04. Ecological Succession
Ecosystem

260305 Match List -I with List -II.
| | List - I | | List -II |
| :--- | :--- | :--- | :--- |
| (A) | Hydrarch
succession | (I) | Gradual change
lin the species |
| (B) | Xerarch
succession | (II) | Fomposition
climax reand |
| (C) | Ecological
successions | (III) | quickly
Lichens to mesis
conditions |
| (D) | Secondary
succession | (IV) | Phytoplankton
to mesic
conditions |
Choose the correct answer from the options given below:

1 (A) - (I), (B) - (IV), (C) - (II), (D)- (III)
2 (A)- (IV), (B)- (III), (C)- (I), (D)- (II)
3 (A)- (IV), (B)- (II), (C)- (III), (D)-(I)
4 (A) - (III), (B)- (I), (C)- (IV), (D)-(II)
Ecosystem

260314 The region of Biosphere Reserve which is legally protected and where no human activity is allowed is known as

1 Core zone
2 Buffer zone
3 Transition zone
4 Restoration zone
Ecosystem

260323 Match the following?
| Column I | | Column II | |
| :--- | :--- | :--- | :--- |
| A. | Predictable change
in
composition | i. | Equilibrium |
| B. | Climax community | ii. | Seral stages |
| C. | Entire sequence
community | iii. | Ecological
succession |
| D. | Transitional
community | iv. | Sere |
| | | v. | Succession |
Options:

1 A = i; B = V; C = iii; D = ii
2 A = iii; B = i; C = iv; D = ii
3 A = ii; B = iii; C = V; D = iv
4 A = iv; B = V; C = ii; D = i
Ecosystem

260327 Assertion (A) : A primary succession is more common than secondary succession
Reason (R) : Biogeochemical cycling is absent in secondary succession

1 Both $\mathrm{A}$ and $\mathrm{R}$ are correct and $\mathrm{R}$ is the correct explanation for $\mathrm{A}$
2 Both $\mathrm{A}$ and $\mathrm{R}$ are correct and $\mathrm{R}$ is not correct explanation for $\mathrm{A}$
3 $\mathrm{A}$ is correct but $\mathrm{R}$ is wrong
4 Both $A$ and $R$ are not correct
Ecosystem

260331 Choose the incorrect statements.

1 A, B
2 B, D
3 C, D
4 A, C
Ecosystem

260305 Match List -I with List -II.
| | List - I | | List -II |
| :--- | :--- | :--- | :--- |
| (A) | Hydrarch
succession | (I) | Gradual change
lin the species |
| (B) | Xerarch
succession | (II) | Fomposition
climax reand |
| (C) | Ecological
successions | (III) | quickly
Lichens to mesis
conditions |
| (D) | Secondary
succession | (IV) | Phytoplankton
to mesic
conditions |
Choose the correct answer from the options given below:

1 (A) - (I), (B) - (IV), (C) - (II), (D)- (III)
2 (A)- (IV), (B)- (III), (C)- (I), (D)- (II)
3 (A)- (IV), (B)- (II), (C)- (III), (D)-(I)
4 (A) - (III), (B)- (I), (C)- (IV), (D)-(II)
Ecosystem

260314 The region of Biosphere Reserve which is legally protected and where no human activity is allowed is known as

1 Core zone
2 Buffer zone
3 Transition zone
4 Restoration zone
Ecosystem

260323 Match the following?
| Column I | | Column II | |
| :--- | :--- | :--- | :--- |
| A. | Predictable change
in
composition | i. | Equilibrium |
| B. | Climax community | ii. | Seral stages |
| C. | Entire sequence
community | iii. | Ecological
succession |
| D. | Transitional
community | iv. | Sere |
| | | v. | Succession |
Options:

1 A = i; B = V; C = iii; D = ii
2 A = iii; B = i; C = iv; D = ii
3 A = ii; B = iii; C = V; D = iv
4 A = iv; B = V; C = ii; D = i
Ecosystem

260327 Assertion (A) : A primary succession is more common than secondary succession
Reason (R) : Biogeochemical cycling is absent in secondary succession

1 Both $\mathrm{A}$ and $\mathrm{R}$ are correct and $\mathrm{R}$ is the correct explanation for $\mathrm{A}$
2 Both $\mathrm{A}$ and $\mathrm{R}$ are correct and $\mathrm{R}$ is not correct explanation for $\mathrm{A}$
3 $\mathrm{A}$ is correct but $\mathrm{R}$ is wrong
4 Both $A$ and $R$ are not correct
Ecosystem

260331 Choose the incorrect statements.

1 A, B
2 B, D
3 C, D
4 A, C
Ecosystem

260305 Match List -I with List -II.
| | List - I | | List -II |
| :--- | :--- | :--- | :--- |
| (A) | Hydrarch
succession | (I) | Gradual change
lin the species |
| (B) | Xerarch
succession | (II) | Fomposition
climax reand |
| (C) | Ecological
successions | (III) | quickly
Lichens to mesis
conditions |
| (D) | Secondary
succession | (IV) | Phytoplankton
to mesic
conditions |
Choose the correct answer from the options given below:

1 (A) - (I), (B) - (IV), (C) - (II), (D)- (III)
2 (A)- (IV), (B)- (III), (C)- (I), (D)- (II)
3 (A)- (IV), (B)- (II), (C)- (III), (D)-(I)
4 (A) - (III), (B)- (I), (C)- (IV), (D)-(II)
Ecosystem

260314 The region of Biosphere Reserve which is legally protected and where no human activity is allowed is known as

1 Core zone
2 Buffer zone
3 Transition zone
4 Restoration zone
Ecosystem

260323 Match the following?
| Column I | | Column II | |
| :--- | :--- | :--- | :--- |
| A. | Predictable change
in
composition | i. | Equilibrium |
| B. | Climax community | ii. | Seral stages |
| C. | Entire sequence
community | iii. | Ecological
succession |
| D. | Transitional
community | iv. | Sere |
| | | v. | Succession |
Options:

1 A = i; B = V; C = iii; D = ii
2 A = iii; B = i; C = iv; D = ii
3 A = ii; B = iii; C = V; D = iv
4 A = iv; B = V; C = ii; D = i
Ecosystem

260327 Assertion (A) : A primary succession is more common than secondary succession
Reason (R) : Biogeochemical cycling is absent in secondary succession

1 Both $\mathrm{A}$ and $\mathrm{R}$ are correct and $\mathrm{R}$ is the correct explanation for $\mathrm{A}$
2 Both $\mathrm{A}$ and $\mathrm{R}$ are correct and $\mathrm{R}$ is not correct explanation for $\mathrm{A}$
3 $\mathrm{A}$ is correct but $\mathrm{R}$ is wrong
4 Both $A$ and $R$ are not correct
Ecosystem

260331 Choose the incorrect statements.

1 A, B
2 B, D
3 C, D
4 A, C
Ecosystem

260305 Match List -I with List -II.
| | List - I | | List -II |
| :--- | :--- | :--- | :--- |
| (A) | Hydrarch
succession | (I) | Gradual change
lin the species |
| (B) | Xerarch
succession | (II) | Fomposition
climax reand |
| (C) | Ecological
successions | (III) | quickly
Lichens to mesis
conditions |
| (D) | Secondary
succession | (IV) | Phytoplankton
to mesic
conditions |
Choose the correct answer from the options given below:

1 (A) - (I), (B) - (IV), (C) - (II), (D)- (III)
2 (A)- (IV), (B)- (III), (C)- (I), (D)- (II)
3 (A)- (IV), (B)- (II), (C)- (III), (D)-(I)
4 (A) - (III), (B)- (I), (C)- (IV), (D)-(II)
Ecosystem

260314 The region of Biosphere Reserve which is legally protected and where no human activity is allowed is known as

1 Core zone
2 Buffer zone
3 Transition zone
4 Restoration zone
Ecosystem

260323 Match the following?
| Column I | | Column II | |
| :--- | :--- | :--- | :--- |
| A. | Predictable change
in
composition | i. | Equilibrium |
| B. | Climax community | ii. | Seral stages |
| C. | Entire sequence
community | iii. | Ecological
succession |
| D. | Transitional
community | iv. | Sere |
| | | v. | Succession |
Options:

1 A = i; B = V; C = iii; D = ii
2 A = iii; B = i; C = iv; D = ii
3 A = ii; B = iii; C = V; D = iv
4 A = iv; B = V; C = ii; D = i
Ecosystem

260327 Assertion (A) : A primary succession is more common than secondary succession
Reason (R) : Biogeochemical cycling is absent in secondary succession

1 Both $\mathrm{A}$ and $\mathrm{R}$ are correct and $\mathrm{R}$ is the correct explanation for $\mathrm{A}$
2 Both $\mathrm{A}$ and $\mathrm{R}$ are correct and $\mathrm{R}$ is not correct explanation for $\mathrm{A}$
3 $\mathrm{A}$ is correct but $\mathrm{R}$ is wrong
4 Both $A$ and $R$ are not correct
Ecosystem

260331 Choose the incorrect statements.

1 A, B
2 B, D
3 C, D
4 A, C
Ecosystem

260305 Match List -I with List -II.
| | List - I | | List -II |
| :--- | :--- | :--- | :--- |
| (A) | Hydrarch
succession | (I) | Gradual change
lin the species |
| (B) | Xerarch
succession | (II) | Fomposition
climax reand |
| (C) | Ecological
successions | (III) | quickly
Lichens to mesis
conditions |
| (D) | Secondary
succession | (IV) | Phytoplankton
to mesic
conditions |
Choose the correct answer from the options given below:

1 (A) - (I), (B) - (IV), (C) - (II), (D)- (III)
2 (A)- (IV), (B)- (III), (C)- (I), (D)- (II)
3 (A)- (IV), (B)- (II), (C)- (III), (D)-(I)
4 (A) - (III), (B)- (I), (C)- (IV), (D)-(II)
Ecosystem

260314 The region of Biosphere Reserve which is legally protected and where no human activity is allowed is known as

1 Core zone
2 Buffer zone
3 Transition zone
4 Restoration zone
Ecosystem

260323 Match the following?
| Column I | | Column II | |
| :--- | :--- | :--- | :--- |
| A. | Predictable change
in
composition | i. | Equilibrium |
| B. | Climax community | ii. | Seral stages |
| C. | Entire sequence
community | iii. | Ecological
succession |
| D. | Transitional
community | iv. | Sere |
| | | v. | Succession |
Options:

1 A = i; B = V; C = iii; D = ii
2 A = iii; B = i; C = iv; D = ii
3 A = ii; B = iii; C = V; D = iv
4 A = iv; B = V; C = ii; D = i
Ecosystem

260327 Assertion (A) : A primary succession is more common than secondary succession
Reason (R) : Biogeochemical cycling is absent in secondary succession

1 Both $\mathrm{A}$ and $\mathrm{R}$ are correct and $\mathrm{R}$ is the correct explanation for $\mathrm{A}$
2 Both $\mathrm{A}$ and $\mathrm{R}$ are correct and $\mathrm{R}$ is not correct explanation for $\mathrm{A}$
3 $\mathrm{A}$ is correct but $\mathrm{R}$ is wrong
4 Both $A$ and $R$ are not correct
Ecosystem

260331 Choose the incorrect statements.

1 A, B
2 B, D
3 C, D
4 A, C