Ecological Succession
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BIOXII14: ECOSYSTEM

344547 During the process of ecological succession the changes that take place in communities are:

1 Orderly and sequential
2 Random
3 Very quick
4 Not influenced by the physical environment.
NCERT Exemplar
BIOXII14: ECOSYSTEM

344548 Statement A :
The establishment of a new biotic community is generally fast.
Statement B :
Before a biotic community of diverse organisms can become established, there must be soil.

1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both statements are correct.
4 Both Statements are incorrect.
BIOXII14: ECOSYSTEM

344549 Statement A :
Community that is in near equilibrium with the environment is called a climax community.
Statement B :
The gradual and fairly predictable change in the species composition of a given area is called ecological succession.

1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both statements are correct.
4 Both Statements are incorrect.
BIOXII14: ECOSYSTEM

344550 Arrange various stages of primary succession in a newly formed fresh water pond are given
(1) Scrub stage
(2) Sub merged free floating plant stage
(3) Marsh meadow stage
(4) Reed swamp stage
(5) Phytoplanktons
(6) Submerged plant stage
(7) Forest

1 5, 6, 2, 3, 4, 1, 7
2 5, 2, 6, 4, 3, 1, 7
3 5, 6, 2, 4, 3, 1, 7
4 1, 2, 3, 4, 2, 1, 7
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BIOXII14: ECOSYSTEM

344547 During the process of ecological succession the changes that take place in communities are:

1 Orderly and sequential
2 Random
3 Very quick
4 Not influenced by the physical environment.
NCERT Exemplar
BIOXII14: ECOSYSTEM

344548 Statement A :
The establishment of a new biotic community is generally fast.
Statement B :
Before a biotic community of diverse organisms can become established, there must be soil.

1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both statements are correct.
4 Both Statements are incorrect.
BIOXII14: ECOSYSTEM

344549 Statement A :
Community that is in near equilibrium with the environment is called a climax community.
Statement B :
The gradual and fairly predictable change in the species composition of a given area is called ecological succession.

1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both statements are correct.
4 Both Statements are incorrect.
BIOXII14: ECOSYSTEM

344550 Arrange various stages of primary succession in a newly formed fresh water pond are given
(1) Scrub stage
(2) Sub merged free floating plant stage
(3) Marsh meadow stage
(4) Reed swamp stage
(5) Phytoplanktons
(6) Submerged plant stage
(7) Forest

1 5, 6, 2, 3, 4, 1, 7
2 5, 2, 6, 4, 3, 1, 7
3 5, 6, 2, 4, 3, 1, 7
4 1, 2, 3, 4, 2, 1, 7
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BIOXII14: ECOSYSTEM

344547 During the process of ecological succession the changes that take place in communities are:

1 Orderly and sequential
2 Random
3 Very quick
4 Not influenced by the physical environment.
NCERT Exemplar
BIOXII14: ECOSYSTEM

344548 Statement A :
The establishment of a new biotic community is generally fast.
Statement B :
Before a biotic community of diverse organisms can become established, there must be soil.

1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both statements are correct.
4 Both Statements are incorrect.
BIOXII14: ECOSYSTEM

344549 Statement A :
Community that is in near equilibrium with the environment is called a climax community.
Statement B :
The gradual and fairly predictable change in the species composition of a given area is called ecological succession.

1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both statements are correct.
4 Both Statements are incorrect.
BIOXII14: ECOSYSTEM

344550 Arrange various stages of primary succession in a newly formed fresh water pond are given
(1) Scrub stage
(2) Sub merged free floating plant stage
(3) Marsh meadow stage
(4) Reed swamp stage
(5) Phytoplanktons
(6) Submerged plant stage
(7) Forest

1 5, 6, 2, 3, 4, 1, 7
2 5, 2, 6, 4, 3, 1, 7
3 5, 6, 2, 4, 3, 1, 7
4 1, 2, 3, 4, 2, 1, 7
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BIOXII14: ECOSYSTEM

344547 During the process of ecological succession the changes that take place in communities are:

1 Orderly and sequential
2 Random
3 Very quick
4 Not influenced by the physical environment.
NCERT Exemplar
BIOXII14: ECOSYSTEM

344548 Statement A :
The establishment of a new biotic community is generally fast.
Statement B :
Before a biotic community of diverse organisms can become established, there must be soil.

1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both statements are correct.
4 Both Statements are incorrect.
BIOXII14: ECOSYSTEM

344549 Statement A :
Community that is in near equilibrium with the environment is called a climax community.
Statement B :
The gradual and fairly predictable change in the species composition of a given area is called ecological succession.

1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both statements are correct.
4 Both Statements are incorrect.
BIOXII14: ECOSYSTEM

344550 Arrange various stages of primary succession in a newly formed fresh water pond are given
(1) Scrub stage
(2) Sub merged free floating plant stage
(3) Marsh meadow stage
(4) Reed swamp stage
(5) Phytoplanktons
(6) Submerged plant stage
(7) Forest

1 5, 6, 2, 3, 4, 1, 7
2 5, 2, 6, 4, 3, 1, 7
3 5, 6, 2, 4, 3, 1, 7
4 1, 2, 3, 4, 2, 1, 7