecosystems consisting of terrestrial plants and animals and their physical environment. Thus, grasslands are natural terrestrial ecosystems.
Natural aquatic ecosystem - estuary
An estuary is a coastal body of brackish water that is partially enclosed. One or more rivers or streams flow into it and it has a free connection to the open sea.
An estuary is a water-based ecosystem in which the major abiotic component is water and the biotic community is largely composed of aquatic plants and animals. Thus it is a natural aquatic ecosystem.
Man-made aquatic ecosystem - aquarium
An aquarium is an artificial man-made aquatic ecosystem designed to hold water, aquatic animals, and aquatic plants with artificial light sources and aeration. Thus it has all the components of a natural aquatic ecosystem in an artificial setting.
Man-made terrestrial ecosystem - Crop fields
A crop field ecosystem refers to an artificial ecosystem created by man, in which crops like wheat, maize, etc. are selected and seasonally grown on soil and harvested.
Global ecosystem - biosphere
All local ecosystems present on Earth together form a composite global ecosystem which is also known as the biosphere.
The earth is the only planet that possesses a biosphere where the biosphere exists.
Final answer
(D) a b c d e
2 5 4 1 3
Natural terrestrial ecosystem - Grasslands
Grasslands are huge stretches of land in which the vegetation primarily consists of grasses. These are land-based ecosystems consisting of terrestrial plants and animals and their physical environment. Thus, grasslands are natural terrestrial ecosystems.
Natural aquatic ecosystem - estuary
An estuary is a coastal body of brackish water that is partially enclosed. One or more rivers or streams flow into it and it has a free connection to the open sea.
An estuary is a water-based ecosystem in which the major abiotic component is water and the biotic community is largely composed of aquatic plants and animals. Thus it is a natural aquatic ecosystem.
Man-made aquatic ecosystem - aquarium
An aquarium is an artificial man-made aquatic ecosystem designed to hold water, aquatic animals, and aquatic plants with artificial light sources and aeration. Thus it has all the components of a natural aquatic ecosystem in an artificial setting.
Man-made terrestrial ecosystem - Crop fields
A crop field ecosystem refers to an artificial ecosystem created by man, in which crops like wheat, maize, etc. are selected and seasonally grown on soil and harvested.
Global ecosystem - biosphere
All local ecosystems present on Earth together form a composite global ecosystem which is also known as the biosphere.
The earth is the only planet that possesses a biosphere where the biosphere exists.
Final answer
(D) a b c d e
2 5 4 1 3
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