00. Ecosystem and its structure
Ecosystem

260191 Unit of land containing different ecosystems surrounded by natural boundaries is called

1 Biome
2 Landscape
3 Ecosphere
4 Ecosystem
Ecosystem

260192 Choose the correct choices that have a compound impact on ecosystem goods and services.
A. Participation in developing community garden
B. Use of artificial fertilizers
C. Natural pest control
D. Increase in consumption

1 $\mathrm{B}, \mathrm{D}$
2 $\mathrm{A}, \mathrm{C}$
3 $\mathrm{A}, \mathrm{D}$
4 $\mathrm{B}, \mathrm{C}$
Ecosystem

260194 Given below are two statements :
Statement I: Gause's 'Competitive Exclusion Principle' states that two closely related species competing for the same resources cannot co exist indefinitely and competitively inferior one will be eliminated eventually.
Statement II: In general, carnivores are more adversely affected by competition than herbivores.
In the light of the above statements, choose the correct answer from the options given below :

1 Statement I is incorrect but Statement II is true.
2 Both Statement I and Statement II are true.
3 Both Statement I and Statement II are false.
4 Statement I is correct but Statement II is false.
Ecosystem

260197 Number of wild life is continuously decreasing. What is the main reason of this : -

1 Predation
2 Cutting down of forest
3 Destruction of habitat
4 Hunting
Ecosystem

260191 Unit of land containing different ecosystems surrounded by natural boundaries is called

1 Biome
2 Landscape
3 Ecosphere
4 Ecosystem
Ecosystem

260192 Choose the correct choices that have a compound impact on ecosystem goods and services.
A. Participation in developing community garden
B. Use of artificial fertilizers
C. Natural pest control
D. Increase in consumption

1 $\mathrm{B}, \mathrm{D}$
2 $\mathrm{A}, \mathrm{C}$
3 $\mathrm{A}, \mathrm{D}$
4 $\mathrm{B}, \mathrm{C}$
Ecosystem

260194 Given below are two statements :
Statement I: Gause's 'Competitive Exclusion Principle' states that two closely related species competing for the same resources cannot co exist indefinitely and competitively inferior one will be eliminated eventually.
Statement II: In general, carnivores are more adversely affected by competition than herbivores.
In the light of the above statements, choose the correct answer from the options given below :

1 Statement I is incorrect but Statement II is true.
2 Both Statement I and Statement II are true.
3 Both Statement I and Statement II are false.
4 Statement I is correct but Statement II is false.
Ecosystem

260197 Number of wild life is continuously decreasing. What is the main reason of this : -

1 Predation
2 Cutting down of forest
3 Destruction of habitat
4 Hunting
Ecosystem

260191 Unit of land containing different ecosystems surrounded by natural boundaries is called

1 Biome
2 Landscape
3 Ecosphere
4 Ecosystem
Ecosystem

260192 Choose the correct choices that have a compound impact on ecosystem goods and services.
A. Participation in developing community garden
B. Use of artificial fertilizers
C. Natural pest control
D. Increase in consumption

1 $\mathrm{B}, \mathrm{D}$
2 $\mathrm{A}, \mathrm{C}$
3 $\mathrm{A}, \mathrm{D}$
4 $\mathrm{B}, \mathrm{C}$
Ecosystem

260194 Given below are two statements :
Statement I: Gause's 'Competitive Exclusion Principle' states that two closely related species competing for the same resources cannot co exist indefinitely and competitively inferior one will be eliminated eventually.
Statement II: In general, carnivores are more adversely affected by competition than herbivores.
In the light of the above statements, choose the correct answer from the options given below :

1 Statement I is incorrect but Statement II is true.
2 Both Statement I and Statement II are true.
3 Both Statement I and Statement II are false.
4 Statement I is correct but Statement II is false.
Ecosystem

260197 Number of wild life is continuously decreasing. What is the main reason of this : -

1 Predation
2 Cutting down of forest
3 Destruction of habitat
4 Hunting
Ecosystem

260191 Unit of land containing different ecosystems surrounded by natural boundaries is called

1 Biome
2 Landscape
3 Ecosphere
4 Ecosystem
Ecosystem

260192 Choose the correct choices that have a compound impact on ecosystem goods and services.
A. Participation in developing community garden
B. Use of artificial fertilizers
C. Natural pest control
D. Increase in consumption

1 $\mathrm{B}, \mathrm{D}$
2 $\mathrm{A}, \mathrm{C}$
3 $\mathrm{A}, \mathrm{D}$
4 $\mathrm{B}, \mathrm{C}$
Ecosystem

260194 Given below are two statements :
Statement I: Gause's 'Competitive Exclusion Principle' states that two closely related species competing for the same resources cannot co exist indefinitely and competitively inferior one will be eliminated eventually.
Statement II: In general, carnivores are more adversely affected by competition than herbivores.
In the light of the above statements, choose the correct answer from the options given below :

1 Statement I is incorrect but Statement II is true.
2 Both Statement I and Statement II are true.
3 Both Statement I and Statement II are false.
4 Statement I is correct but Statement II is false.
Ecosystem

260197 Number of wild life is continuously decreasing. What is the main reason of this : -

1 Predation
2 Cutting down of forest
3 Destruction of habitat
4 Hunting